ORGANIC LIGHT EMITTING DISPLAY DEVICE AND HEAD MOUNTED DISPLAY INCLUDING SAME

The meaning of the term are described within the specification will be understand as follows.

It is apparent that a single representation of the other providing language translators must be understood to broadly define not including a plurality of representation, "number 1", "number 2" to distinguish from other components such as components for the one term, these terms in rights by time is not with each other. ". ". ". "". The term "comprising" or "having disclosed" or number of one or more other features, steps, operation, component, piece or a combination of pre-times the number should not understood to presence or additional possibility. ". ". ". "". The term "at least one" of one or more related items including the number from all possible should understood to in combination. For example, "item number 1, number 2 and number 3 at least one of item item" wherein the meanings of item number 1, number 2 item or each item number 3 as well as item number 1, number 2 and number 3 item number from among all items in one or more item 2 can be a combination of big. ". ". ". "". The term "on" when any configuration is just another is formed on the first as well as the configuration of the number 3 interposed between these when including to means other.

The organic light emitting display device including head mounted display of the present invention according to hereinafter and its preferred examples with reference to the attached drawing detailed as follows. Each of the drawings in adding references components, although other drawing even for the same components displayed on a possible code may have the same. In addition, the present invention is connected to the described, publicly known or a function of the associated specific description the subject matter of invention description if a haze can be decided to be dispensed can be.

Figure 2 shows a device that shows one example the organic light emitting display according to an embodiment of the present invention also are disclosed. The reference 2 also, organic light emitting display device according to an embodiment of the present invention is organic light emitting display panel (100), the gate driving unit (200), display driver (display driver, 310), and flexible film (330) comprises.

Organic light emitting display panel (100) lower substrate (110) and the top substrate (180) comprises. Lower substrate (110) be a thin film transistor substrate. Upper substrate (180) be a color filter substrate. Lower substrate (110) comprises a substrate (180) can be greater than, thereby lower substrate (110) a portion of the upper substrate (180) can be exposed without covered by.

Organic light emitting display panel (100) (DA) display area of gate lines, data lines and lighting regions are formed. Gate lines and data lines formed to cross each other. For example, gate lines are formed in a direction (Y axis direction) number 1, number 2 direction (X axis direction) can be data lines are formed. Light emitting regions are gate lines and data lines formed the intersection regions. (DA) are light emitting region display area for displaying an Image substrate. Details description is also associated with a display area (DA) for 3 and 4 also applies to carry.

The gate driving unit (200) is formed on driver (310) gate-gate signals from the gate lines [...] number supplied. The gate driving unit (200) is organic light emitting display panel (100) to one side of the display area of the display area and the outermost (DA) (NDA) GIP (gate driver in panel) or otherwise formed into a, TAB (tape automated bonding) side of the flexible film is small driving chip number manner organic light emitting display panel (100) attached to one side of the display area of the display area and the outermost (DA) (NDA) disapproval.

Display driver (310) is subjected to external system timing signal circuit board digital video data. Display driver (310) the TV receiver signal on the basis of the gate driving unit (200) for gate voltages to the data lines of the first number of the number hu when it freezes and the supply of source number for [...] number occurs. Display driver (310) the gate wiring number [...] gate driver (200) is supplied to the.

Display driver (310) comprises a source number [...] analog data voltages in digital video data to the data lines is supplied. Display driver (310) is driven when the small chip number, COF (chip on film) or COP (chip on plastic) manner flexible film (330) may be mounted disclosed.

Lower substrate (110) the size of the upper substrate (180) than the size of the force, lower substrate (110) a portion of the upper substrate (180) can be exposed without covered by. Upper substrate (180) not covered and exposed by the lower substrate (110) in diameter can be formation process. Pads are connected with the data line data pads and the gate driving unit (200) comprising the connected to a gate pad. Flexible film (330) is pads and display driver (310) can be connecting conductive lines are formed. Flexible film (330) (antisotropic conducting film) is cylindrical in shape and is attached to the pad using on, exposed and flexible film (330) can be conductive wiring are connected.

Figure 3 shows a plane view of Figure 2 showing one example of the display area are disclosed.

The reference also 3, according to one example of the present invention display area (DA) (GE, RE, BE) light emitting regions-emitting region comprises (NEA). Light emitting regions of the organic light-emitting layer (GE, RE, BE) from the light emitting substrate. The light-emitting region (GE) light emitting regions (GE, RE, BE) number 1, number 2 and number 3 (RE) light emitting region comprises a light-emitting region (BE). Non-light-emitting regions are provided in respective rims (NEA) (GE, RE, BE), light emitting regions (GE, RE, BE) partitioning the substrate.

Green light emitting region emitting a green light-emitting sides (GE) number 1, number 2 (RE) emitting red light emission region and a red light-emitting region, the light-emitting region number 3 (BE) emits blue light can be blue light emission region. In this case, the number 2 and number 3 (BE) number 1 (GE) light emitting region emitting region spaced apart from each other and an outer light-emitting region (RE) disposed thereon. This, number 2 of the present invention one example includes light emitting region (RE), number 2 (RE) light emitting region on one side of adjacent light-emitting region (GE) number 1 and number 2 (RE) portion of the light emitting region adjacent number 3 (BE) in a partial area of other side light emitting region can be defined by one of the pixel (P).

Of the existing method for organic light emitting display device includes a light-emitting region between adjacent light emitting regions (NEA) interlayer dielectric black matrix (black matrix) contact with each other. However, a head mounted display (Head Mounted Display, HMD) organic light emitting display device of the existing method compresses, first panel door number non-luminous territory by black matrix are a cross pattern can be as well. In order to solve the same, black matrix when back number, transmission spectrum light emitting regions overlapping each other central processing unit during a green light-emitting region can be generated between molecular organic light emitting region.

However, in one example of the present invention emits blue light and the green light emitting region emitting light emitting region (GE) number 1 number 3 (BE) number 2 (RE) spaced apart from each other and an outer light-emitting region emitting yellow light is disposed thereon. The, number 1 and number 3 (GE, BE) without at the pixels between molecular organic light emitting region can be prevent. This, the present invention according to organic light emitting display device 4 is also encoded with reference to specifically carry.

Figure 4 shows a I a-I ' of cross-sectional drawing of Figure 3 are disclosed. This, organic light emitting display area of the display panel (DA) also are shown in the 3 to explain the cross-sectional drawing passing are disclosed.

The reference also 4, organic light emitting display panel according to an embodiment of the present invention (100) lower substrate (110), transparent adhesion layer (170) and an upper substrate (180) comprises. Lower substrate (110) on the thin film transistor (120) are, planarization film (140), organic light emitting device (160) and sealing film (155) are disclosed.

Thin film transistor (120) each semiconductor layer (121) are, gate insulating film (122), gate electrode (123) are, an interlayer insulating film (124), a source electrode (125) and drain electrode (126) comprising the. In Figure 4 includes a gate electrode (123) semiconductor layer (121) placed on top of layer has (top gate, top gate) is formed is exemplified but manner, attention is not limited to accomplishing. I.e., thin film transistor (120) are gate electrode (123) semiconductor layer (121) to be located beneath a lower gate (bottom gate, bottom gate) or a gate electrode (123) semiconductor layer (121) located at the top and bottom both double gate (double gate) can be configured in such a way.

Lower substrate (110) on the semiconductor layer (121) are formed therein. Lower substrate (110) with the first (121) in between the semiconductor layer (121) to protect the semiconductor layer (121) buffer (not shown) for the interface of force can be formed. Buffer (not shown) comprising a plurality of inorganic film can be.

A gate insulating film (122) semiconductor layer (121) on the pair of substrates. A gate insulating film (122) semiconductor layer (121) one direction (123) are used for the insulating function. A gate insulating film (122) semiconductor layer (121) that covers the display area (DA) are formed on the entire surface. A gate insulating film (122) the insulating layer e.g., SiO2 (silicon dioxide), SiNx (silicon nitride), SiON (silicon oxynitride) or multi-layered manoeuvered such that the but, is not limited.

Gate electrode (123) are gate insulating film (122) on the pair of substrates. Gate electrode (123) are gate insulating film (122) and an outer tube, semiconductor layer (121) to respective ones of the overlapping with each other. Gate electrode (123) each of the e.g., molybdenum (Mo), aluminum (Al), chromium (Cr), gold (Au), titanium (Ti), nickel (Ni), neodymium (Nd) and copper (Cu) seed layer of either a single layer or multiple but either one or both of alloy, is not limited.

An interlayer insulating film (124) gate electrode (123) on the pair of substrates. An interlayer insulating film (124) gate electrode (123) display area (DA) comprising front the pair of substrates. An interlayer insulating film (124) gate insulating (122) the same insulating layer e.g., SiO2 (silicon dioxide), SiNx (silicon nitride), SiON (silicon oxynitride) or multi-layered manoeuvered such that the but, is not limited.

A source electrode (125) and drain electrode (126) are interlayer dielectric (124) spaced apart from each other on disposed thereon. A source electrode (125) and drain electrode (126) each of the interlayer insulating film (124) on a gate insulating film (122) via the through semiconductor layer (121) can be connected.

Planarization film (140) has a source electrode (125) and drain electrode (126) on the pair of substrates. Planarization film (140) bank (150) defined by an anode electrode (161) are arranged flat membrane are disclosed. Planarization film (140) acrylic photoresist (photo acryl) and polyimide (polyimide) resin (resin) such as can be formed.

Organic light-emitting device (160) are planarization film (140) on the pair of substrates. Organic light-emitting device (160) each of the anode electrode (161), the organic light emitting layer (163), and a cathode electrode (165) having a predetermined wavelength.

An anode electrode (161) are planarization film (140) on the pair of substrates. An anode electrode (161) each of the planarization film (140) through the drain electrode through the first contact hole (126) connected with each other.

Bank (150) includes an anode electrode (161) are for separating the substrate. Bank (150) includes an anode electrode (161) patterned each are formed on the base. Bank (150) is e.g., polyimide resin (polyimides resin), acrylic resin (acryl resin), benzo gap claw view [theyn (BCB) such as organic semiconductor layer but, is not limited. In addition, bank (150) has light comprising a material capable of absorbing disapproval.

The organic light emitting layer (163) is the anode electrode (161) and bank (150) on the pair of substrates. The organic light emitting layer (163) (hole transporting layer) each hole transportation layer, light emitting layer (light emitting layer), comprising substrate side (electron transporting layer) can be. In this case, an anode electrode (161) cathode electrode (165) and the electrons when the voltage is applied to each hole transport layer electron transport layer and traveling in a light emitting layer, in a light emitting layer are bonded to each other is equal to emit light.

The organic light emitting layer (163) may contain only a white light emitting layer emitting the white light and, in this case white light emitting layer formed on the front surface of display area (DA) ([...]) but, not limited to a composite.

Cathode electrode (165) the organic light-emitting layer (163) and bank (150) covers the organic light emitting layer (163) and bank (150) on the pair of substrates. Cathode electrode (165) include metallic materials can be used low workfunction of a very thin thickness.

Organic light emitting display device includes a top light emitting (top emission) can be method for monitoring. The organic light emitting layer in electro luminescence (163) of light upper substrate (180) the direction light, thin film transistor (120) banks are (150) and an anode electrode (161) below can be widely provided. I.e., thin film transistor over the lower light emitting (bottom emssion) electro luminescence device (120) is advantageous in that the pin is the design of the capacitor. In addition, anode electrode in a micro-cavity (micro cavity) to obtain effect electro luminescence (163) are aluminum, and aluminum laminated structure including a metallic material such as ITO and high reflectivity is formed preferably. Further, the organic light emitting layer in electro luminescence (163) of light upper substrate (180) is light emitting direction, cathode electrode (165) can be further includes ITO, IZO is made transparent material such as, or magnesium (Mg), is (Ag), or magnesium (Mg) and silver (Ag) semitransparent metal material such as can be.

Sealing film (155) the cathode electrode (165) on the pair of substrates. Sealing film (155) comprises an organic luminescent layer (163) cathode electrode (165) serves to prevent oxygen or moisture permeable of the week. To this end, sealing film (155) comprises at least one inorganic layer can be at least one organic layer. However, composite which are not limited to, cathode electrode (165) on sealing film (155) not with disapproval. In this case, transparent adhesion layer (170) sealing film (155) in place, the organic light emitting layer (163) cathode electrode (165) and prevent oxygen or moisture permeable, lower substrate (110) of flat on a system on a chuck.

Transparent adhesion layer (170) lower substrate (110) and the top substrate (180) between the pair of substrates. Lower substrate (110) and the top substrate (180) transparent adhesion layer (170) preheated by other. Transparent adhesion layer (170) be a transparent adhesive resin.

Upper substrate (180) color filter (CF: Color Filter) are combined with each other. The color filters (GC, RC, BC) lower substrate (110) and opposite upper substrate (180) one side of the pair of substrates. The color filters (GC, RC, BC) the organic light-emitting display panel (100) are used to implement in color. Organic light-emitting device (160) (GC, RC, BC) the color filters have light emitted from the top through to form with each other.

The color filters (GC, RC, BC) (GC) color filter number 1, number 2 (RC) color filter, color filter number 3 (BC) having a predetermined wavelength. Color filter number 1 (GC) (GE) light emitting region and a beam splitter is number 1, number 2 color filter (RC) the number 2 (RE) light emitting region and a beam splitter, the number 3 number 3 color filter (BC) a beam splitter (BE) can be light-emitting region. In this case, the green color filter and color filter (GC) number 1, number 2 (RC) is a red color filter and color filter, color filter includes a blue color filter be a number 3 (BC).

One example of the present invention according to number 1 number 2 (BC) on color filter (GC) number 3 (RC) spaced apart from each other through a color filter includes a color filter disposed thereon. , the number 2 and number 3 (GE) number 1 (BE) (RE) light emitting region emitting region emitting region and an outer spaced disclosed.

Upper substrate (180) on the polarizing plate (185) can be attached. Polarizing plate (185) the external lower substrate (110) cathode electrode of (165) and an anode electrode (161) to prevent being reflected by the user with the micrographs. I.e., of the present invention in the embodiment includes a top substrate (180) on the polarizing plate (185) obtained, due to exterior light emitting regions (RE, GE, BE) lower visibility of the displaying video can be prevent.

Additionally, the color filters (GC, RC, BC) installed between the adhesion layer (170) between the upper substrate (180) for having to planarize an over coating layer having a can be. In addition, over coating (187) on the lower substrate (110) and an upper substrate (180) to maintain constant contact with the unit pixel (Cell gap) between column for can be. However, composite which are not limited to, transparent adhesion layer (170) over the spacer to be able to remove and columns in place, lower substrate (110) and an upper substrate (180) unit pixel (Cell gap) between the base can maintain.

The light-emitting regions for conventional interlayer dielectric, black matrix (black matrix) light-emitting region (NEA) a signal is activated. However, a head mounted display (Head Mounted Display, HMD) organic light emitting display device of the existing method compresses, first panel door number non-luminous territory by black matrix are a cross pattern can be as well. In order to solve the same, black matrix light emitting regions and light emitting green light emitting region adjacent surfaces when number of molecular organic between region can be generated.

Specifically, each of the color filter transmits only light of a specific wavelength, the remaining light in a wavelength is an absorption properties. In this case, green or blue color filter transmitting light of a red color filter passes through the tropics. I.e., green or blue color filters red color filter transmits light in a wavelength absorbed since, a red color filter and green color filter or a red color filter and a blue color filter information database is not the molecular organic.

While, blue green color filter transmits light in a wavelength transmitting through the color filter substrate. I.e., light in a wavelength absorbed by the blue color filter is a green color filter is transmitted without, blue emitting region blue color filter transmits light emitting therefrom. In this case, green and blue light color emitting blue light emitting region is mixed with each other.

In addition, a blue color filter transmits green light in a wavelength transmitting through the color filter substrate. I.e., light in a wavelength absorbed by the blue color filter is transmitted without the green color filter, a green color filter are matched by the green light emitting region. In this case, green luminescent region is blue and the green light-emitting white light mixed with each other.

According to described above, green color filter and a blue color filter when adjacent, is mixed with a green display panel brightness control signals and the molecular organic can be generated.

However, emitting a green light (L1) of the present invention in the embodiment is number 1 (GE) and blue light-emitting region emitting red light (L2) (L3) number 3 (BE) light emitting region emitting light emitting region is spaced apart from each other and an outer number 2 (RE) disposed thereon. The, black matrix surfaces while number, number 1 and number 3 (GE, BE) molecular organic light emitting regions to prevent process from an upper. In addition, since the black matrix of the present invention in the embodiment has a number back, door number appears to improve non-luminous territory are grating pattern can be, improve the reliability of the display panel can be.

Figure 5 shows a plane view of Figure 2 is shown another example of the display area are disclosed. This, in one example of the present invention described with reference to a also 3, number 4 and further comprises a light-emitting region, the light-emitting region is changed in arrangement of relationship are disclosed. Thus, a drawing code have the same configuration are identical to, each configuration wherein local material and structures described a part opposite to the first substrate.

The reference also 5, according to another example of the present invention light emitting regions (GE, RE, BE, XE) number 1 (GE) the light emitting region, the light-emitting region (RE) number 2, number 3 and number 4 (BE) (XE) light emitting region comprises a light-emitting region. The number 1 and number 2 and number 3 (GE) light emitting region emitting region emitting region (BE) (RE) number 4 (XE) spaced apart from each other and an outer light-emitting region disposed thereon. . Number 1 and number 3 (GE) light emitting region emitting region (BE) (direction of arrow on the drawing) parallel the diagonally disposed thereon.

Specifically, number 1 (C1) direction (Y axis direction) of the display area (DA) heat (X axis direction) number 1 and number 2 perpendicular direction a plurality of light emitting region emitting region are arranged a plurality of number 2 and number 3 (BE) (RE) can be. Respective ones of the plurality of number 3 (BE) each of the plurality of number 2 (RE) light emitting region emitting region can be alternately arranged. The number 2 and number 3 (BE) direction (X axis direction) (RE) light emitting region emitting region number 2 can be arranged parallel.

Number 1 (C1) (C2) that is adjacent the heat is a plurality of light emitting region (X axis direction) heat number 2 number 2 direction a plurality of number 1 and number 4 (XE) (GE) can be deployed in a light emitting region. Respective ones of the plurality of number 4 (XE) each of the plurality of number 1 (GE) light emitting region emitting region can be alternately arranged. Number 1 and number 2 number 4 (GE) direction (X axis direction) the light emitting region (XE) light emitting region can be arranged parallel. In this case, the light-emitting region (XE) number 1 (C1) number 4 (BE) and heat can be disposed adjacent the light emitting region disposed number 3. The light-emitting region (GE) number 1 number 1 number 2 (RE) heat (C1) can be disposed in proximity to the light emitting region. , the number 1 and number 2 and number 3 (GE) light emitting region emitting region emitting region emitting region (BE) (RE) (XE) number 4 (direction of arrow on the drawing) and an outer tube diagonally disposed parallel can be. , the number 2 and number 3 number 1 (GE) light emitting region emitting region emitting region (BE) number 4 (RE) and light-emitting region spaced apart by a predetermined distance (X) and an outer (XE) can be.

Number 1 to number 4 of the present invention the above-described light emitting regions as to one pixel (P) (GE, RE, BE, XE) can be defined. In this case, number 4 (XE) light emitting region emitting red light emitting region (RE) can be equal to the number 2.

Another example of the present invention emitting green light and blue light-emitting region emitting light emitting region (GE) number 1 number 3 and number 4 (RE) is number 2 (BE) light emitting region emitting region spaced apart by a predetermined distance (X) and an outer (XE) because, while number back black matrix, number 1 and number 3 (GE, BE) molecular organic light emitting regions to prevent process from an upper. The, door number appears to improve non-luminous territory are grating pattern can be, improve the reliability of the molecular organic light emitting regions between adjacent line so that both can be.

6A and 6b 06 head mounted display according to an embodiment of the present invention also includes an exemplary drawing also are disclosed. Figure 8 shows a display case of Figure 6 and 7 also show one example of an exemplary surface also are disclosed.

The reference 6a and 6b may also, according to an embodiment of the present invention head mounted display (HMD) the display case (10), the right eye lens (20a) on the first and second lens (20b), and head mounting band (30) having a predetermined wavelength.

Display case (10) is formed on surface of device, eye lens (20a) on the first and second lens (20b) Image display device number [...] substrate. Display device is an organic light emitting display device according to an embodiment of the present invention implementation being. Organic light emitting display device according to an embodiment of the present invention are described comprise 2 to 5 also is also associated with a previously in front.

Display case (10) includes a projector lens (20a) on the first and second lens (20b) Image [...] can be designed the same number. Or, the right eye lens (20a) is configured is presented and right lens (20b) the display is designed to be right.

Display case (10) such as also in eye lens 7 (20a) arranged in front of the right eye organic light emitting display device (11) on the first and second lens (20b) arranged in front of the combines the organic light emitting display device (12) can be accepted. 7 Also is display case (10) of when viewed on a cross-sectional drawing is shown disclosed. The right eye organic light emitting display device (11) is configured to display, for the right organic light emitting display device (12) can be is combines the Image. Thereby, the right eye organic light emitting display device (11) is configured for displaying on the eye lens (20a) to the user via the left eye (40) are shown to, combines the organic light emitting display device (11) further Image is displayed first and second lens (20b) through a user and right eye (50) can be shown.

Display case (10) 8 also such as in eye lens (20a) on the first and second lens (20b) arranged in front of the mirror reflector (13) and the mirror reflector (13) which is arranged on the organic light emitting display device (14) can be accepted. 8 Also is display case (10) of a cross-sectional drawing when viewed laterally next is shown disclosed. Organic light emitting display device (14) includes a mirror reflector (13) display images and to direction, specular reflectance plate (13) the organic light emitting device (14) an Image of the eye lens (20a) on the first and second lens (20b) direction surfaces of substrate. Thereby, organic light emitting display device (14) the Image on the display projector lens (20a) on the first and second lens (20b) to 1308. ball number. In Figure 8 is for facilitating description so as to lens (20a) the left eye of a user (40) only was shown.

Display case (10) is one side of the eye lens (20a) on the first and second lens (20b) has a flat portion. The right eye lens (20a) on the first and second lens (20b) the display case (10) can be contacts are formed on the base. The right eye lens (20a) the left eye of a user (40) and is, further lens (20b) is a user and right eye (50) can be located.

The right eye lens (20a) on the first and second lens (20b) each be a convex lens. In this case, eye lens (20a) on the first and second lens (20b) by display case (10) can be enlarged Image on the display allows the user to view. Or, the right eye lens (20a) on the first and second lens (20b) each display case (10) is not a function for display magnification or reduction may be filled.

Head mounting band (30) the display case (10) secured to. Head mounting band (30) is the user's head may surround both sides top toward a light guiding plate is exemplified but, is not limited. Head mounting band (30) for fixing a head of head mounted display for the user, in the form of a helmet or in eyeglass frame disapproval.

On the other hand, immediately in front of the eyes are series-conventional head mounted display user state in organic light emitting display device, such as door number 1 are grating pattern non-luminous territory also appears to flow tides. However, the black matrix is the number of the present invention in the embodiment and upholstery, green light and blue light spectrum of the light emitting region (GE) number 1 number 3 (BE) emitting yellow light is light emitting region number 2 (RE) spaced apart from each other and an outer light-emitting region disposed thereon. The, number and back surfaces are slanted head mounted display according to an embodiment of the present invention because, organic light emitting display device are shown in the shape of non-luminous territory can be prevent. In addition, at the pixels without, number 1 and number 3 (GE, BE) prevent an upper molecular organic light emitting regions can be, improve the reliability of the display panel can be.

The present invention refers to appended drawing and positive examples than not limited to the aforementioned embodiment, of the present invention within a range that the technical detail from a heavy various substituted, deformation and it is apparent that the present invention is to in plan is provided to the person with skill in the art will. Therefore, the range of the present invention are represented by carry claim, in which the meaning of claim some general outline of the form of the present invention all changing or modified equivalent thereof and range range should interpreted.