Display apparatus

A display apparatus includes: a display panel including: a transmissive area configured to transmit light incident thereon, and an emissive area configured to emit light, a light-controlling device on a rear surface of the display panel, the light-controlling device being configured to have a light transmission mode for transmitting the incident light and a light-blocking mode for blocking the incident light, the light-controlling device including: a first substrate and a second substrate facing each other, a transmission controller between the first substrate and the second substrate, the transmission controller overlapping the transmissive area, and a vibration generator between the first substrate and the second substrate, the vibration generator overlapping the emissive area.

Stretchable display device

A stretchable display device comprises a plurality of island substrates 111 and a lower substrate 110A disposed under the island substrates. The island substrates are preferably rigid, and the lower substrate is preferably flexible. A plurality of pixels PX are defined on the island substrates, which are spaced apart from each other. A base polymer 171a is disposed between adjacent island substrates, with conductive particles 171b distributed in the base polymer forming connection lines electrically connecting pads disposed on the adjacent island substrates. The conductive particles may be distributed to have a density gradient in the base polymer, the density preferably decreasing downward from an upper portion of the base polymer. The conductive particles avoid damage such as cracking to the conductive path connecting island substrates which may be caused by deformation of the lower substrate. A conductive reinforcing member (980, Figures 9-10) for use with metal connecting lines is also ...

Stretchable display device

MEMORY DEVICE AND METHOD FOR TRAINING PER-PIN OPERATION PARAMETERS

Provided are a memory device and a method for training per-pin operation parameters. A memory device includes a plurality of on-die termination (ODT) circuits, an impedance control (ZQ) calibration circuit configured to output a first code signal and a second code signal, and a per-pin calibration circuit. The per-pin calibration circuit may be configured to select one signal pin from among the plurality of signal pins, to compare a first input voltage level of the selected signal pin with a second input voltage level of each of the other ones of the plurality of signal pins, to generate a per-pin ODT code signal for each of the plurality of signal pins, to combine the per-pin ODT code signal with the first code signal or the second code signal, and to provide the combined per-pin ODT code signal to the respective ODT circuits.

Stretchable display device

CLOCK MULTIPLEXING CIRCUIT

Disclosed is a clock multiplexing circuit which includes a first transistor that is between a first input terminal that receives a first input clock signal and an output terminal that outputs an output pulse signal and operates based on a logic level of a second input terminal receiving a second input clock signal, and a second transistor that is between the output terminal and a first voltage node and operates based on the logic level of the second input terminal. The first input clock signal and the second input clock signal have the same period and have different phases. The output pulse signal transitions to a first logic level at a first time when the first input clock signal transitions to the first logic level and transitions to a second logic level at a second time when the second input clock signal transitions to the first logic level.

Stretchable display device

A stretchable display device comprises a plurality of rigid substrates 111 and a lower flexible substrate 110A. A plurality of pixels is defined on the rigid substrates, which are disposed on the lower flexible substrate and are spaced apart from each other. Connecting lines 970 electrically connect pads disposed between adjacent rigid substrates and are made of the same material as conductive components disposed on the rigid substrates. Conductive flexible layers 980 are disposed on a surface of the connecting lines. The conductive flexible layers minimise damage such as cracking of the connecting lines as a result of deforming the stretchable display device, and maintain electrical signal transmission if the connecting lines are disconnected. The conductive flexible layers may include liquid metal, or conductive particles distributed in a base polymer. The connecting lines may comprise first and second sub-connecting lines, between which the conductive flexible layers are disposed.

STRETCHABLE DISPLAY DEVICE

The present disclosure discloses a stretchable display device, including a lower substrate as a first substrate, the lower substrate having an active area and a non-active area surrounding the active area; a plurality of second substrates positioned on the lower substrate and horizontally separated from each other; a transistor disposed on the second substrate; a plurality of light emitting elements disposed above the transistor and above the plurality of second substrates; a plurality of connecting substrate positioned between the plurality of second substrates to interconnect two adjacent second substrates. With this structure of the display, especially to the structure of the connecting substrate and the connection line, the stress applied to the stretchable display the connecting lines may be attenuated.

Light controlling apparatus and method of fabricating the same

Provided are a light controlling apparatus and a method of fabricating the same. The light controlling apparatus includes: a first electrode unit and a second electrode unit facing each other; a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including a liquid crystal; a wall having a first polymer being polymerized from a first monomer the first monomer having a higher diffusion speed than a second monomer; and a network having a second polymer being polymerized from the second monomer, the second monomer having a lower diffusion speed than the first monomer.

Stretchable display device

The present disclosure discloses a stretchable display device, including a lower substrate as a first substrate, the lower substrate having an active area and a non-active area surrounding the active area; a plurality of second substrates positioned on the lower substrate and horizontally separated from each other; a transistor disposed on the second substrate; a plurality of light emitting elements disposed above the transistor and above the plurality of second substrates; a plurality of connecting substrate positioned between the plurality of second substrates to interconnect two adjacent second substrates. With this structure of the display, especially to the structure of the connecting substrate and the connection line, the stress applied to the stretchable display the connecting lines may be attenuated.

Transparent display device and method for fabricating the same

A transparent display device that may improve light transmittance in a transmissive mode, and a method for fabricating the same are discussed. The transparent display device according to an embodiment includes a first substrate, a second substrate facing a first surface of the first substrate, and a third substrate facing a second surface of the first substrate; a display unit arranged between the first and third substrates, and including a transmissive area and an emission area; and a light controller arranged between the first and second substrates, and transmitting or shielding incident light. The light controller includes a control thin film transistor provided on the first surface of the first substrate; a first electrode provided on the control thin film transistor; a second electrode provided on one surface of the second substrate facing the first substrate; and liquid crystal cells arranged between the first electrode and the second electrode. The control thin film transistor is ...

Light blocking device, method of manufacturing the same, and transparent display device including the same

Disclosed are a light blocking device, a method of manufacturing the same, and a transparent display device including the same, which transmit or block light by using a polymer dispersed liquid crystal (PDLC) layer. The light blocking device includes a first substrate and a second substrate facing each other, a first electrode on the first substrate, a second electrode on the second substrate, and a PDLC layer between the first electrode and the second electrode. The PDLC layer includes a droplet including liquid crystals and dichroic dyes, and the liquid crystals and the dichroic dyes are twisted with each other and aligned.

Transparent display device

Disclosed is a transparent display device in which a light shield rate is not lowered by partition walls in a light shield mode, and moreover, a light transmittance is not lowered in a transmissive mode. The transparent display device includes a transparent display panel including a plurality of transmissive areas transmitting incident light and a plurality of emissive areas emitting light, and a light control device disposed on a rear surface of the transparent display panel. The light control device is configured to be driven in a transmissive mode where the incident light is transmitted and a light shield mode where the incident light is blocked.

STRETCHABLE DISPLAY DEVICE

A stretchable display devices includes a flexible substrate. A plurality of first substrates and a plurality of second substrates are disposed on the substrate. The plurality of first substrates are spaced from each other and the plurality of second substrates, and the plurality of second substrates are spaced from each other. A plurality of connection supports are coupled to the plurality of first and second substrates. Connection lines extend on the plurality of connection supports to form an electrical connection between the plurality of first substrates and the plurality of second substrates. A distance between one of the plurality of second substrates and a corresponding outer one of the plurality of first substrates is greater than a distance between the plurality of first substrates to reduce stress on the plurality of second substrates during bending or stretching of the display device. 1. A stretchable display device , comprising:a support substrate including an active area and a non-active area;a plurality of first substrates on the support substrate in the active area;a plurality of second substrates on the support substrate in the non-active area; anda plurality of connection supports coupled to each of the plurality of first substrates and each of the plurality of second substrates.2. The stretchable display device of wherein a distance between an outer one of the plurality of first substrates and a corresponding one of the plurality of second substrates is greater than a distance between the outer one of the plurality of first substrates and an inner one of the plurality of first substrates.3. The stretchable display device of further comprising:a plurality of third substrates disposed in the non-active area, each of the plurality of third substrates connected to one of the plurality of second substrates and one of the plurality of first substrates by at least one of the plurality of connection supports.4. The stretchable display device of wherein a ...

Stretchable display device

A stretchable display device comprises a lower substrate; a plurality of island substrates spaced apart from each other and disposed on the lower substrate; a plurality of pixels defined on the plurality of island substrates; a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; and a plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates.

Light controlling apparatus and transparent display device comprising the same

A light controlling apparatus and a transparent display device comprising the same are discussed, in which picture quality can be prevented from being deteriorated by a voltage drop. The light controlling apparatus can include a first base film including a first lower pad arranged at a first side edge on one surface and a second lower pad arranged at a second side edge on the one surface; a second base film including a first upper pad arranged at a third side edge on one surface facing one surface of the first base film and a second upper pad arranged at a fourth side edge on the one surface; and a flexible circuit board including driving voltage lines electrically connected with the first and second lower pads and common voltage lines electrically connected with the first and second upper pads.

Stretchable display device

A stretchable display device according to embodiments of the present disclosure includes a plurality of first substrates in which a plurality of pixels are defined, the plurality of first substrates being spaced apart from each other; a plurality of second substrates disposed between first substrates adjacent to each other among the plurality of first substrates to connect the adjacent first substrates; a lower substrate on which a plurality of first areas, a plurality of second areas, and a plurality of third areas excluding the plurality of first areas and the plurality of second areas are defined, the plurality of first substrates being disposed in the plurality of first areas, and the plurality of second substrates being disposed in the plurality of second areas; and a plurality of align keys disposed in a portion of the plurality of third areas and formed of an elastic material.

DISPLAY OPERABLE IN BOTH REFLECTIVE AND TRANSMISSIVE MODES

A display apparatus includes a first display panel with a plurality of first pixels, a second display panel facing the first display panel and having a plurality of second pixels, a light reflective polarizer, and a backlight unit. The light reflective polarizer is interposed between the first and second display panels to transmit light polarized in a first direction, and reflect light polarized in a second direction substantially perpendicular to the first direction. The backlight unit is arranged proximate to the second display panel to supply light to the first and second display panels. The first display panel displays an image by using reflected ambient light, and the second display panel displays an image by using light from the backlight unit.

MEMORY DEVICE PERFORMING OFFSET CALIBRATION AND OPERATING METHOD THEREOF

Disclosed are a memory device that performs offset calibration and a method of operating the memory device. The memory device includes an input/output pad configured to receive data from a device external, an on-die termination (ODT) circuit connected to the input/output pad, a plurality of receivers connected to the ODT circuit and configured to receive the data from the input/output pad, an offset calibration circuit configured to perform an offset calibration operation on data output from the plurality of receivers and output an offset correction, a first switch configured to provide a first voltage to the plurality of receivers, and a second switch configured to provide a second voltage to the plurality of receivers. During the offset calibration operation, the plurality of receivers receive a third voltage in response to the ODT circuit being enabled and the first voltage through the first switch.

SEMICONDUCTOR DEVICE

A semiconductor device includes: a clock generation circuit configured to output a plurality of clock signals that have different phases to a memory device, an internal clock signal of the memory device being generated responsive to the plurality of clock signals; and a training circuit configured to receive an output signal output based on the internal clock signal from the memory device, to adjust a value of a code used to generate the internal clock signal by adjusting the phase of at least one clock signal among the plurality of clock signals, to determine a final value of the code based on a duty cycle of the output signal, which is changed according to the adjustment of the value of the code, and to write the final value to the memory device.

Stretchable display device

A stretchable display devices includes a flexible substrate. A plurality of first substrates and a plurality of second substrates are disposed on the substrate. The plurality of first substrates are spaced from each other and the plurality of second substrates, and the plurality of second substrates are spaced from each other. A plurality of connection supports are coupled to the plurality of first and second substrates. Connection lines extend on the plurality of connection supports to form an electrical connection between the plurality of first substrates and the plurality of second substrates. A distance between one of the plurality of second substrates and a corresponding outer one of the plurality of first substrates is greater than a distance between the plurality of first substrates to reduce stress on the plurality of second substrates during bending or stretching of the display device.

Light controlling apparatus and method of fabricating the same

Provided are a light controlling apparatus and a method of fabricating the same. The light controlling apparatus comprises: a first electrode unit and a second electrode unit facing each other; a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including: a liquid crystal; a network having a first polymer polymerized from a first monomer having a similar shape as the liquid crystal and a second polymer polymerized from a second monomer having a shape different from the first monomer; and a wall having the first polymer and the second polymer.

STRETCHABLE DISPLAY DEVICE

A stretchable display devices includes a flexible substrate. A plurality of first substrates and a plurality of second substrates are disposed on the substrate. The plurality of first substrates are spaced from each other and the plurality of second substrates, and the plurality of second substrates are spaced from each other. A plurality of connection supports are coupled to the plurality of first and second substrates. Connection lines extend on the plurality of connection supports to form an electrical connection between the plurality of first substrates and the plurality of second substrates. A distance between one of the plurality of second substrates and a corresponding outer one of the plurality of first substrates is greater than a distance between the plurality of first substrates to reduce stress on the plurality of second substrates during bending or stretching of the display device.

Stretchable display device

A stretchable display device includes a structure that can minimize damage to a polarizing layer when the stretchable display device is stretched and reduce visibility of external light being reflected to a user by using a polarizing plate having a stretchable characteristic, and the thickness of the stretchable display can be reduced because components disposed under the upper substrate and the polarizing layer are configured to include the same material as the polarizing layer that can be easily stretched in a plurality of directions by alternately disposing stretchable polarizing layers in different directions.

Light control device, transparent display device including the same, and method of manufacturing the same

Discussed are a light control device, a transparent display device including the same, and a method of manufacturing the same, which lower a light transmittance in a light shield mode. The light control device may include a first substrate and a second substrate facing each other, a first electrode disposed on one surface of the first substrate facing the second substrate, a second electrode disposed on one surface of the second substrate facing the first substrate, a plurality of partition walls disposed on one surface of the first electrode facing the second substrate to maintain a gap between the first substrate and the second substrate, a first alignment layer disposed on the one surface of the first electrode and the plurality of partition walls, and a second alignment layer disposed on one surface of the second electrode facing the first substrate.

Stretchable display device

The present disclosure discloses a stretchable display device, including a lower substrate as a first substrate, the lower substrate having an active area and a non-active area surrounding the active area; a plurality of second substrates positioned on the lower substrate and horizontally separated from each other; a transistor disposed on the second substrate; a plurality of light emitting elements disposed above the transistor and above the plurality of second substrates; a plurality of connecting substrate positioned between the plurality of second substrates to interconnect two adjacent second substrates. With this structure of the display, especially to the structure of the connecting substrate and the connection line, the stress applied to the stretchable display the connecting lines may be attenuated.

Stretchable display device

A stretchable display device comprises a lower substrate; a plurality of island substrates spaced apart from each other and disposed on the lower substrate; a plurality of pixels defined on the plurality of island substrates; a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; and a plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates.

SEMICONDUCTOR CHIP CAPABLE OF CALIBRATING BIAS VOLTAGE SUPPLIED TO WRITE CLOCK BUFFER REGARDLESS OF PROCESS VARIATION AND TEMPERATURE VARIATION, AND DEVICES INCLUDING THE SAME

A semiconductor chip includes a write clock buffer, a voltage regulator, a process calibration circuit and a temperature calibration circuit. The voltage regulator generates plural regulated voltages. The process calibration circuit output one of the regulated voltages as a bias voltage of the write clock buffer, depending on a process variation of the semiconductor chip. The temperature calibration circuit track a temperature variation of the semiconductor chip in real time, performs analog calibration on the bias voltage from the process calibration circuit in real time depending on a result of the tracking, and outputs the analog-calibrated bias voltage to the write clock buffer.

Stretchable display device

A stretchable display device comprises a lower substrate; a plurality of island substrates spaced apart from each other and disposed on the lower substrate; a plurality of pixels defined on the plurality of island substrates; a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; and a plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates.

SEMICONDUCTOR DEVICE

A semiconductor device includes: a data clock signal generator circuit configured to output a plurality of data clock signals that have different phases and that are used to generate a plurality of internal data clock signals of a memory device; a data transmitter configured to generate a data signal based on a test pattern transitioned once, delay the data signal once transitioned according to a delay value, and output the data signal to the memory device; a data receiver configured to receive an output signal from the memory device that includes first sampling data, the first sampling data being obtained by sampling the data signal based on a first internal data clock signal from the plurality of internal data clock signals; and a training circuit configured to change the delay value and determine a final value of the delay value based on the first sampling data.

Display operable in both reflective and transmissive modes

A display apparatus includes a first display panel with a plurality of first pixels, a second display panel facing the first display panel and having a plurality of second pixels, a light reflective polarizer, and a backlight unit. The light reflective polarizer is interposed between the first and second display panels to transmit light polarized in a first direction, and reflect light polarized in a second direction substantially perpendicular to the first direction. The backlight unit is arranged proximate to the second display panel to supply light to the first and second display panels. The first display panel displays an image by using reflected ambient light, and the second display panel displays an image by using light from the backlight unit.

Stretchable display device

A stretchable display device comprises a lower substrate; a plurality of island substrates where a plurality of pixels is defined, spaced apart from each other and disposed on the lower substrate and; a plurality of connecting lines electrically connected to a plurality of pads disposed on adjacent island substrates among the plurality of island substrates, wherein the plurality of connecting lines has a curved shape; and a plurality of conductive reinforcing members in contact with a portion of each connecting line.

Stretchable display device

A stretchable display device comprises a lower substrate, a plurality of island substrates disposed on the lower substrate and spaced apart from each other, a plurality of display elements disposed on the plurality of island substrates, a plurality of connecting lines disposed between each of the plurality of island substrates, an upper substrate disposed on the lower substrate, the plurality of display elements and the plurality of connecting lines, and a polarizing layer disposed on the upper substrate and including a phase delay layer on the upper substrate and a linear polarizing plate on the phase delay layer, wherein the phase delay layer includes a first base polymer, wherein the linear polarizing plate includes a second base polymer, and wherein the first and second base polymers include a same material as the upper substrate.

Stretchable display device

Provided is a display device. The display device includes a stretchable display device. The stretchable display device includes a lower substrate including a display area and a non-display area. The stretchable display device further includes a plurality of lower connection lines on the lower substrate. The stretchable display device further includes a plurality of first substrates disposed on the display area, the plurality of first substrates defines sub pixels, and a modulus of the plurality of first substrates is larger than a modulus of the lower substrate. The stretchable display device further includes a plurality of connection substrates connecting adjacent first substrates among the plurality of first substrates. The stretchable display device further includes a plurality of upper connection lines disposed on the plurality of connection substrates. Therefore, various connection lines are configured in a limited space to improve an image quality of a stretchable display device.

STRETCHABLE DISPLAY DEVICE

A stretchable display device comprises a lower substrate; a plurality of island substrates spaced apart from each other and disposed on the lower substrate; a plurality of pixels defined on the plurality of island substrates; a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; and a plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates. 1. A stretchable display device comprising:a lower substrate;a plurality of island substrates spaced apart from each other and disposed on the lower substrate;a plurality of pixels defined on the plurality of island substrates;a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; anda plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates.2. The stretchable display device of claim 1 , wherein the plurality of island substrates has a modulus higher than a modulus of the lower substrate.3. The stretchable display device of claim 1 , wherein the plurality of conductive particles is distributed to have a density gradient in the plurality of base polymers.4. The stretchable display device of claim 3 , wherein plurality of conductive particles has a decreasing density downward from an upper portion of the plurality of base polymers.5. The stretchable display device of claim 1 , wherein the plurality of base polymers is disposed as a single layer between the adjacent island substrates.6. The stretchable display device of claim 1 , wherein the plurality of base polymers is disposed as a single layer except for an area where the plurality of island substrates is disposed on the first substrate.7. The stretchable display device of claim 1 , wherein the plurality of base polymers includes a plurality of sub-base polymers claim ...

STRETCHABLE DISPLAY DEVICE

Provided is a display device. The display device includes a stretchable display device. The stretchable display device includes a lower substrate including a display area and a non-display area. The stretchable display device further includes a plurality of lower connection lines on the lower substrate. The stretchable display device further includes a plurality of first substrates disposed on the display area, the plurality of first substrates defines sub pixels, and a modulus of the plurality of first substrates is larger than a modulus of the lower substrate. The stretchable display device further includes a plurality of connection substrates connecting adjacent first substrates among the plurality of first substrates. The stretchable display device further includes a plurality of upper connection lines disposed on the plurality of connection substrates. Therefore, various connection lines are configured in a limited space to improve an image quality of a stretchable display device. 1. A stretchable display device , comprising:a lower substrate including a display area and a non-display area;a plurality of lower connection lines on the lower substrate;a plurality of first substrates on the display area, wherein the plurality of first substrates including sub pixels, and a modulus of the plurality of first substrates is larger than a modulus of the lower substrate;a plurality of connection substrates connecting adjacent first substrates among the plurality of first substrates; anda plurality of upper connection lines on the plurality of connection substrates.2. The stretchable display device according to claim 1 , wherein the plurality of lower connection lines and the plurality of upper connection lines electrically connect adjacent first substrates among the plurality of first substrates.3. The stretchable display device according to claim 1 , wherein the plurality of connection substrates is on the plurality of lower connection lines.4. The stretchable display ...

STRETCHABLE DISPLAY DEVICE

A stretchable display device according to embodiments of the present disclosure includes a plurality of first substrates in which a plurality of pixels are defined, the plurality of first substrates being spaced apart from each other; a plurality of second substrates disposed between first substrates adjacent to each other among the plurality of first substrates to connect the adjacent first substrates; a lower substrate on which a plurality of first areas, a plurality of second areas, and a plurality of third areas excluding the plurality of first areas and the plurality of second areas are defined, the plurality of first substrates being disposed in the plurality of first areas, and the plurality of second substrates being disposed in the plurality of second areas; and a plurality of align keys disposed in a portion of the plurality of third areas and formed of an elastic material. 1. A stretchable display device , comprising:a plurality of first substrates in which a plurality of pixels are formed thereon respectively, the plurality of first substrates being spaced apart from each other;a plurality of second substrates disposed between first substrates adjacent to each other among the plurality of first substrates to connect the adjacent first substrates;a lower substrate having a plurality of first areas, a plurality of second areas, and a plurality of third areas excluding the plurality of first areas and the plurality of second areas, the plurality of first substrates being disposed in the plurality of first areas respectively, and the plurality of second substrates being disposed in the plurality of second areas respectively; anda plurality of align keys disposed in a portion of the plurality of third areas respectively and formed of an elastic material.2. The stretchable display device of claim 1 , wherein the plurality of align keys are disposed to be in contact with the lower substrate.3. The stretchable display device of claim 2 , wherein a modulus of the ...

STRETCHABLE DISPLAY DEVICE

A stretchable display device comprises a lower substrate; a plurality of island substrates where a plurality of pixels is defined, spaced apart from each other and disposed on the lower substrate and; a plurality of connecting lines electrically connected to a plurality of pads disposed on adjacent island substrates among the plurality of island substrates, wherein the plurality of connecting lines has a curved shape; and a plurality of conductive reinforcing members in contact with a portion of each connecting line. 1. A stretchable display device , comprising:a lower substrate;a plurality of island substrates where a plurality of pixels is defined, spaced apart from each other and disposed on the lower substrate and;a plurality of connecting lines electrically connected to a plurality of pads disposed on adjacent island substrates among the plurality of island substrates, wherein the plurality of connecting lines has a curved shape; anda plurality of conductive reinforcing members in contact with a portion of each connecting line.2. The stretchable display device of claim 1 , further comprising a plurality of conductive components disposed on each island substrate claim 1 , wherein the plurality of connecting lines is made of a same material as at least one of the plurality of conductive components.3. The stretchable display device of claim 1 , wherein the plurality of conductive reinforcing members include a base polymer and a liquid metal or a conductive polymer that has conductive particles distributed in the base polymer.4. The stretchable display device of claim 1 , wherein the plurality of conductive reinforcing members is adjacent to a lateral side of the plurality of island substrates.5. The stretchable display device of claim 1 , wherein the plurality of conductive reinforcing members is disposed in a peak area of the plurality of connecting lines.6. The stretchable display device of claim 5 , wherein the plurality of conductive reinforcing members is ...

Stretchable display device

A stretchable display device comprises a lower substrate; a plurality of island substrates spaced apart from each other and disposed on the lower substrate; a plurality of pixels defined on the plurality of island substrates; a plurality of base polymers disposed between adjacent island substrates of the plurality of island substrates; and a plurality of conductive particles distributed in the base polymer and electrically connecting a plurality of pads disposed on the adjacent island substrates.

LIGHT CONTROLLING APPARATUS AND METHOD OF FABRICATING THE SAME

Provided are a light controlling apparatus and a method of fabricating the same. The light controlling apparatus includes: a first electrode unit and a second electrode unit facing each other; a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including a liquid crystal; a wall having a first polymer being polymerized from a first monomer the first monomer having a higher diffusion speed than a second monomer; and a network having a second polymer being polymerized from the second monomer, the second monomer having a lower diffusion speed than the first monomer. 1. A light controlling apparatus comprising:a first electrode unit and a second electrode unit facing each other; a liquid crystal;', 'a network having a second polymer being polymerized from the second monomer, the second monomer having a lower diffusion speed than the first monomer.', 'a wall having a first polymer being polymerized from a first monomer, the first monomer having a higher diffusion speed than a second monomer; and'}], 'a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including2. The light controlling apparatus according to claim 1 , further comprising a spacer on at least one among the first electrode unit and the second electrode unit.3. The light controlling apparatus according to claim 1 , wherein each of the first polymer and the second polymer is polymerized from at least one monomer among of UV-curable monomers claim 1 , polydimethylsiloxane claim 1 , RM (reactive mesogen)-based monomers claim 1 , NOA (Norland Optical Adhesive)-based monomers claim 1 , bisphenol A dimethacrylate-based monomers claim 1 , and photo resist.4. The light controlling apparatus according to claim 1 , wherein if the first monomer is cured under a first curing condition claim 1 , the second monomer is cured under a second curing condition different from the first curing condition.5. The light ...

TRANSPARENT DISPLAY DEVICE

Disclosed is a transparent display device in which a light shield rate is not lowered by partition walls in a light shield mode, and moreover, a light transmittance is not lowered in a transmissive mode. The transparent display device includes a transparent display panel including a plurality of transmissive areas transmitting incident light and a plurality of emissive areas emitting light, and a light control device disposed on a rear surface of the transparent display panel. The light control device is configured to be driven in a transmissive mode where the incident light is transmitted and a light shield mode where the incident light is blocked. 1. A transparent display device comprising:a transparent display panel including a plurality of transmissive areas transmitting incident light and a plurality of emissive areas emitting light; anda light control device disposed on a rear surface of the transparent display panel, the light control device configured to be driven in a transmissive mode where the incident light is transmitted and a light shield mode where the incident light is blocked,whereinthe light control device comprises:a first base film and a second base film facing each other;a plurality of liquid crystal cells provided between the first base film and the second base film; anda plurality of partition walls maintaining respective cell gaps of the plurality of liquid crystal cells, andthe plurality of partition walls are disposed at respective positions corresponding to the plurality of emissive areas.2. The transparent display device of claim 1 , wherein a width of each of the plurality of partition walls in a short-side direction is equal to or less than a width of each of the plurality of emissive areas in a short-side direction.3. The transparent display device of claim 1 , wherein the plurality of partition walls are successively arranged in parallel with the plurality of emissive areas.4. The transparent display device of claim 1 , wherein the ...

Light control device, transparent display device including the same, and method of manufacturing the same

Discussed are a light control device, a transparent display device including the same, and a method of manufacturing the same, which lower a light transmittance in a light shield mode. The light control device may include a first substrate and a second substrate facing each other, a first electrode disposed on one surface of the first substrate facing the second substrate, a second electrode disposed on one surface of the second substrate facing the first substrate, a plurality of partition walls disposed on one surface of the first electrode facing the second substrate to maintain a gap between the first substrate and the second substrate, a first alignment layer disposed on the one surface of the first electrode and the plurality of partition walls, and a second alignment layer disposed on one surface of the second electrode facing the first substrate.

STRETCHABLE DISPLAY DEVICE

A stretchable display device comprises a plurality of island substrates in which a plurality of pixels is defined and spaced apart from each other; a lower substrate disposed under the plurality of island substrates; a connecting line electrically connecting pads disposed at adjacent island substrates of the plurality of island substrates; and a polarizing layer disposed on the lower substrate and the plurality of island substrates, wherein the polarizing layer includes a phase delay layer having a reactive mesogen dispersed in a first base polymer, and a linear polarizing plate disposed on the phase delay layer and having a dye dispersed in a second base polymer. 1. A stretchable display device comprising:a plurality of island substrates in which a plurality of pixels is defined and spaced apart from each other;a lower substrate disposed under the plurality of island substrates;a connecting line electrically connecting pads disposed at adjacent island substrates of the plurality of island substrates; anda polarizing layer disposed on the lower substrate and the plurality of island substrates,wherein the polarizing layer includes a phase delay layer having a reactive mesogen dispersed in a first base polymer, and a linear polarizing plate disposed on the phase delay layer and having a dye dispersed in a second base polymer.2. The stretchable display device of claim 1 , wherein the dye is aligned in a first direction in the second base polymer claim 1 , and the reactive mesogen is aligned in a −45 degrees or +45 degrees direction with respect to the first direction in the first base polymer.3. The stretchable display device of claim 2 , wherein the stretchable display device is stretchable in the first direction.4. The stretchable display device of claim 2 , wherein the connecting line includes a base polymer and conductive particles dispersed in the base polymer.5. The stretchable display device of claim 4 , further comprising:an upper adhesive layer disposed on a ...

LIGHT CONTROLLING APPARATUS AND METHOD OF FABRICATING THE SAME

Provided are a light controlling apparatus and a method of fabricating the same. The light controlling apparatus comprises: a first electrode unit and a second electrode unit facing each other; a liquid crystal unit between the first electrode unit and the second electrode unit, the liquid crystal unit including: a liquid crystal; a network having a first polymer polymerized from a first monomer having a similar shape as the liquid crystal and a second polymer polymerized from a second monomer having a shape different from the first monomer; and a wall having the first polymer and the second polymer. 1. A light controlling apparatus comprising:a first electrode unit and a second electrode unit facing each other; a liquid crystal;', 'a network having a first polymer polymerized from a first monomer having a similar shape as the liquid crystal and a second polymer polymerized from a second monomer having a shape different from the first monomer; and', 'a wall having the first polymer and the second polymer., 'a liquid crystal unit between the first electrode unit and the second electrode unit and the liquid crystal unit including2. The light controlling apparatus according to claim 1 , further comprising a spacer on at least one among the first electrode unit and the second electrode unit.3. The light controlling apparatus according to claim 1 , wherein the first monomer and the second monomer are UV-hardened monomers.4. The light controlling apparatus according to claim 3 , wherein UV wavelengths of the UV-hardened monomers include same wavelength range.5. The light controlling apparatus according to claim 1 , wherein the first monomer includes a RM (reactive mesogen)-based monomer.6. The light controlling apparatus according to claim 1 , wherein the second monomer includes a Bisphenol A Dimethacrylate-based monomer.7. The light controlling apparatus according to claim 1 , wherein the first monomer assists in vertical alignment of the liquid crystal and the second ...

LIGHT BLOCKING DEVICE, METHOD OF MANUFACTURING THE SAME, AND TRANSPARENT DISPLAY DEVICE INCLUDING THE SAME

Disclosed are a light blocking device, a method of manufacturing the same, and a transparent display device including the same, which transmit or block light by using a polymer dispersed liquid crystal (PDLC) layer. The light blocking device includes a first substrate and a second substrate facing each other, a first electrode on the first substrate, a second electrode on the second substrate, and a PDLC layer between the first electrode and the second electrode. The PDLC layer includes a droplet including liquid crystals and dichroic dyes, and the liquid crystals and the dichroic dyes are twisted with each other and aligned. 1. A light blocking device comprising:a first substrate and a second substrate facing each other;a first electrode on the first substrate;a second electrode on the second substrate; anda polymer dispersed liquid crystal (PDLC) layer between the first electrode and the second electrode,wherein the PDLC layer comprises a droplet including liquid crystals and dichroic dyes, and the liquid crystals and the dichroic dyes are configured to be aligned and twisted with each other.2. The light blocking device of claim 1 , wherein the liquid crystals and the dichroic dyes are twisted at a reference angle in the droplet.3. The light blocking device of claim 2 , wherein the reference angle is between 360 degrees and 3 claim 2 ,600 degrees.4. The light blocking device of claim 1 , wherein the PDLC layer is driven in a light blocking mode of blocking incident light when a voltage is not applied to the first electrode and the second electrode claim 1 , or a voltage difference between a voltage applied to the first electrode and a voltage applied to the second electrode is less than a first threshold value.5. The light blocking device of claim 1 , wherein the PDLC layer is driven in a light transmitting mode of transmitting incident light when a voltage difference between a voltage applied to the first electrode and a voltage applied to the second electrode is ...

TRANSPARENT DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME

A transparent display device that may improve light transmittance in a transmissive mode, and a method for fabricating the same are discussed. The transparent display device according to an embodiment includes a first substrate, a second substrate facing a first surface of the first substrate, and a third substrate facing a second surface of the first substrate; a display unit arranged between the first and third substrates, and including a transmissive area and an emission area; and a light controller arranged between the first and second substrates, and transmitting or shielding incident light. The light controller includes a control thin film transistor provided on the first surface of the first substrate; a first electrode provided on the control thin film transistor; a second electrode provided on one surface of the second substrate facing the first substrate; and liquid crystal cells arranged between the first electrode and the second electrode. The control thin film transistor is arranged to correspond to the emission area. 1. A transparent display device comprising:a first substrate, a second substrate facing a first surface of the first substrate, and a third substrate facing a second surface of the first substrate;a display unit arranged between the first and third substrates, and including a transmissive area and an emission area; anda light controller arranged between the first and second substrates, and transmitting or shielding incident light, a control thin film transistor provided on the first surface of the first substrate;', 'a first electrode provided on the control thin film transistor;', 'a second electrode provided on one surface of the second substrate facing the first substrate; and', 'liquid crystal cells arranged between the first electrode and the second electrode, and, 'wherein the light controller includeswherein the control thin film transistor is arranged to correspond to the emission area.2. The transparent display device of claim 1 , ...

STRETCHABLE DISPLAY DEVICE

The present disclosure provides a stretchable display device. The stretchable display device including a plurality of first substrates which is disposed on a lower substrate to be spaced apart from each other and includes at least one pixel. The display device includes a plurality of connection substrates which connects adjacent first substrates among the plurality of first substrates. The display device includes a plurality of connection lines which electrically connects pads disposed on the plurality of adjacent first substrates and is disposed on side surfaces of the plurality of connection substrates. Therefore, a resistance of the connection line may be reduced or minimized. 1. A stretchable display device , comprising:a lower substrate;a plurality of first substrates disposed on the lower substrate, the plurality of first substrates including at least one pixel and each of the plurality of first substrates being spaced apart from each other;a plurality of connection substrates connecting adjacent first substrates among the plurality of first substrates; anda plurality of connection lines electrically connecting pads disposed on the plurality of adjacent first substrates, the plurality of connection lines being disposed on side surfaces of the plurality of connection substrates.2. The stretchable display device according to claim 1 , wherein each of the plurality of connection lines is disposed on both side surfaces of each of the plurality of connection substrates to be connected in parallel.3. The stretchable display device according to claim 1 , wherein the plurality of connection substrates and the plurality of connection lines have a wavy shape and include a straight area in which the plurality of connection substrates and the plurality of connection lines extend in a straight line or a substantially straight line and a curved area in which the plurality of connection substrates and the plurality of connection lines are curved.4. The stretchable display ...

STRETCHABLE DISPLAY DEVICE

A stretchable display device comprises a lower substrate, a plurality of island substrates disposed on the lower substrate and spaced apart from each other, a plurality of display elements disposed on the plurality of island substrates, a plurality of connecting lines disposed between each of the plurality of island substrates, an upper substrate disposed on the lower substrate, the plurality of display elements and the plurality of connecting lines, and a polarizing layer disposed on the upper substrate and including a phase delay layer on the upper substrate and a linear polarizing plate on the phase delay layer, wherein the phase delay layer includes a first base polymer, wherein the linear polarizing plate includes a second base polymer, and wherein the first and second base polymers include a same material as the upper substrate. 1. A stretchable display device comprising:a lower substrate;a plurality of island substrates disposed on the lower substrate and spaced apart from each other;a plurality of display elements disposed on the plurality of island substrates;a plurality of connecting lines disposed between each of the plurality of island substrates;an upper substrate disposed on the lower substrate, the plurality of display elements and the plurality of connecting lines; anda polarizing layer disposed on the upper substrate and including a phase delay layer on the upper substrate and a linear polarizing plate on the phase delay layer,wherein the phase delay layer includes a first base polymer,wherein the linear polarizing plate includes a second base polymer, andwherein the first and second base polymers include a same material as the upper substrate.2. The stretchable display device of claim 1 , wherein the phase delay layer includes a reactive mesogen dispersed in the first base polymer claim 1 , and the linear polarizing plate includes a dye dispersed in the second base polymer claim 1 , and the reactive mesogen is aligned in −45 degrees or +45 degree ...

Stretchable display device

The present disclosure discloses a stretchable display device, including a lower substrate as a first substrate, the lower substrate having an active area and a non-active area surrounding the active area; a plurality of second substrates positioned on the lower substrate and horizontally separated from each other; a transistor disposed on the second substrate; a plurality of light emitting elements disposed above the transistor and above the plurality of second substrates; a plurality of connecting substrate positioned between the plurality of second substrates to interconnect two adjacent second substrates. With this structure of the display, especially to the structure of the connecting substrate and the connection line, the stress applied to the stretchable display the connecting lines may be attenuated.

Display apparatus

A display apparatus includes: a display panel including: a transmissive area configured to transmit light incident thereon, and an emissive area configured to emit light, a light-controlling device on a rear surface of the display panel, the light-controlling device being configured to have a light transmission mode for transmitting the incident light and a light-blocking mode for blocking the incident light, the light-controlling device including: a first substrate and a second substrate facing each other, a transmission controller between the first substrate and the second substrate, the transmission controller overlapping the transmissive area, and a vibration generator between the first substrate and the second substrate, the vibration generator overlapping the emissive area.

LIGHT CONTROLLING APPARATUS AND TRANSPARENT DISPLAY DEVICE COMPRISING THE SAME

A light controlling apparatus and a transparent display device comprising the same are discussed, in which picture quality can be prevented from being deteriorated by a voltage drop. The light controlling apparatus can include a first base film including a first lower pad arranged at a first side edge on one surface and a second lower pad arranged at a second side edge on the one surface; a second base film including a first upper pad arranged at a third side edge on one surface facing one surface of the first base film and a second upper pad arranged at a fourth side edge on the one surface; and a flexible circuit board including driving voltage lines electrically connected with the first and second lower pads and common voltage lines electrically connected with the first and second upper pads. 1. A light controlling apparatus comprising:a first base film including a first lower pad arranged at a first side edge on one surface of the first base film and a second lower pad arranged at a second side edge on the one surface of the first base film;a second base film including a first upper pad arranged at a third side edge on one surface of the second base film and a second upper pad arranged at a fourth side edge on the lower surface of the second film, the one surface of the first base film facing the one surface of the second base film; anda flexible circuit board including driving voltage lines electrically connected with the first and second lower pads and common voltage lines electrically connected with the first and second upper pads.2. The light controlling apparatus of claim 1 , further comprising:a light controlling area in which liquid crystals are arranged between the first base film and the second base film; anda sealant area in which an adhesive material is arranged to surround the light controlling area,wherein the second lower pad and the second upper pad are arranged in the sealant area.3. The light controlling apparatus of claim 2 , wherein the first ...

Light controlling apparatus and method of fabricating the same

EXTENDABLE DISPLAY DEVICE

Die vorliegende Offenbarung betrifft eine dehnbare Anzeigevorrichtung (900, 1100, 1200, 1300). Die dehnbare Anzeigevorrichtung (900, 1100, 1200, 1300) weist auf: eine Mehrzahl von Inselsubstraten (111), auf der eine Mehrzahl von Pixeln (PX) vorgegeben ist, wobei die Inselsubstrate (111) voneinander beabstandet sind; ein unteres Substrat (110A), das unter der Mehrzahl von Inselsubstraten (111) angeordnet ist; Verbindungsleitungen (970, 1170, 1270, 1370), die Kontaktflächen (961, 1161), die auf benachbarten Inselsubstraten der Mehrzahl von Inselsubstraten (111) ausgebildet sind, elektrisch verbinden und eine gebogene Form haben; und leitfähige Verstärkungselemente (980, 1180, 1280, 1380), die so ausgebildet sind, dass sie mit manchen Bereichen der Verbindungsleitungen (970, 1170, 1270, 1370) in Kontakt sind. Auch wenn die dehnbare Anzeigevorrichtung (900, 1100, 1200, 1300) deformiert, wie etwa gebogen oder gedehnt wird, kann ein Schaden, wie etwa ein Reißen, der Verbindungsleitungen (970, 1170, 1270, 1370) minimiert werden. Ferner, auch wenn die Verbindungsleitungen (970, 1170, 1270, 1370) getrennt werden, kann mittels der leitfähigen Verstärkungselemente (980, 1180, 1280, 1380) eine elektrische Signalübertragung reibungslos durchgeführt werden. The present disclosure relates to a stretchable display device (900, 1100, 1200, 1300). The stretchable display device (900, 1100, 1200, 1300) has: a plurality of island substrates (111) on which a plurality of pixels (PX) are predetermined, the island substrates (111) being spaced apart from one another; a lower substrate (110A) disposed under the plurality of island substrates (111); Connecting lines (970, 1170, 1270, 1370) electrically connecting the contact surfaces (961, 1161) formed on adjacent island substrates of the plurality of island substrates (111) and having an arcuate shape; and conductive reinforcement members (980, 1180, 1280, 1380) configured to contact some areas of the connection lines (970, 1170, 1270, ...

Memory device adjusting skew of multi-phase clock signals, memory controller controlling the memory device, and operating method of the memory device

A memory device includes a multi-phase clock generator configured to generate first to N-th clock signals having N different phases based on a clock signal from the memory controller, and a monitoring clock signal generator configured to generate a monitoring clock signal having a logic state corresponding to a data pattern in synchronization with edges of the first to N-th clock signals, wherein the monitoring clock signal includes a first monitoring clock signal configured to detect a skew between the first and third clock signals in a first step of a training operation, a second monitoring clock signal configured to detect a skew between the second and fourth clock signals in a second step of the training operation, and a third monitoring clock signal configured to detect a skew between the first and second clock signals in a third step of the training operation.

Display device

According to an aspect of the present disclosure, the display device includes: a stretchable lower substrate and a plurality of first substrates disposed on the lower substrate. The display device also includes a plurality of second substrates coupling first substrates adjacent to each other among the plurality of first substrates. The display device further includes a plurality of pixels disposed on the plurality of first substrates. The display device also includes a plurality of connection lines disposed on the plurality of second substrates and coupling the plurality of pixels. The display device further includes a protection layer disposed on each of the plurality of pixels.

Memory device performing offset calibration and operating method thereof

Disclosed are a memory device that performs offset calibration and a method of operating the memory device. The memory device includes an input/output pad configured to receive data from an external device, an on-die termination (ODT) circuit connected to the input/output pad, a plurality of receivers connected to the ODT circuit and configured to receive the data from the input/output pad, an offset calibration circuit configured to perform an offset calibration operation on data output from the plurality of receivers and output an offset correction, a first switch configured to provide a first voltage to the plurality of receivers, and a second switch configured to provide a second voltage to the plurality of receivers. During the offset calibration operation, the plurality of receivers receive a third voltage in response to the ODT circuit being enabled and the first voltage through the first switch.

Display device

According to an aspect of the present disclosure, the display device includes: a lower substrate and a plurality of pixel substrates disposed on the lower substrate. The display device also includes a plurality of transistors disposed on the plurality of pixel substrates and a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors. The display device further includes a plurality of individual connection pads and a common connection pad disposed on the planarization layer. The display device also includes a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad. At least one of the plurality of individual connection pads and the common connection pad may have a multilayer structure.

Display device

According to an aspect of the present disclosure, the display device includes: a lower substrate and a plurality of pixel substrates disposed on the lower substrate. The display device also includes a plurality of transistors disposed on the plurality of pixel substrates and a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors. The display device further includes a plurality of individual connection pads and a common connection pad disposed on the planarization layer. The display device also includes a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad. At least one of the plurality of individual connection pads and the common connection pad may have a multilayer structure.

Display device

According to an aspect of the present disclosure, the display device includes a lower substrate and a plurality of pixel substrates disposed on the lower substrate. The display device also includes a plurality of transistors disposed on the plurality of pixel substrates and a planarization layer disposed on the plurality of pixel substrates to cover upper portions of the plurality of transistors. The display device further includes a plurality of individual connection pads and a common connection pad disposed on the planarization layer. The display device also includes a plurality of light emitting diodes disposed on the plurality of individual connection pads and the common connection pad. At least one of the plurality of individual connection pads and the common connection pad may have a multilayer structure.

Memory device performing offset calibration and operating method thereof

Disclosed are a memory device that performs offset calibration and a method of operating the memory device. The memory device includes an input/output pad configured to receive data from a device external, an on-die termination (ODT) circuit connected to the input/output pad, a plurality of receivers connected to the ODT circuit and configured to receive the data from the input/output pad, an offset calibration circuit configured to perform an offset calibration operation on data output from the plurality of receivers and output an offset correction, a first switch configured to provide a first voltage to the plurality of receivers, and a second switch configured to provide a second voltage to the plurality of receivers. During the offset calibration operation, the plurality of receivers receive a third voltage in response to the ODT circuit being enabled and the first voltage through the first switch.