Touch sensing element

This invention discloses a touch inductive element. In the embodiment, the touch inductive element includes a plurality of inductor units arranged in M*N matrix. Each inductive unit includes a first touch inductor S1, 1, a second touch inductor S1, 2, a third touch inductor S2, 2 and a fourth touch inductor S2, 1 which are arranged to the matrix of 2*2, wherein the first inductor S1, 1 is connected with third S2, 2 and the second touch inductor S1, 2 is connected with the fourth touch inductor S2, 1. The touch inductive component further includes a plurality of control lines with M-row control lines and N-line control lines. Each row of control lines is continuously connected with the inductor unit on the corresponding row and each line of control lines is continuously connected with the inductor unit on the corresponding line.

Display-driving method

The invention relates to a display-driving method, which is applicable to a bistable-state display comprising a pixel array, and the pixel array consists of a plurality of first pixels and a plurality of second pixels, which are arranged in a preset way. The display-driving method includes the following steps: within a first time period, providing a first pixel potential for each first pixel and a second pixel potential for each second pixel, which differ from each other; within a second time period after the first time period, providing the second pixel potential for each first pixel, and keeping providing the second pixel potential for each second pixel; within a third time period after the second time period, displaying a gray-scale image in each first pixel, and providing the first pixel potential for each second pixel.

LCD panel, LCD device and control method thereof

The invention provides a liquid crystal display panel, a liquid crystal display device and a control method thereof, wherein the liquid crystal display panel comprises a first substrate and a second substrate; the first substrate comprises a pixel, a sensing pad configured close to the pixel, a switch electrically coupled to the sensing pad, a pixel grid line electrically coupled to the pixel, a sensing grid line electrically coupled to the switch, and a reading line; and the second substrate comprises a sensing device convexly formed on the second substrate, and a conductive layer which covers the sensing device and is electrically coupled to a preset power source. When the second substrate and the first substrate are combined, the sensing device is opposite to the sensing pad, and when the second substrate is pressed, the conductive layer covered on the sensing device is contacted with the sensing pad, and whether the switch is on is controlled by the sensing grid line so as to determine ...

Touch control type lcd device

The invention relates to a touch control type LCD device which comprises a first LCD unit, a touch control transistor, a first touch control sensing component and a touch control testing circuit, wherein the first LCD unit is coupled with a first scanning beam, the touch control testing circuit is coupled with a sensing wire, the touch control transistor comprises a grid electrode, a first end point and a second end point which is coupled with the sensing wire, and the grid electrode and the first end point are coupled with a second scanning beam. The first touch control comprises a first conductor coupled with the first end point of the touch control transistor, a second conductor coupled with the first scanning beam, and a first touch control conductor, when a sensing region of the touch control type LCD device is contacted, the first touch control conductor is electrically connected with the first conductor and the second conductor.

Driving circuit of display device

Electric resistance and touch control panel multi-point touch control process

The invention is indicated that when operates the electric resistance and touch control panel, first use finger to touch the touch control panel to transfer the first order, at the same time use touch control pen to touch the touch control panel to transfer the second order, and at last, execute the corresponding schematic agency events by identifying the first and second order, to provide the application of multi-point touch control process.

Liquid crystal display

The invention relates to a liquid crystal display, which comprises a display panel and a source driver, wherein the display panel is provided with a plurality of pixels arranged in a matrix mode; the source driver is coupled with the display panel, and is provided with a plurality of source wires; and each source wire of the source driver is responsible for performing pixel writing on corresponding six rows of pixels in the display panel.

Touch control type electro photoluminescence display panel

A touch-control electrical stimulation luminescent display panel comprises a substrate and a cover plate. The substrate comprises a pixel switching element, a signal reading element, an electrical stimulation luminescent device and an inductive pad. The pixel switching element and the electrical stimulation luminescent device are arranged in a display area of the substrate; the signal reading element and the inductive pad are arranged in a non-display area of the substrate. The cover plat comprises a first spacer, a touch-control spacer and a conductive layer. The first spacer is arranged at one side of the cover plate facing the substrate to maintain a fixed distance between the substrate and the cover plate; the touch-control spacer is arranged on the surface of the cover plate facing the substrate and is corresponding to the inductive pad; the conductive layer is arranged on the surface of the touch-control spacer facing the inductive pad. The invention provides a touch-control electrical ...

Touching control panel and its manufacturing method

Gesture detection method of touch control type LCD device

The invention relates to a method for detecting gestures, which is applied to a touch-control liquid crystal display device including a display area and a key area. The method for detecting the gestures comprises the following steps: confirming whether an object presses the touch-control liquid crystal display device; judging whether the object slides on the touch-control liquid crystal display device after pressing; and sending out gesture signals and performing predetermined function if the object slides between the display area and the key area.

LCD capable of improving dynamic frame display quality and driving method thereof

It is a LCD device and its drive method to improve dynamic frame display quality, which comprises the following steps: the LCD device comprises picture element, data drive circuit and scanning drive circuit; the data drive circuit outputs the relative drive picture element data, black element data and gray data into the picture element in first, second and third time points. The scanning drive circuit outputs the relative drive picture element data, black element data and gray data into the picture element in first, second and third time points.

Liquid crystal dislay and its driving method

Image amplifying and optimization method and image processing device using the method

Liquid crystal display and liquid crystal display panel

The invention discloses a liquid crystal display and a liquid crystal display panel.The pixel array structure of the liquid crystal display adopts a trichotomy source electrode driving configuration.By artfully arranging the connection relation among each pixel, each data line and each scan line, the single point reverse display effect of the liquid crystal display panel is displayed in a column inversion driving mode.Therefore, the integral power consumption of the liquid crystal display is lowered and the frame quality thereof is improved.

Liquid crystal display device with touch sensing function and touch sensing method thereof

The invention discloses a liquid crystal display device with touch sensing function, comprising a pixel gate line which is used for transmitting a pixel gate line signal, a pixel data line which is used for transmitting a pixel data signal, a pixel unit which is electrically connected with the pixel gate line and the pixel data line and is used for outputting an image signal according to the pixel gate line signal and the pixel data signal, a first sensing gate line which is used for transmitting a first sensing gate signal, a second sensing gate line which is used for transmitting a second sensing gate signal, a bias voltage line which is used for transmitting a bias voltage signal, a sensing unit which is electrically connected with the first sensing gate line, the second sensing gate line and the bias voltage line provides a first analogy sense signal according to the first sensing gate signal, the second sensing gate signal and the bias voltage signal, and a first sense line whichis ...

Dynamic figure indexing system and method

Pulse generation circuit and display device capable of regulating picture displaying brightness

LCD with improved display trace caused by uneven brightness and driving method thereof

The invention discloses a liquid crystal display device and a method for driving the same. A pixel array of the liquid crystal display device comprises two first pixel sets and two second pixel sets. Two first pixel sets are adjacently arranged on the same side of a data wire; each first pixel set comprises a first pixel and a second pixel; two second pixel sets are adjacently arranged on the other side of the data wire; and each second pixel set comprises a third pixel and a fourth pixel. The method for driving the liquid crystal display device comprises the following steps: driving one second pixel set of the two second pixel sets, and transmitting a first signal to the fourth pixel; driving the first pixel of the first pixel set, and transmitting a second signal to the first pixel; driving the other second pixel set, and transmitting a third signal to the other fourth pixel; and driving the third pixel of the former second pixel set, and transmitting a fourth signal to the third pixel ...

Display capable of actively regulating drive voltage, voltage compensation circuit and driving method

The invention provides a display capable of actively regulating drive voltage, a voltage compensation circuit and a driving method. The display comprises a display panel, a gate drive circuit and a voltage selector. The display panel starts pixels and displays an image according to a plurality of groups of gate output voltages and a common voltage. The gate drive circuit provides the gate output voltages according to a gate input signal. The voltage selector provides a plurality of dissimilar positive gate voltages and a plurality of dissimilar common voltages, outputs a corresponding positive gate voltage from the positive gate voltages and outputs a corresponding common voltage from the dissimilar common voltages according to the relationship between a reference voltage and an nth grade gate output voltage. Therefore, the drive voltage can be actively regulated.

Displacement register and control method thereof

The present invention discloses a shift register and a control method thereof, wherein the shift register comprises continuously and serially connected shift registering units. Each shift registeringunit is controlled by a first clock pulse signal and a second clock pulse signal to generate an output signal. In each shift registering unit, a first driving device drives, during a valid period andaccording to a first input signal, a first switch device to activate an output signal. A second driving device drives, during the valid period and according the first clock pulse signal, the first switch device by a voltage signal to inactivate the output signal. When the first switch device inactivates the output signal, a second switch device outputs the voltage signal as an output signal according to the second clock pulse signal. During the valid period, the voltage signal has low level, while the first clock pulse signal and the second clock pulse signal are opposite phase alternating current ...

Displacement register and control method thereof

The present invention discloses a shift register and a control method thereof, wherein the shift register comprises continuously and serially connected shift registering units. Each shift registering unit is controlled by a first clock pulse signal and a second clock pulse signal to generate an output signal. In each shift registering unit, a first driving device drives, during a valid period and according to a first input signal, a first switch device to activate an output signal. A second driving device drives, during the valid period and according the first clock pulse signal, the first switch device by a voltage signal to inactivate the output signal. When the first switch device inactivates the output signal, a second switch device outputs the voltage signal as an output signal according to the second clock pulse signal. During the valid period, the voltage signal has low level, while the first clock pulse signal and the second clock pulse signal are opposite phase alternating current ...

Adoptive back-light adjusting system and method

LCD with improved display trace caused by uneven brightness and driving method thereof

The invention discloses a liquid crystal display device and a method for driving the same. A pixel array of the liquid crystal display device comprises two first pixel sets and two second pixel sets. Two first pixel sets are adjacently arranged on the same side of a data wire; each first pixel set comprises a first pixel and a second pixel; two second pixel sets are adjacently arranged on the other side of the data wire; and each second pixel set comprises a third pixel and a fourth pixel. The method for driving the liquid crystal display device comprises the following steps: driving one second pixel set of the two second pixel sets, and transmitting a first signal to the fourth pixel; driving the first pixel of the first pixel set, and transmitting a second signal to the first pixel; driving the other second pixel set, and transmitting a third signal to the other fourth pixel; and driving the third pixel of the former second pixel set, and transmitting a fourth signal to the third pixel ...

Method for updating frames of electrophoretic display panel and electrophoretic display device thereof

The invention provides a method for updating frames of an electrophoretic display panel and an electrophoretic display device thereof. The method comprises the following steps: dividing gate lines of the electrophoretic display panel into a first part and a second part, wherein, display data of pixels coupled with the gate lines of the first part do not need to be updated, and display data of at least one pixel in the pixels coupled with each gate line of the second part need to be updated; then providing each gate line of the first part with a first type grid impulse, and providing each gateline of the second part with a second type grid impulse, wherein, the second type grid impulse has a preset impulse width, and the impulse width of the first type grid impulse is less than the presetimpulse width.

Time sequence controller and liquid crystal display device including the same time sequence controller

Gamma curve compensation method, gamma curve compensation circuit and display system

The invention provides a gamma curve compensation method, a gamma curve compensation circuit and a display system which are suitable for the display system to insert a plurality of grey scale images during the display process to adjust the display effect of the display system, the gray scale brightness of each grey scale image is one of a plurality of grey scale values. The gamma curve compensation methods contains: provide a plurality of corresponding lookup tables aiming at different grey scale values; when a specific grey scale value of the plurality of grey scale values is selected to form one of the grey scale images, select a specific lookup table corresponding to the specific grey scale value from the lookup tables, and take the specific lookup table as the basis of the gamma curve compensation so as to cause the gamma curve of the display system to remain unchanged during the display process. The invention also provides the gamma curve compensation circuit and the display system ...

Display method for relieving image retention on LCD device

Multiple scanning liquid crystal display and driving method thereof

Touch control type panel and touch control type device

The invention discloses a touch control panel comprising a first substrate, a second substrate, a frame glue disposed between the first substrate and the second substrate, a liquid crystal layer disposed between the first substrate and the second substrate and within the glue frame, a first sensing region and a second sensing region disposed on the first substrate and the second substrate. The second sensing region surrounds the first sensing region, and the glue frame surrounds the second sensing region. The first sensing region and the second sensing region comprises respectively at least one first sensing configuration with a first sensing clearance and at least one second configuration with a second sensing clearance which is smaller than the first sensing clearance. A touch control device is also disclosed.

Image contrast intensifying method

This invention relates to image contrast intensifying method, comprising the following steps: first, scanning a piece of image to sequentially calculate brightness variance of two adjacent pixels; then, comparing the variance to pre-setting threshold value, if large, generating a positive force sequence, if smaller, generating a negative force sequence; third, repeatedly operating the generation and accumulating calculation of the positive and negative ones to get a net positive force sequence and a net negative one until judging termination; fourth, forming a net force sequence by net positive one minus added-weight factor net negative one, and integrating and normalizing it to get a spreading force function; fifth, linear combining the spreading force function and original brightness switching function to get a new switching function for adjusting original brightness to intensify image contrast.

Touch-control device

The invention discloses a touch-control device. The touch-control device comprises a first substrate, a second substrate, a frame sealant, at least one first sensing structure and at least one edge sensing structure, wherein the second substrate is arranged parallel to the first substrate, the first substrate and the second substrate are provided with a first sensing zone and an edge sensing zone, and the edge sensing zone is positioned outside the first sensing zone; the frame sealant is positioned between the first substrate and second substrate and surrounds the outer side of the edge sensing zone; the first sensing structure is positioned in the first sensing zone between the first substrate and the second substrate, and the first sensing structure is provided with a first sensing gap; and the edge sensing structure is positioned in the edge sensing zone between the first substrate and the second substrate, and the edge sensing structure is provided with a third sensing gap which is ...

Touch control type panel and portable electronic device with the same

The present invention provides a touch panel and a portable electronic device having the touch panel. The touch panel includes: multiple pixel circuits arranged in an array mode, wherein at least onefirst pixel circuit of each M*N pixel circuits includes: an active component, having a gate, a source cathode and a drain, the gate is electrically connected with the drain, the source cathode is electrically connected with a read wire; and a switch, one end is electrically connected with the second drain, the other end is electrically connected with the scanning wire. When the switch is turned on, the region of showing M*N pixel circuits constitution is the touched position of the touch panel, and M, N are positive integers. The touch panel of the invention accurately judges the touching position of the touch panel by users only by judging the dividing voltage value between the reference capacitor of the pixel configuring with a sensing region and the sensing capacitance whether changed or ...

Liquid crystal display

The invention relates to a liquid crystal display, which comprises a display panel and a source driver, wherein the display panel is provided with a plurality of pixels arranged in a matrix mode; the source driver is coupled with the display panel, and is provided with a plurality of source wires; and each source wire of the source driver is responsible for performing pixel writing on corresponding six rows of pixels in the display panel.

Display equipment with narrow frame structure and its driving method

A display device with a narrow frame area structure comprises a substrate, a plurality of data wires, a plurality of grid wires, a plurality of auxiliary grid wires and a driver module. The substrate is provided with an image display area and a frame area. The data wires, grid wires and auxiliary grid wires are arranged in the image display area and the driver module is arranged in the frame area. The grid wires and the data wires are mutually perpendicular, while the auxiliary grid wires are parallel to the data wires. Each auxiliary grid wire is electrically connected to the corresponding grid wire. The data wires and the auxiliary grid wires are electrically connected to the driver module in an alternative mode. In addition, the invention discloses a drive method: a plurality of grid signals provided by the driver module is fed to the grid wires through the auxiliary grid wires.

Source driver and driving device using same

The invention provides a source driver and a driving device using the same. The source driver comprises a programmable core circuit, N output buffer circuits and N operating voltage selection circuits. The programmable core circuit has N data channels, and each output buffer circuit receives a signal output by the data channel. The programmable core circuit selects M data channels according to a control signal for allocating display data to other data channels. The programmable core circuit also makes the corresponding M output buffer circuit output M grid pulses in turn, make corresponding M operating voltage selection circuits output first operating voltages to the corresponding M output buffer circuits and make other operating voltage selection circuit output second operating voltages to other output buffer circuits. The source driver and the driving device can be used very flexibly and save cost.

Touch-control detection method

The invention discloses a touch-control detection method which comprises the following steps: detecting a plurality of sensing points and taking at least one sensing point with energy being larger than a preset critical value as a first signal, and taking sensing points with energy being smaller than the preset critical value and with the sensing point positions being next to the sensing point ofthe at least one first signal as second signals; and carrying out weighted average for the energies of the at least one first signal and the second signals and taking the result of the weighted average as a first dimension coordinate of a touch-control point, wherein the weights of the energies of the at least one first signal and the second signals are correlated with the sensing points of the atleast one first signal and the second signals.

Touching control panel and its manufacturing method

A kind of touch control panel and its fabrication method, it can have double layer sensing pas structure or single layer sensing pas structure. In this double layer sensing pas structure, the sensing pas of each lay has the corresponding plan sensing pas in the other layer to compensate the difference of the transmittance of light. In the single layer sensing pas structure, the sensing pas are in the same plane, so it can over come the problem of chromatic aberration, improve the visual effect of the touch control panel.

Touch-control panel and display device

The invention provides a touch-control panel, comprising an upper substrate and a lower substrate which are mounted oppositely in parallel, a touch-control sensor element and a warning sensor element. When the outer force reaches the preset strength, the warning sensor element is started up to remind the use to reduce the outer force to protect the function of the touch-control panel. In addition, the invention also discloses a display device comprising the touch-control panel.

Input pattern judgement method and computer readable storage medium

The invention provides an input pattern determination method and a readable computer storage media, wherein the input pattern determination method is applicable to being carried out in electronic devices with touch control panels. The method comprises the steps of detecting a plurality of points of intersection between an input pattern input by the touch control panel and a circumscribed polygon of the input pattern; detecting the area ratio of the polygon formed by the encirclement of the points of intersection and the circumscribed polygon; and determining the shape of the input pattern according to the area ratio. By designing the specific input pattern determination method, the embodiment of the invention can realize the input operation which can be completed by a plurality of fingers in the prior art by using single touch object, overcome the defect of inconvenient operation of the electronic devices caused by the small-size touch control panel which is hard to provide enough mobile ...

Projection type capacitance touch control device and method for recognizing different contact position

The invention relates to a projection-type capacitive touch control device and a method for recognizing different contact positions produced on a projection capacitance touch control panel. The method includes the following steps: step 1, generating a first contact group of reference values, according to a first contact position; step 2, generating a plurality of second groups of reference values, according to a second contact position, wherein, the plurality of second groups of reference values have a Real second group of reference values, and at least one Ghost second group of reference values including part of values of the first contact group of reference values; and step 3, filtering the at least one Ghost second group of reference values. The touch control device and recognizing method of the invention can realize the function of multi-point touch control detection, and can be applied on thin type or small-scale screens.

Over-driving device

Display-driving method

The invention relates to a display-driving method, which is applicable to a bistable-state display comprising a pixel array, and the pixel array consists of a plurality of first pixels and a plurality of second pixels, which are arranged in a preset way. The display-driving method includes the following steps: within a first time period, providing a first pixel potential for each first pixel and a second pixel potential for each second pixel, which differ from each other; within a second time period after the first time period, providing the second pixel potential for each first pixel, and keeping providing the second pixel potential for each second pixel; within a third time period after the second time period, displaying a gray-scale image in each first pixel, and providing the first pixel potential for each second pixel.

Plane display, touch control device and touch control detection method

The invention discloses a plane display, a touch control device and a touch control detection method. The touch control device is arranged on a substrate provided with a plurality of scanning lines and comprises a plurality of reading lines and a plurality of sensing elements, the reading lines and the scanning lines are arranged in a mutual crossing way, and the sensing elements are respectivelyin electrical coupling with a corresponding scanning line and a corresponding reading line, wherein scanning signals are sequentially led into the scanning lines to control whether the sensing elements are started or not, the scanning signals comprise at least one first opening signal and a second opening signal so as to simultaneously start at least two sensing elements, and at least two sensingelements which are simultaneously started are in electrical coupling with different scanning lines. The invention ensures that the scanning signals are provided with at least one first opening signaland ...

Plane display, touch control device and touch control detection method

The invention discloses a plane display, a touch control device and a touch control detection method. The touch control device is arranged on a substrate provided with a plurality of scanning lines and comprises a plurality of reading lines and a plurality of sensing elements, the reading lines and the scanning lines are arranged in a mutual crossing way, and the sensing elements are respectively in electrical coupling with a corresponding scanning line and a corresponding reading line, wherein scanning signals are sequentially led into the scanning lines to control whether the sensing elements are started or not, the scanning signals comprise at least one first opening signal and a second opening signal so as to simultaneously start at least two sensing elements, and at least two sensing elements which are simultaneously started are in electrical coupling with different scanning lines. The invention ensures that the scanning signals are provided with at least one first opening signal and ...

Dynamic touching moire compensation process and related LCD system

The invention provides a dynamic touching MURA compensation method and an LCD system thereof; the method comprises that: a touching position signal is generated according to a touching position of a touching event of an LCD screen; a signal compensation process of a pixel brightness signal relative to the touching position of an original pixel data is executed according to the touching position, thereby generating a pixel data to be displayed; and the pixel data to be displayed is displayed on the LCD screen. Moreover, the invention discloses an LCD system provided with dynamic touching MURA compensation, which comprises an LCD screen, a touching signal analyzing module, a display data processor, a dynamic MURA compensation unit and a source electrode driver.

Source driver and driving device using same

The invention provides a source driver and a driving device using the same. The source driver comprises a programmable core circuit, N output buffer circuits and N operating voltage selection circuits. The programmable core circuit has N data channels, and each output buffer circuit receives a signal output by the data channel. The programmable core circuit selects M data channels according to a control signal for allocating display data to other data channels. The programmable core circuit also makes the corresponding M output buffer circuit output M grid pulses in turn, make corresponding Moperating voltage selection circuits output first operating voltages to the corresponding M output buffer circuits and make other operating voltage selection circuit output second operating voltages to other output buffer circuits. The source driver and the driving device can be used very flexibly and save cost.

Driving circuit of display device

The display driving circuit includes one data signal driver, one scanning signal driver and one pixel array comprising display units. Each of the display units in the even number rows is connected to one switch to accept switch signal, which makes the switch on or off in certain sequence during scanning the display units in each column. In the pixel array, the display units in the even number rows and that in the odd number rows may share one identical data signal line while time-sharing obtaining required data signal.

Dynamic touching moire compensation process and related LCD system

The invention provides a dynamic touching MURA compensation method and an LCD system thereof; the method comprises that: a touching position signal is generated according to a touching position of a touching event of an LCD screen; a signal compensation process of a pixel brightness signal relative to the touching position of an original pixel data is executed according to the touching position, thereby generating a pixel data to be displayed; and the pixel data to be displayed is displayed on the LCD screen. Moreover, the invention discloses an LCD system provided with dynamic touching MURA compensation, which comprises an LCD screen, a touching signal analyzing module, a display data processor, a dynamic MURA compensation unit and a source electrode driver.

Image processing method in LCD

Touch sensing element

This invention discloses a touch inductive element. In the embodiment, the touch inductive element includes a plurality of inductor units arranged in M*N matrix. Each inductive unit includes a first touch inductor S_{1, 1}, a second touch inductor S_{1, 2}, a third touch inductor S_{2, 2} and a fourth touch inductor S_{2, 1} which are arranged to the matrix of 2*2,wherein the first inductor S_{1, 1} is connected with third S_{2, 2} and the second touch inductor S_{1, 2} is connected with the fourth touch inductor S_{2, 1}. The touch inductive component further includes a plurality of control lines with M-row control lines and N-line control lines. Each row of control lines is continuously connected with the inductor unit on the corresponding row and each line of control lines is continuously connected with the inductor unit on the corresponding line.

Touch-control panel and display device

The invention provides a touch-control panel, comprising an upper substrate and a lower substrate which are mounted oppositely in parallel, a touch-control sensor element and a warning sensor element.When the outer force reaches the preset strength, the warning sensor element is started up to remind the use to reduce the outer force to protect the function of the touch-control panel. In addition,the invention also discloses a display device comprising the touch-control panel.

Method for updating frames of electrophoretic display panel and electrophoretic display device thereof

The invention provides a method for updating frames of an electrophoretic display panel and an electrophoretic display device thereof. The method comprises the following steps: dividing gate lines of the electrophoretic display panel into a first part and a second part, wherein, display data of pixels coupled with the gate lines of the first part do not need to be updated, and display data of at least one pixel in the pixels coupled with each gate line of the second part need to be updated; then providing each gate line of the first part with a first type grid impulse, and providing each gate line of the second part with a second type grid impulse, wherein, the second type grid impulse has a preset impulse width, and the impulse width of the first type grid impulse is less than the preset impulse width.

Input pattern judgement method

The invention provides an input pattern determination method, wherein the input pattern determination method is applicable to being carried out in electronic devices with touch control panels. The method comprises the steps of detecting a plurality of points of intersection between an input pattern input by the touch control panel and a circumscribed polygon of the input pattern; detecting the area ratio of the polygon formed by the encirclement of the points of intersection and the circumscribed polygon; and determining the shape of the input pattern according to the area ratio. By designing the specific input pattern determination method, the embodiment of the invention can realize the input operation which can be completed by a plurality of fingersin the prior art by using single touch object, overcome the defect of inconvenient operation of the electronic devices caused by the small-size touch control panel which is hard to provide enough mobile space needed by multi-point touch, and ...

Gamma curve compensation method, gamma curve compensation circuit and display system

The invention provides a gamma curve compensation method, a gamma curve compensation circuit and a display system which are suitable for the display system to insert a plurality of grey scale images during the display process to adjust the display effect of the display system, the gray scale brightness of each grey scale image is one of a plurality of grey scale values. The gamma curve compensation methods contains: provide a plurality of corresponding lookup tables aiming at different grey scale values; when a specific grey scale value of the plurality of grey scale values is selected to form one of the grey scale images, select a specific lookup table corresponding to the specific grey scale value from the lookup tables, and take the specific lookup table as the basis of the gamma curvecompensation so as to cause the gamma curve of the display system to remain unchanged during the display process. The invention also provides the gamma curve compensation circuit and the display system ...

Touch-control device

The invention discloses a touch-control device. The touch-control device comprises a first substrate, a second substrate, a frame sealant, at least one first sensing structure and at least one edge sensing structure, wherein the second substrate is arranged parallel to the first substrate, the first substrate and the second substrate are provided with a first sensing zone and an edge sensing zone, and the edge sensing zone is positioned outside the first sensing zone; the frame sealant is positioned between the first substrate and second substrate and surrounds the outer side of the edge sensing zone; the first sensing structure is positioned in the first sensing zone between the first substrate and the second substrate, and the first sensing structure is provided with a first sensing gap; and the edge sensing structure is positioned in the edge sensing zone between the first substrate and the second substrate, and the edge sensing structure is provided with a third sensing gap which is ...

Projection type capacitance touch control device and method for recognizing different contact position

The invention relates to a projection-type capacitive touch control device and a method for recognizing different contact positions produced on a projection capacitance touch control panel. The methodincludes the following steps: step 1, generating a first contact group of reference values, according to a first contact position; step 2, generating a plurality of second groups of reference values,according to a second contact position, wherein, the plurality of second groups of reference values have a Real second group of reference values, and at least one Ghost second group of reference values including part of values of the first contact group of reference values; and step 3, filtering the at least one Ghost second group of reference values. The touch control device and recognizing method of the invention can realize the function of multi-point touch control detection, and can be applied on thin type or small-scale screens.

Dynamic drawing indexing method

Multiple picture scanning method for dispaly

The invention is a multiimage scanning method applied to the displays, containing: generating K horizontal trigger signals in a period of time of completing scanning M horizontal lines once; generating K groups of different-phase clock signals to trigger K input data, respectively; and displaying the K input data on a display according to these trigger signals and clock signals.

Touch-control detection method

The invention discloses a touch-control detection method which comprises the following steps: detecting a plurality of sensing points and taking at least one sensing point with energy being larger than a preset critical value as a first signal, and taking sensing points with energy being smaller than the preset critical value and with the sensing point positions being next to the sensing point ofthe at least one first signal as second signals; and carrying out weighted average for the energies of the at least one first signal and the second signals and taking the result of the weighted average as a first dimension coordinate of a touch-control point, wherein the weights of the energies of the at least one first signal and the second signals are correlated with the sensing points of the at least one first signal and the second signals.

Driving method for electrophoretic display device and panel thereof

The invention relates to a driving method for an electrophoretic display device and a panel thereof. The driving method for the electrophoretic display device and the panel thereof can obtain information for driving all pixels in the electrophoretic display panel only through results obtained after looking up previous picture data and current picture data of the electrophoretic display panel in a table. Therefore, the built-in memory space for looking up in the table can be reduced, and the using cost of a memory can be saved.

Image sharpening method and apparatus

Touch control LCD (Liquid Crystal Display) panel

The invention relates to a touch control LCD (Liquid Crystal Display) panel for manufacturing a color filter on a thin film transistor substrate COA (Color Filter on Array). The touch control LCD panel comprises a first substrate, a second substrate, a plurality of first spacers and a plurality of second spacers, wherein the first substrate is provided with a common electrode layer; the second substrate is provided with a thin film transistor array, a color filter layer and a pixel electrode layer; the first spacers are positioned between the first substrate and the second substrate and are respectively in contact with the first substrate and the second substrate; and the second spacers have signal sensing functions, one ends of the second spacers are arranged on the first substrate, and the other ends and the second substrate are spaced or one ends of the second spacers are arranged on the second substrate, and the other ends and the first substrate are spaced.

Pixel driving circuit, time-sequence controller and scanning method

The present invention divides the scan lines of LCD into several groups, and proposes pixel driving circuit and scan method to scan the said scan lines synchronously within one scan period. Owing to the different frame data of different scan lines, the traditional scan mode can not regulate flexibly with the change and has limited improvement in reaction time and image quality. The present invention utilizes the frame cutting saved scan time in further image quality improving treatment.

Over-driving device

An overdriving device is prepared for compressing the first image signal to generate the first compressed image signal by compression circuit and storing the first compressed image signal temporarily in buffer at the first frame period, compressing the second image signal to generate the second compressed image signal by compression circuit and outputting temporarily store the first compressed image signal, using comparison circuit to compare two said compressed image signals and generating energized signal according to comparison result and deciding whether display device is to be overdriven or not by overdriving unit according to energized signal.

Pixel driving circuit, time-sequence controller and scanning method

Liquid crystal display device with touch sensing function and touch sensing method thereof

The invention discloses a liquid crystal display device with touch sensing function, comprising a pixel gate line which is used for transmitting a pixel gate line signal, a pixel data line which is used for transmitting a pixel data signal, a pixel unit which is electrically connected with the pixel gate line and the pixel data line and is used for outputting an image signal according to the pixel gate line signal and the pixel data signal, a first sensing gate line which is used for transmitting a first sensing gate signal, a second sensing gate line which is used for transmitting a second sensing gate signal, a bias voltage line which is used for transmitting a bias voltage signal, a sensing unit which is electrically connected with the first sensing gate line, the second sensing gate line and the bias voltage line provides a first analogy sense signal according to the first sensing gate signal, the second sensing gate signal and the bias voltage signal, and a first sense line which is ...

Image amplifying and optimization method and image processing device using the method

The invention discloses an image amplifying and optimizing method and image processing device through the method, wherein the image processing device contains image signal picking mode, memory and image signal processing mode; the image amplifying and optimizing method comprises the following steps: the image signal picking mode consists of image signal picking unit array and external array, wherein the unit array contain multiple pixels; the external array contains multiple subsidiary pixels; each pixel and each subsidiary pixel possess image parameter; the memory stores multiple preset continuous rim; the image signal processing mode compares the image parameter of each pixel and each subsidiary pixel, which classifies each pixel and each subsidiary pixel in one of first pixel point group and second pixel point group. The invention can keep sharp and fluent rim after amplifying the image, which can improve the fuzzy problem for image rim.

Display equipment with narrow frame structure and its driving method

A display device with a narrow frame area structure comprises a substrate, a plurality of data wires, a plurality of grid wires, a plurality of auxiliary grid wires and a driver module. The substrate is provided with an image display area and a frame area. The data wires, grid wires and auxiliary grid wires are arranged in the image display area and the driver module is arranged in the frame area. The grid wires and the data wires are mutually perpendicular, while the auxiliary grid wires are parallel to the data wires. Each auxiliary grid wire is electrically connected to the corresponding grid wire. The data wires and the auxiliary grid wires are electrically connected to the driver module in an alternative mode. In addition, the invention discloses a drive method: a plurality of grid signals provided by the driver module is fed to the grid wires through the auxiliary grid wires.

Touch control type panel and portable electronic device with the same

The present invention provides a touch panel and a portable electronic device having the touch panel. The touch panel includes: multiple pixel circuits arranged in an array mode, wherein at least one first pixel circuit of each M*N pixel circuits includes: an active component, having a gate, a source cathode and a drain, the gate is electrically connected with the drain, the source cathode is electrically connected with a read wire; and a switch, one end is electrically connected with the second drain, the other end is electrically connected with the scanning wire. When the switch is turned on, the region of showing M*N pixel circuits constitution is the touched position of the touch panel, and M, N are positive integers. The touch panel of the invention accurately judges the touching position of the touch panel by users only by judging the dividing voltage value between the reference capacitor of the pixel configuring with a sensing region and the sensing capacitance whether changed or ...

Method capable of mending touch control type apparatus and touch control type panel

The invention relates to a repairable touch device and a method for repairing a touch panel. The repairable touch device comprises a baseplate, an inductive circuit and at least one repairing wire. The baseplate consists of an induction zone and a perimeter zone, and the inductive circuit is positioned in the induction zone and comprises a plurality of induction wires. The repairing wire is positioned in the perimeter zone and applied to repairing the induction wires. The method for repairing a touch panel comprises the following steps: the touch panel provided with the structure is provided; the induction wires are detected to detect the induction wire needing to be repaired; the induction wire needing to be repaired is repaired, and the repairing wire and the induction wire needing to be repaired are electrically connected. The device and method of the invention repair the damaged induction wire by arranging the repairing wire, thus being capable of improving yield rate and greatly reducing ...

Touch control screen device control method

A control method of a touch control screen device includes: starting an active mode of a touch control panel; defining an active region on the touch control panel; inputting a touching signal at any position of the touch control panel; determining whether the position of the touching signal is in the active region; and, when the touching signal is in the active region, omitting calculation of the corresponding coordinate values of the position of the touching signal, and outputting a corresponding scheduled output signal according to the touching signal. So that the operational process of users becomes more smooth, the calculation resource of the entire system can be saved, and the system power loss can be reduced.

Image processing method in LCD

The invention relates to a method for processing images of a liquid crystal display (LCD), comprising the following steps that: backlighting parameters are obtained according to image datum; a backlighting source is adjusted against the backlighting parameters; a gray reference value is obtained against the adjusted backlighting source, wherein the gray reference value between a first gray boundary value and a second boundary value; when the gray value of the image datum is between the gray reference value and the first gray boundary value, the gray value of the image data is converted into a corresponding output gray value against the backlighting parameters; when the gray value of the image data is between the gray reference value and the second gray boundary value, the gray value of the image data is converted into a corresponding output gray value against a linear relation. The invention can improve contrast degree of the image and increase the color levels displayed by the image so ...

Low impedance structure condenser type touch control panel

Display apparatus with integration touch panel

The invention discloses a display device provided with an integrated touch pad, aiming to provide a display device which integrates the functions of the prior condenser touch pad and the prior pressure touch pad into a whole and is embedded into a display panel. The invention improves the triggering sensitivity of the touch pad, strengthens the display effect of the display device and leads to more convenient and more comfortable user operation. The display device mainly comprises a sistor substrate and a colored filter substrate, wherein, the sistor substrate comprises pixel electrodes; a transparent conductive coating is formed on the inside surface of a sistor; the colored filter substrate comprises a colored filter glassy layer the lower surface of which is uniformly attached with sensor sets, and also comprises a colored photoresistive layer; a plurality of lugs are formed on the surface of the colored photoresistive layer by extending; transparent conductive coatings are formed on ...

Touch control type electro photoluminescence display panel

A touch-control electrical stimulation luminescent display panel comprises a substrate and a cover plate. The substrate comprises a pixel switching element, a signal reading element, an electrical stimulation luminescent device and an inductive pad. The pixel switching element and the electrical stimulation luminescent device are arranged in a display area of the substrate; the signal reading element and the inductive pad are arranged in a non-display area of the substrate. The cover plat comprises a first spacer, a touch-control spacer and a conductive layer. The first spacer is arranged at one side of the cover plate facing the substrate to maintain a fixed distance between the substrate and the cover plate; the touch-control spacer is arranged on the surface of the cover plate facing the substrate and is corresponding to the inductive pad; the conductive layer is arranged on the surface of the touch-control spacer facing the inductive pad. The invention provides a touch-control electrical ...

Touch control type lcd device

The invention relates to a touch control type LCD device which comprises a first LCD unit, a touch control transistor, a first touch control sensing component and a touch control testing circuit, wherein the first LCD unit is coupled with a first scanning beam, the touch control testing circuit is coupled with a sensing wire, the touch control transistor comprises a grid electrode, a first end point and a second end point which is coupled with the sensing wire, and the grid electrode and the first end point are coupled with a second scanning beam. The first touch control comprises a first conductor coupled with the first end point of the touch control transistor, a second conductor coupled with the first scanning beam, and a first touch control conductor, when a sensing region of the touch control type LCD device is contacted, the first touch control conductor is electrically connected with the first conductor and the second conductor.

Low impedance structure condenser type touch control panel and its production method

Display and drive method thereof

The invention discloses a display and a drive method thereof; wherein the display comprises a pixel array, a data drive line, a gate drive line and a sharing electrode. The pixel array comprises a first pixel, a second pixel and a third pixel. The first pixel comprises multiple sub-pixels and each sub-pixel stands for a corresponding color. Wherein, the data drive line provides data signals to the first pixel and the second pixel, so that sub-pixels which stand for the same corresponding color in the first pixel and the second pixel have different polarities relative to the sharing electrode and the sub-pixels which stand for the same corresponding color in the first pixel and the third pixel have same polarity relative to the sharing electrode.

Liquid crystal dislay and its driving method

The invention is a liquid crystal display (LCD) and its driving method, including the following steps: (a) receiving the image data in each cycle of each display cell to determine the grey scale in the display cycle of the display cell; (b) making a grid drive circuit control each line of display cells to be scanned at least twice a display cycle; (c) making a source drive circuit generate a data switching signal; (d) as the data switching signal is at the first voltage level, making the source drive circuit determine the grey scale of some line of display cells according to the image data; and (e) as the data switching signal is at the second voltage level, making the source drive circuit drive some line of display cells to reach a preset grey scale.

Touch control type panel and touch control type device

The invention discloses a touch control panel comprising a first substrate, a second substrate, a frame glue disposed between the first substrate and the second substrate, a liquid crystal layer disposed between the first substrate and the second substrate and within the glue frame, a first sensing region and a second sensing region disposed on the first substrate and the second substrate. The second sensing region surrounds the first sensing region, and the glue frame surrounds the second sensing region. The first sensing region and the second sensing region comprises respectively at least one first sensing configuration with a first sensing clearance and at least one second configuration with a second sensing clearance which is smaller than the first sensing clearance. A touch control device is also disclosed.

Display capable of actively regulating drive voltage, voltage compensation circuit and driving method

The invention provides a display capable of actively regulating drive voltage, a voltage compensation circuit and a driving method. The display comprises a display panel, a gate drive circuit and a voltage selector. The display panel starts pixels and displays an image according to a plurality of groups of gate output voltages and a common voltage. The gate drive circuit provides the gate output voltages according to a gate input signal. The voltage selector provides a plurality of dissimilar positive gate voltages and a plurality of dissimilar common voltages, outputs a corresponding positive gate voltage from the positive gate voltages and outputs a corresponding common voltage from the dissimilar common voltages according to the relationship between a reference voltage and an nth gradegate output voltage. Therefore, the drive voltage can be actively regulated.

Touch control type apparatus capable of mending and method for mending touch control type panel

The invention relates to a repairable touch device and a method for repairing a touch panel. The repairable touch device comprises a baseplate, an inductive circuit and at least one repairing wire. The baseplate consists of an induction zone and a perimeter zone, and the inductive circuit is positioned in the induction zone and comprises a plurality of induction wires. The repairing wire is positioned in the perimeter zone and applied to repairing the induction wires. The method for repairing a touch panel comprises the following steps: the touch panel provided with the structure is provided;the induction wires are detected to detect the induction wire needing to be repaired; the induction wire needing to be repaired is repaired, and the repairing wire and the induction wire needing to be repaired are electrically connected. The device and method of the invention repair the damaged induction wire by arranging the repairing wire, thus being capable of improving yield rate and greatly reducing ...