CN206258659U - Display device - Google Patents

Abstract

The utility model provides a kind of display device,Including unit pixel,The unit pixel has the first sub-pixel for showing different colours respectively,Second sub-pixel,3rd sub-pixel and the 4th sub-pixel,First sub-pixel,Second sub-pixel,3rd sub-pixel and the 4th sub-pixel include the first section of the gray scale for showing 3 bits respectively,Second section and the 3rd section,First section is that have the first side,Second side,3rd while and quadrangle when the 4th region,Second section is located at the side of the geometric center than first section closer to the unit pixel,And be along the intersection of first section described first while and the when described second and region of L shape that is formed,3rd section is located at than first section further from the side of the geometric center,And be along the intersection of first section the described 3rd while and when the described 4th and region of L shape that is formed.

Description

Display device

Cross-Reference to Related Applications

The application is based on and requires to enjoy in the Japanese patent application NO.2015-234788 of the submission of on December 1st, 2015, Japanese patent application NO.2015-234789, the Japanese patent application of the submission of on December 1st, 2015 that on December 1st, 2015 submits to The benefit of priority of the Japanese patent application NO.2016-195668 that on October 3rd, NO.2015-234790 and 2016 submits to, Entire contents are hereby expressly incorporated by reference.

Technical field

Implementation method of the present utility model is related to a kind of display device.

Background technology

In recent years, propose there are the various so-called MIP for employing and there is the memory portion that data can be stored up to pixel internal storage (Memory In Pixel：In-pixel memory) mode display device.As the expressing gradation side in such display device Formula a, it is known to pixel is divided into the combination of multiple regions (section) and the area for passing through these regions to realize that gray scale shows The area gray level method shown.

In area gray level method, the pixel electrode of corresponding shape is respectively configured in the region being partitioned into.The pixel electrode Area (area of section) have size corresponding with the gray scale that should be shown.However, when in order to realize many gray scales and in each list When increasing section quantity in the pixel of position, may complicate the shape of section, configuration.

Utility model content

According to present embodiment, there is provided a kind of display device, the display device includes unit pixel, the unit pixel With the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel that show different colours respectively, first son Pixel, second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel include the gray scale for showing 3 bits respectively The first section, the second section and the 3rd section, first section be have first while, second while, the 3rd while and when the 4th Quadrangle region, second section be located at than first section closer to the one of the geometric center of the unit pixel Side, and be along the intersection of first section described first while and the when described second and region of L shape that is formed, institute State the 3rd section to be located at than first section further from the side of the geometric center, and be along first section The described 3rd for intersecting while and the region of L shape that is formed when the described 4th.

According to present embodiment, it is also possible to which the display device also includes：Pixel electrode, respectively positioned at firstth area Section, second section and the 3rd section；And image element circuit, to pixel electrode supply and binary gray scale pair Any current potential in the signal potential answered.

According to present embodiment, it is also possible to respectively with first section, second section and the 3rd section pair The image element circuit answered is arranged along a first direction, each in first section, second section and the 3rd section In, the pixel electrode is electrically connected with the connecting portion of the image element circuit in the same straight line along the first direction On.

According to present embodiment, it is also possible to which first sub-pixel and second sub-pixel occupy the unit picture respectively The first area in element, the first face in the 3rd sub-pixel and unit pixel described in the 4th sub-pixel difference occupation ratio The big second area of product.

According to present embodiment, it is also possible in first sub-pixel and second sub-pixel, along a first direction Length it is more long than length along the second direction intersected with the first direction, in the 3rd sub-pixel and the 4th son In pixel, the length along the first direction is shorter than length along the second direction.

According to present embodiment, it is also possible to which first sub-pixel and second sub-pixel show green and red respectively Color, the 3rd sub-pixel and the 4th sub-pixel show blue and white respectively.

According to present embodiment, it is also possible to which the display device also includes：The first light shielding part with the first width, is located at Between first sub-pixel and second sub-pixel and the 3rd sub-pixel and the 4th sub-pixel, and along first Direction extends；And the second light shielding part with the second width, positioned at first sub-pixel and the 3rd sub-pixel and institute State between the second sub-pixel and the 4th sub-pixel, and extend along the second direction intersected with the first direction, it is described First width is different from second width.

According to present embodiment, it is also possible to which first width is more than second width.

According to present embodiment, it is also possible to the area ratio of first section, second section and the 3rd section It is 1：2：4.

According to present embodiment, it is also possible to the region of the quadrangle of first section and second members It is the similar shape in the region of the quadrangle of first section.

According to present embodiment, it is also possible to which first section, second section and the 3rd members are formed Quadrangle region be first section quadrangle region similar shape.

According to present embodiment, it is also possible to which first sub-pixel and second sub-pixel occupy the unit picture respectively The first area in element, the 3rd sub-pixel and the 4th sub-pixel occupy respectively in the unit pixel with described The different second area of one area, the position at the brightness center of the unit pixel substantially phase in the state of each gray scale is shown Together, it is and different from the position of the geometric center of the unit pixel.

According to present embodiment, it is also possible to which the unit pixel is formed as quadrangle, and the position of the geometric center is institute State two positions of cornerwise intersection point in quadrangle.

According to present embodiment, it is also possible to which the display device also includes：First boundary line, positioned at first sub-pixel Between the 3rd sub-pixel and between second sub-pixel and the 4th sub-pixel, and prolong in the first direction Stretch；And the second boundary line, between first sub-pixel and second sub-pixel and positioned at the 3rd sub-pixel Between the 4th sub-pixel, and along the second direction extension intersected with the first direction, the geometric center and described Brightness is centrally located on the second boundary line.

According to present embodiment, it is also possible to the position at the brightness center and first boundary line and the second boundary The intersection point of line is roughly the same.

According to present embodiment, it is also possible to first sub-pixel, second sub-pixel, the 3rd sub-pixel and institute State the 4th sub-pixel has respectively：Electrode group, by being located at first section, second section and the 3rd section respectively The first pixel electrode, the second pixel electrode and the 3rd pixel electrode constitute；And circuit group, by respectively with first pixel First image element circuit of electrode, second pixel electrode and the 3rd pixel electrode electrical connection, the second image element circuit and the Three image element circuits are constituted, the part of the electrode group of first sub-pixel under top view from first sub-pixel The positional deviation that circuit group is overlapped.

According to present embodiment, it is also possible to a part for the electrode group of first sub-pixel and first sub-pixel Circuit group with and region between the circuit group of adjacent other sub-pixels of first sub-pixel overlap.

According to present embodiment, it is also possible to a part for the electrode group of first sub-pixel and and first sub-pixel The circuit group of other adjacent sub-pixels is overlapped.

According to present embodiment, it is also possible to first pixel electrode, second pixel electrode and the 3rd pixel The respective at least a portion of electrode is arranged in the first direction, first image element circuit, second image element circuit and described Three image element circuits are each respectively formed as the length along the first direction than along second intersected with the first direction The short region of the length in direction, and being arranged along the first direction, the electrode group of first sub-pixel is relative to described the The circuit group of one sub-pixel deviates along the second direction.

According to present embodiment, it is also possible to the connection for connecting first pixel electrode and first image element circuit Deviate along the second direction from the central portion of first image element circuit in portion.

According to present embodiment simple and compactly, using the teaching of the invention it is possible to provide a kind of to be configured in the composition for applying area gray level method There is the display device of the section in each pixel.

Brief description of the drawings

Fig. 1 is the figure of the configuration example for representing display device DSP.

Fig. 2 is the figure of the configuration example for representing the section SG shown in Fig. 1.

Fig. 3 is the figure of the timing diagram for representing the action for illustrating the section SG for applying MIP modes.

Fig. 4 is the figure in the section for representing display panel PNL.Here, only illustrate needing the composition of explanation.

Fig. 5 is the figure in the section for representing the first substrate SUB1 shown in Fig. 4.

Fig. 6 is the figure of the first configuration example for representing unit pixel PX.

Fig. 7 is a figure for example of the layout for representing image element circuit CR corresponding with each section shown in Fig. 6.

Fig. 8 is a figure for example of the annexation for representing pixel electrode PE and image element circuit CR.

Fig. 9 is the figure of the state that the gray scale in the first configuration example for represent present embodiment shows.

Figure 10 is in the unit pixel PX for represent the composition shown in Fig. 6, pixel electrode PE and image element circuit CR connection The figure of other examples of relation.

Figure 11 is the figure of the second configuration example for representing unit pixel PX.

Figure 12 is the figure at the brightness center of the unit pixel PX in the case of representing whole section in an ON state.

Figure 13 is in the unit pixel PX for represent the composition shown in Figure 11, pixel electrode PE and image element circuit CR connection One figure of example of relation.

Figure 14 is the figure of the state that the gray scale in the second configuration example for represent present embodiment shows.

Figure 15 is the figure at the brightness center for representing the unit pixel in the case of the gray value L1 illustrated in Figure 14.

Figure 16 is the figure at the brightness center for representing the unit pixel in the case of the gray value L4 illustrated in Figure 14.

Figure 17 is the figure of other examples of the layout for representing image element circuit CR.

Figure 18 is the pixel electricity shown in the unit pixel PX for represent the composition shown in Figure 11, pixel electrode PE and Figure 17 One figure of example of the annexation of road CR.

Figure 19 is the figure of other examples of the annexation for representing the image element circuit CR shown in pixel electrode PE and Figure 17.

Figure 20 is the figure of the configuration example for representing light shield layer BM.

Figure 21 is the figure of the 3rd configuration example for representing unit pixel PX.

Figure 22 is the figure of the comparative example for representing unit pixel PX.

Specific embodiment

Hereinafter, present embodiment is illustrated referring to the drawings.It should be noted that the disclosure is only shown for one Example, the appropriate change being readily apparent that in the range of purport of the present utility model for a person skilled in the art is also included certainly Within the scope of the utility model.In addition, accompanying drawing sometimes for make explanation more clear and to each compared with actual mode Width, thickness, the shape in portion etc. schematically represented, its only example, and explains this reality in non-limiting manner With new.In addition, in this specification and Ge Tu, or class identical for the part performance described in the figure for having occurred As function constituting portion minute mark note identical reference, it is sometimes appropriate to omit the detailed description for repeating.

In the present embodiment, as an example of display device, liquid crystal display device is disclosed.Display device example If for smart mobile phone, the board terminal that writes, mobile telephone terminal, personal computer, radiovisor, car-mounted device with And the various devices such as game station.Additionally, disclosed main composition can also be applied to Organic Electricity in the present embodiment The display device of the emissive type of photoluminescence (EL) display element, the display device of the electronic paper-type with electrophoresis element etc., should With MEMS (Micro Electro Mechanical Systems：MEMS) display device or apply electricity Display device of mutagens color etc..

Fig. 1 is the figure of the configuration example for representing display device DSP.In the example in the figures, display device DSP includes display surface Plate PNL, drive division DR etc..

Display panel PNL includes the viewing area DA of display image and surrounds the non-display of the border shape of viewing area DA Region NDA.Display panel PNL viewing area DA include holding wire SL, control line CL, unit pixel PX, for transmit not Wiring, power line of various voltages of diagram etc..Many signal line SL X arrangements in the first direction.A plurality of control line CL is along with the The second direction Y arrangements that one direction X intersects.Multiple unit pixel PX put down by first direction X and the predetermined X-Y of second direction Y It is in rectangular arrangement in face.

Unit pixel PX is the least unit for constituting coloured image.Refer to aftermentioned, unit pixel PX is by multiple sub-pixel P structures Into.In one example, a unit pixel PX includes that the red sub-pixel of display, the sub-pixel of display green and display are blue The sub-pixel of color is used as sub-pixel P.In addition, unit pixel PX can also include outside three kinds of above-mentioned sub-pixels of color Display white waits the sub-pixel of other colors.Each sub-pixel P is made up of multiple sections (below, being also only called pixel sometimes) SG. Section SG includes the image element circuit CR being connected with control line CL and holding wire SL and the pixel electrode being connected with image element circuit CR PE.Pixel electrode PE has and section SG same shapes.In other words, the area of section SG refers to top view pixel When pixel electrode PE setting area.It is provided with the region and the region for contributing to display of section SG or pixel electrode PE Quite.

Such display panel PNL is included as by making exterior light, fill-in light from display surface The reflection of the incident incident light reflective display function of display image by the pixel electrode PE selective reflectings of each section SG in side Type.Additionally, display panel PNL can include being selected in each section SG by making the light of the backlight unit from other configuration Property transmission and the transmission-type of the transmission display function of display image, or including transmit display function and reflective display work( The semi-transmission-type (transflective) of energy.

Drive division DR includes holding wire drive division D1 and control line drive division D2.Drive division DR can be formed at display surface The non-display area NDA of plate PNL, can be built in be installed on display panel PNL IC chip, can also be formed at and show Show the flexible printed circuit substrate of panel PNL connections.

Holding wire SL is connected with holding wire drive division D1 respectively.Holding wire drive division D1 for example will be corresponding with predetermined gray scale Signal potential exported to corresponding holding wire SL.Control line CL is connected with control line drive division D2 respectively.Control line drive division D2 will be exported towards the control signal of the write activity of section SG for control signal current potential to corresponding control line CL.Additionally, Drive division DR can also produce circuit, power circuit etc. including driving opportunity.

Fig. 2 is the figure of the configuration example for representing the section SG shown in Fig. 1.In the present embodiment, section SG has and employs So-called MIP (Memory In Pixel including the memory portion of the data such as picture element signal can be stored up to pixel internal storage：Pixel Built-in storage) mode composition.According to such composition, memory portion that can be in pixel stores binary data (logic " 1 "/logical zero), the on-state and off-state of section SG are realized based on the binary data.In addition, passing through area Identical or different multiple section SG constitute a sub-pixel P, by the combination of the on/off of above-mentioned multiple section SG Area to make on-state changes.So, each sub- picture is realized by the difference of the area of each section of on-state Gray scale in element shows.The expressing gradation mode is also referred to as area gray level method.Here, " area gray level method " refers to, as one Individual example, by the area ratio of pixel electrode according to 2⁰、2¹、2²、…、2^n-1N number of section that such situation is weighted Manifest 2 in SGⁿThe expressing gradation mode of individual gray scale.Additionally, the area actually phase of section SG described in the present embodiment When in the area of the pixel electrode PE set in each section SG.In other words, " area of section SG " can also be referred to as " pixel electricity The area of pole PE ".

In the case of in memory display mode, the data kept using memory portion, therefore need not be in frame The write activity of the signal potential of reflection gray scale is performed in cycle.Therefore, the situation of memory display mode can reduce display The consumption electric power of device.

Additionally, there are the such requirement of the part for wanting only to be rewritten as in the display picture shown in the DA of viewing area. In this case, the signal potential of pixel is rewritten in part.That is, only to rewrite need pixel transmission data, no Need to the pixel transmission data do not rewritten.Thus, it is possible to reduce volume of transmitted data, therefore also have and can realize display Advantage as the further saving electrification of device.

As illustrated, a section SG includes liquid crystal capacitance CLC and image element circuit CR.Liquid crystal capacitance CLC refers in picture The capacitive component of the liquid crystal layer LC produced between plain electrode PE and public electrode CE.Pixel electrode PE is located at each section SG, with Image element circuit CR is electrically connected.Public electrode CE is relative with multiple pixel electrode PE.Apply common electric voltage to public electrode CE Vcom。

Image element circuit CR includes three switch SW1~SW3 and latch portion LT.

Switch SW1 is for example made up of NchMOS transistors.Switch SW1 one end be connected with holding wire SL, the other end and lock Deposit portion LT connections.Control signal of the opening and closing of SW1 by being supplied from control line CL is switched to control.That is, switch SW1 is by from Fig. 1's Control line drive division D2 is given control signal φ V and turns into connection (closure) state via control line CL, obtains the letter from Fig. 1 Data (signal potential corresponding with gray scale) SIG that number line drive division D1 is supplied to via holding wire SL.

Latch portion LT includes the inverter IV1 and IV2 of direction facing opposite to each other ground arrangement connection.Inverter IV1 with And IV2 is each for example made up of cmos invertor.Latch portion LT constitutes above-mentioned memory portion, and pair is obtained with by switching SW1 The corresponding current potentials of data SIG kept (locking).

Switch SW2 and SW3 is for example formed by connecting in a juxtaposed fashion by NchMOS transistors and PchMOS transistors respectively Change-over switch constitute, but can also be constituted using the transistor of other compositions.Switch SW2 one end be given with it is public Voltage Vcom anti-phase voltage XFRP.The voltage FRP with common electric voltage Vcom with phase is given in one end of switch SW3.Switch The respective other ends of SW2 and SW3 are connected to each other, and are electrically connected with pixel electrode PE, the output node as image element circuit CR Nout.Switch SW2 and SW3 is turned on either one according to the polarity of the holding current potential of latch portion LT.Thus, relatively In the pixel electrode PE of the liquid crystal capacitance CLC for applying common electric voltage Vcom to public electrode CE, apply with phase voltage FRP or Anti-phase voltage XFRP.

Fig. 3 is the figure of the timing diagram for representing the action for illustrating the section SG for applying MIP modes.Here, to apply By being illustrated in case of the normally black mode for not showing black to the state of liquid crystal layer LC applied voltages.

In image element circuit CR, given under the opportunity of control signal φ V to switch SW1, acquisition is supplied to holding wire SL Data SIG, keep the corresponding current potentials of data SIG with acquisition in latch portion LT.Obtaining the data equivalent to logical zero In the case of SIG, the holding current potential of latch portion LT turns into negative polarity.In this case, switch SW2 is in and disconnects (opening) shape State, switch SW3 is in (closure) state of connection, and the voltage FRP with common electric voltage Vcom with phase is applied to pixel electrode PE.By This, the pixel potential of pixel electrode PE turns into equal with the common electric voltage Vcom of public electrode.Therefore, will not be applied to liquid crystal layer LC Making alive, section SG display black.

On the other hand, in image element circuit CR, in the case where the data SIG equivalent to logical one is obtained, latch portion The holding current potential of LT turns into positive polarity.In this case, switch SW3 is in (opening) state of disconnection, and switch SW2 is in and connects (closure) state, applies and common electric voltage Vcom anti-phase voltage XFRP to pixel electrode PE.Thus, in the picture of pixel electrode PE Potential difference is produced between plain current potential and the common electric voltage Vcom of public electrode.In other words, to liquid crystal layer LC applied voltages.Cause This, modulation passes through the light of liquid crystal layer LC, and because one part contributes to display, therefore section SG display whites.

In one example, section SG shows the off-state of the state equivalent to section SG of black, and section SG shows in vain On-state of the state of color equivalent to section SG.

So, in the composition for applying MIP modes, the polarity of the holding current potential according to latch portion LT and make switch SW2 It is turned on either one in SW3, is thus applied with the voltage FRP or anti-phase voltage of phase to pixel electrode PE XFRP.In other words, image element circuit CR supplies any in signal potential corresponding with binary gray scale to pixel electrode PE Current potential.Thus, constant voltage is applied in all the time in section SG, therefore, it is possible to suppress shade.

Additionally, in above-mentioned example, SRAM (Static Random are used as section SG built-in memory Access Memory：Static RAM) in case of be illustrated, but be not limited to the example, it is also possible to apply DRAM(Dynamic Random Access Memory：Dynamic random access memory) etc. other composition.

Next, being illustrated to the configuration example of the display panel PNL of reflection-type.

Fig. 4 is the figure in the section for representing display panel PNL.Here, the composition required for only illustrating explanation.

Display panel PNL includes first substrate SUB1, second substrate SUB2, liquid crystal layer LC and optical element OD.

First substrate SUB1 is including the first insulated substrate 10, pixel electrode PE and first orientation film AL1 etc..Though additionally, Not shown, first substrate SUB1 also includes above-mentioned pixel outside the various wirings such as the control line CL shown in Fig. 1, holding wire SL Circuit CR etc..Pixel electrode PE is located at the side relative with second substrate SUB2 of the first insulated substrate 10.Pixel electrode PE phases When the reflecting layer in reflecting electrode, and including being formed by the metal material with light reflective such as aluminium, silver.First orientation film AL1 Covering pixel electrode PE.

Second substrate SUB2 includes the second insulated substrate 20, light shield layer BM, color filter layers CF, external coating OC, public Electrode CE and second orientation film AL2 etc..Light shield layer BM is located at relative with first substrate SUB1 of the second insulated substrate 20 Side.In the example in the figures, the gap between light shield layer BM and adjacent pixel electrode PE is relative.Color filter layers CF is located at The side relative with first substrate SUB1 of the second insulated substrate 20, a part and the light shield layer BM weights of color filter layers CF It is folded.Though not describing in detail, color filter layers CF includes red color filter piece, green colored filter and blue color filter Piece.Red color filter piece is configured at the red sub-pixel of display.Green colored filter is configured at the sub-pixel of display green. Blue color filter is configured at the blue sub-pixel of display.Additionally, color filter layers CF can also include that white waits other The colored filter or hyaline layer of color.External coating OC covering color filter layers CF.Public electrode CE is located at external coating OC The side relative with first substrate SUB1.Public electrode CE is relative with multiple pixel electrode PE.Public electrode CE is by indium tin oxygen The transparent conductive materials such as compound (ITO), indium-zinc oxide (IZO) are formed.Second orientation film AL2 covering public electrodes CE.

Additionally, in second substrate SUB2, it is also possible to use and showing the boundary layer of the sub-pixel of different colours each other The composition of multiple colored filters of folded different colours.Thereby, it is possible to make the decrease in transmission of boundary member, therefore, it is possible to omit Light shield layer BM.Color filter layers CF is omitted in the display panel PNL of monochromatic display type.

Liquid crystal layer LC is maintained between first substrate SUB1 and second substrate SUB2, comprising positioned at first orientation film AL1 With the liquid crystal molecule LM between second orientation film AL2.

Optical element OD is located at the opposition side in the face connected with liquid crystal layer LC of second substrate SUB2.Optical element OD is for example Including scattering layer FS, polarizer RT and Polarizer PL etc..Scattering layer FS is adhered to the second insulated substrate 20, polarizer RT Scattering layer FS is laminated in, Polarizer PL is laminated in polarizer RT.Additionally, the composition of optical element OD is not limited to the example of diagram Son.

Scattering layer FS is the anisotropic scattering layer for making the scatter incident light from specific direction.In the example in the figures, Scattering layer FS has and passes through with hardly scattering and make specific direction for the incident light from the light source LS sides in figure, in other words Say the function of the reflection light diffusing in pixel electrode PE.Additionally, scattering layer FS is for expanding range of scatter, prevent the mesh such as iris And expect stacking multi-disc.Polarizer RT has as the function of 1/4 wavelength plate.In one example, polarizer RT is The layered product that 1/4 wavelength plate and 1/2 wavelength plate are laminated, reduces wavelength dependency, in the utilized wavelength model of colour display Enclose the middle desired phase difference of acquisition.

In such display panel PNL, the side near light source LS is equivalent to display surface side.In the example in the figures, The surface of optical element OD equivalent to display surface, but in the case where having The lid component to the surface configuration of optical element OD, lid structure The surface of part is equivalent to display surface.

Above-mentioned section in an ON state in the case of, be injected into the light of display panel PNL by pixel from light source LS By liquid crystal layer LC after electrode PE reflections, and through optical element OD.Therefore, in an on state, white or color is shown The color of colo(u)r filter layer CF.On the other hand, in the case where section is off, display panel is injected into from light source LS The light of PNL passes through liquid crystal layer LC after being reflected by pixel electrode PE, and is absorbed by optical element OD.Therefore, in off-state Under, show black.

Fig. 5 is the figure in the section for representing the first substrate SUB1 shown in Fig. 4.Here, show the switch SW1 shown in Fig. 2, with And the section of the node electrodes EN as output node Nout and pixel electrode PE.

That is, switch SW1 includes and semiconductor layer SC, gate electrode GE and the first electrode E11 suitable with source electrode and drain electrode And second electrode E12.Semiconductor layer SC is located on the first insulated substrate 10, is covered by the first dielectric film 11.Gate electrode GE position On the first dielectric film 11, covered by the second dielectric film 12.First electrode E11 and second electrode E12 is located at the second insulation On film 12, contacted with semiconductor layer SC respectively, and covered by the 3rd dielectric film 13.Gate electrode GE, first electrode E11 and Two electrode E12 are electrically connected with the control line CL shown in Fig. 2, holding wire SL and latch portion LT respectively.

Node electrodes EN is the electrode being connected with the switch respective other ends of SW2 and SW3 shown in Fig. 2.Node electrodes EN On the second dielectric film 12, covered by the 3rd dielectric film 13.

Pixel electrode PE is located on the 3rd dielectric film 13, by first orientation film AL1 coverings.Pixel electrode PE is via running through The contact hole CH of the 3rd dielectric film 13 is contacted with node electrodes EN.

First dielectric film 11 and the second dielectric film 12 are formed by mineral-type materials such as silicon nitride, Si oxides.3rd is exhausted Velum 13 is formed by organic-based materials such as resins.Additionally, the image element circuit CR including switch SW1, node electrodes EN is located at first Between the dielectric film 13 of insulated substrate 10 and the 3rd.In the present embodiment, the 3rd dielectric film 13 is equivalent to positioned at image element circuit CR With the organic insulating film of the individual layer between pixel electrode PE.In other words, repeater electrodes of the pixel electrode PE not via other layers But be directly connected to node electrodes EN.Therefore, it is possible to simplify manufacturing process.In the present embodiment, by pixel electrode PE with The part of node electrodes EN connections is referred to as connecting portion CT.

Next, the configuration example of the unit pixel PX that explanation can be applied in the present embodiment.

(the first configuration example)

Fig. 6 is the figure of the first configuration example for representing unit pixel PX.Unit pixel PX has four sub-pixel P1 to P4.Son Pixel P1 and sub-pixel P2 X arranged adjacents along a first direction.Sub-pixel P3 and sub-pixel P4 X adjacent rows along a first direction Row.In addition, sub-pixel P1 and sub-pixel P3 is along second direction Y arranged adjacents.Sub-pixel P2 and sub-pixel P4 is along second party To Y arranged adjacents.Sub-pixel P1 to P4 shows different colours respectively.In one example, sub-pixel P1 displays are green (G), son Pixel P2 displays are red (R), and sub-pixel P3 displays are blue (B), and sub-pixel P4 displays are white (W).Such colored display is as joined As being illustrated according to Fig. 4, by by with the colored filter of each self-corresponding colors of sub-pixel P1 to P4 and sub-pixel P1 Each pixel electrode PE into P4 is arranged as opposed to and realizes.Additionally, in the display device of emissive type, by including hair The light-emitting component for going out the light of sub-pixel P1 to P4 each self-corresponding colors is realized.

X has the length of LX to such unit pixel PX in the first direction, and Y has the length of LY in a second direction.Unit Pixel PX is configured to length LX and the equal squares of length LY in one example.In addition, in the example in the figures, sub-pixel X has the length of LX/2 to P1 to P4 in the first direction respectively, and Y has the length of LY/2 in a second direction.Length LX/2 and length LY/2 is equal.Sub-pixel P1 to P4 is respectively structured as square.In addition, sub-pixel P1 to P4 has the face being equal to each other respectively Product.Here, in unit pixel PX, the straight line that X in the first direction extends is set into boundary line B1, Y will extend in a second direction Straight line be set to boundary line B2.Boundary line B1 is located between sub-pixel P1 and sub-pixel P3, and positioned at sub-pixel P2 and sub- picture Between plain P4.Boundary line B2 is located between sub-pixel P1 and sub-pixel P2, and between sub-pixel P3 and sub-pixel P4.Will The geometric center PXC of unit pixel PX is defined as the intersection point of boundary line B1 and B2.In addition, in other viewpoints, unit picture The geometric center PXC of plain PX can also be defined as unit pixel PX the predetermined quadrangle in periphery (in the example in the figures for Square) two diagonal (dotted line in figure) intersection point.

In unit pixel PX, sub-pixel P1 to P4 is constituted with identical respectively.In the example in the figures, relative to side Boundary line B1, sub-pixel P1 and P2 have the composition symmetrical with sub-pixel P3 and P4 line.Equally, equivalent to boundary line B2, son Pixel P1 and P3 have the composition symmetrical with sub-pixel P2 and P4 line.In addition, sub-pixel P1 and sub-pixel P4 has closing The composition of point symmetry is carried out in geometric center PXC.Equally, sub-pixel P2 and sub-pixel P3 has to enter on geometric center PXC The composition of row point symmetry.Composition on each sub-pixel, is below described in detail.Additionally, here, entering by taking sub-pixel P1 as an example Row explanation, omits the detailed description on other sub-pixels.

That is, sub-pixel P1 includes three section SG11 to SG13 of the gray scale for showing 3 bits.

Regions of the section SG11 equivalent to the quadrangle of the central portion in sub-pixel P1.In the example in the figures, area Section SG11 is configured to square shape.Central portion refer to the length LY/2 along second direction Y of sub-pixel P1 intermediate point, Or along second direction Y apart from boundary line B1 distance for LY/4 position P1C in interior region.Section SG11 have along The one opposite side 11A and 11B of first direction X and the opposite side 11C and 11D along second direction Y.

Section SG12 is located at than section SG11 closer to the side of geometric center PXC.Section SG12 is equivalent to along side 11A And the region of the L shape of 11C formation.Area of the area of section SG12 more than section SG11.Section SG12 has along side The subregion A12 of 11C.Such section SG12 is adjacent with sub-pixel P3 across boundary line B1, and across boundary line B2 and son Pixel P2 is adjacent.

The region of the quadrangle that section SG11 and SG12 are combined is the similar of the region of the quadrangle of section SG11 Shape.

Section SG13 is located at than section SG11 further from the side of geometric center PXC.Section SG13 is equivalent to along side 11B And the region of the L shape of 11D formation.In addition, section SG13 exceedes side 11B, and X extends in the first direction, and with section SG12's It is a part of adjacent.In addition, section SG13 exceedes side 11D, and Y extends in a second direction, and it is a part of adjacent with section SG12.Area The area of the area more than section SG12 of section SG13.Section SG13 has along the subregion A13 of side 11D.Such section SG13 and section SG12 surrounds section SG11 in the lump.

The region of the quadrangle that section SG11, section SG12 and section SG13 are combined is the quadrangle of section SG11 Region similar shape.

In the central portion of sub-pixel P1, centered on section SG11, three section SG11 to SG13 X rows along a first direction Row.In the example in the figures, X is arranged in order along a first direction for subregion A13, section SG11 and subregion A12.

The area ratio of section SG11, section SG12 and section SG13 is as being 1：2：4 (=2⁰：2¹：2²).In this implementation In mode, the area than being based only upon the area in the region that display is actually facilitated in each section, not comprising be helpless to show The area in the region that connecting portion CT, the light shield layer BM for showing are overlapped.On the other hand, it is also possible to using each section by connecting portion is included Area ratio be set as 1：2：4 composition.Additionally, the area of section SG11 to SG13 than combination be not limited to above-mentioned example Son.Section SG11 is comparable to the bit (such as 2 of the lowermost position in the area gray scale of 3 bits⁰) viewing area.Section SG13 The bit (such as 2 of the upper being comparable in the area gray scale of 3 bits²) viewing area.Section SG12 is comparable to 3 ratios The bit (such as 2 of the centre in special area gray scale¹) viewing area.By the combination of these sections SG11 to SG13, energy The area gray scale for enough carrying out 3 bits shows.

Equally, sub-pixel P2 includes that section SG21 to 23, sub-pixel P3 include that section SG31 to 33, sub-pixel P4 include area Section SG41 to 43.Section SG12, SG22, SG32, SG42 are located most closely to the position of geometric center PXC.Section SG12 is across side Boundary line B2 is adjacent with section SG22, and adjacent with section SG32 across boundary line B1.Section SG42 is across boundary line B2 and section SG32 is adjacent, and adjacent with section SG22 across boundary line B1.Section SG13, SG23, SG33, SG43 are located furthest from geometry The position of heart PXC.Section SG13 is adjacent with section SG23 across boundary line B2, and adjacent with section SG33 across boundary line B1. Section SG43 is adjacent with section SG33 across boundary line B2, and adjacent with section SG23 across boundary line B1.Section SG11 across Section SG12 and SG22 is adjacent with section SG21, and adjacent with section SG31 across section SG12 and SG32.Section SG41 It is adjacent with section SG31 across section SG32 and SG42 and adjacent with section SG21 across section SG42 and SG22.

12 position relationships of section on component unit pixel PX, it is as described below from for other viewpoints.I.e., , in the sub-pixel P1 and P2 of the arrangements of X in the first direction, three section SG11 to SG13 of sub-pixel P1 are relative to boundary line for eye B2 is set to be set to line with three section SG21 to 23 of sub-pixel P2 symmetrical.In addition, being conceived to Y rows in a second direction The sub-pixel P1 and P3 of row, three section SG11 to SG13 of sub-pixel P1 are set to and sub-pixel relative to boundary line B1 Three lines of section SG31 to 33 of P3 are symmetrical.In addition, being conceived to sub-pixel P1 and P4, three section SG11 of sub-pixel P1 are extremely SG13 is set to three point symmetries of section SG41 to 43 with sub-pixel P4 relative to geometric center PXC.

In addition, in sub-pixel P2, section SG22 and SG23 have subregion A22 and A23 respectively.In sub-pixel P3 In, section SG32 and SG33 have subregion A32 and A33 respectively.In sub-pixel P4, section SG42 and SG43 difference With subregion A42 and A43.

In the central portion of sub-pixel P2, centered on section SG21, three section SG21 to SG23 X rows along a first direction Row.In the example in the figures, X is arranged in order along a first direction for subregion A22, section SG21 and subregion A23.In addition, Subregion A22, section SG21 and subregion A23 and subregion A13, section SG11 and subregion A12 are located at same straight line On.

In the central portion of sub-pixel P3, centered on section SG31, three section SG31 to SG33 X rows along a first direction Row.In the example in the figures, X is arranged in order along a first direction for subregion A33, section SG31 and subregion A32.

In the central portion of sub-pixel P4, centered on section SG41, three section SG41 to SG43 X along a first direction Arrangement.In the example in the figures, X is arranged in order along a first direction for subregion A42, section SG41 and subregion A43.Separately Outward, subregion A42, section SG41 and subregion A43 and subregion A33, section SG31 and subregion A32 are located at always On line.

The center line in region of three section SG11 to SG13 of sub-pixel P1 X arrangements in the first direction is set to P1X.Separately Outward, the center line in region by three section SG31 to SG33 of sub-pixel P3 X arrangements in the first direction is set to P3X.Center line About the 1/2 of the length LY at intervals of unit pixel PX along second direction Y of P1X and center line P3X.Equally, by sub- picture The center line in region of three section SG21 to SG23 of plain P2 X arrangements in the first direction is set to P2X.In addition, by sub-pixel P4 The center line in region of three section SG41 to SG43 X arrangements in the first direction be set to P4X.Center line P2X and center line P4X The length LY at intervals of unit pixel PX along second direction Y about 1/2.Additionally, center line P1X and P2X are located at On same straight line, and center line P3X and P4X are located along the same line.

Additionally, in aftermentioned, section SG11 to SG13 includes the pixel electrode of corresponding shape, the pixel of each section respectively Electrode is separated from one another.In addition, each sub-pixel is blocked layer division, and border between each section is also configured with light shield layer.Change Sentence is talked about, it is illustrated that bold portion equivalent to the gap between adjacent pixel electrode, and be configured equivalent to light shield layer Region.

More than, the first configuration example for unit pixel PX is illustrated, and the relation of the area on each region carries out letter Unitary declaration.That is, the area of sub-pixel P1 is equivalent to the gross area that three section SG11 to SG13 are combined.Equally, sub-pixel , equivalent to the gross area that section SG21 to SG23 is combined, the area of sub-pixel P3 is equivalent to section SG31 extremely for the area of P2 The gross area that SG33 is combined, the area of sub-pixel P4 is equivalent to the gross area that section SG41 to SG43 is combined.Unit The area of pixel PX is equivalent to the gross area that four sub-pixel P1 to P4 are combined.In other words, the area of unit pixel PX Closed one with 12 sections (section SG11 to SG13, section SG21 to SG23, section SG31 to SG33, section SG41 to SG43) The gross area for rising is roughly the same.

Fig. 7 is a figure for example of the layout for representing image element circuit CR corresponding with each section shown in Fig. 6.Here, Image element circuit CR is formed at the region shown in the chain-dotted line in figure, and its specific diagram for constituting is omitted, as long as Fig. 2 institutes can be realized The equivalent circuit for showing, can be arbitrary composition.In addition, it is illustrated that image element circuit be respectively provided with the composition of identical topology.At one In example, an image element circuit is formed at the region marked off by two adjacent signal lines, two adjacent control lines, but not It is limited to the example, it is also possible to divided by other wirings such as wiring for service voltage FRP or voltage XFRP.

In the example in the figures, holding wire SL1 to SL7 intervals in the first direction X arrangement, control line CL1 to CL3 every The standard width of a room in an old-style house is arranged every Y in a second direction.X is arranged in the first direction for image element circuit CR11 to CR13 and image element circuit CR21 to CR23 Row.Image element circuit CR31 to CR33 and image element circuit CR41 to CR43 X arrangements in the first direction.Image element circuit CR11 is extremely CR13, image element circuit CR21 to CR23, image element circuit CR31 to CR33 and image element circuit CR41 to CR43 are respectively formed as edge The region for being shorter in length than the length along second direction Y of first direction X.Image element circuit CR11 to CR13 is respectively along pixel electricity The second direction Y arrangements of road CR31 to CR33.Image element circuit CR21 to CR23 is respectively along the second of image element circuit CR41 to CR43 Direction Y is arranged.

Image element circuit CR11 to CR13 is divided by control line CL1 and CL2, holding wire SL1 to SL4.Image element circuit CR21 Divided by control line CL1 and CL2, holding wire SL4 to SL7 to CR23.Image element circuit CR31 to CR33 by control line CL2 and CL3, holding wire SL1 to SL4 are divided.Image element circuit CR41 to CR43 is drawn by control line CL2 and CL3, holding wire SL4 to SL7 Point.

Fig. 8 is a figure for example of the annexation for representing pixel electrode PE and image element circuit CR.Additionally, on following The construction of described each connecting portion, as reference picture 5 is illustrated.

Sub-pixel P1 includes being located at the respective pixel electrode PE11 to PE13 of section SG11 to SG13, image element circuit CR11 extremely CR13.Pixel electrode PE11 has the shape of quadrangle corresponding with the shape of section SG11, using connecting portion CT11 and pixel Circuit CR12 is electrically connected.Pixel electrode PE12 has the shape of L shape corresponding with the shape of section SG12, shown in Fig. 6 Electrically connected with image element circuit CR13 using connecting portion CT12 in subregion A12.Pixel electrode PE13 has the shape with section SG13 The shape of the corresponding L shape of shape, is electrically connected by connecting portion CT13 in the subregion A13 shown in Fig. 6 with image element circuit CR11. As described above, pixel electrode PE11 has has and section SG12 phases with section SG11 identical areas, pixel electrode PE12 Same area, pixel electrode PE13 has and section SG13 identical areas.Therefore, pixel electrode PE11, pixel electrode PE12 And the area ratio of pixel electrode PE13 is 1：2：4 (=2⁰：2¹：2²)。

Equally, in sub-pixel P2, pixel electrode PE21 is electrically connected using connecting portion CT21 with image element circuit CR22.Pixel Electrode PE22 is electrically connected using connecting portion CT22 with image element circuit CR21.Pixel electrode PE23 is using connecting portion CT23 and pixel electricity Road CR23 is electrically connected.

Connecting portion CT11 to CT13 and connecting portion CT21 to CT23 is located on the same straight line of X along a first direction, edge First direction X equidistantly to arrange.Hereinafter, the same straight line of X refers to also including parallel with first direction X along a first direction Situation.

In sub-pixel P3, pixel electrode PE31 is electrically connected using connecting portion CT31 with image element circuit CR32.Pixel electrode PE32 is electrically connected using connecting portion CT32 with image element circuit CR33.Pixel electrode PE33 utilizes connecting portion CT33 and image element circuit CR31 is electrically connected.

In sub-pixel P4, pixel electrode PE41 is electrically connected using connecting portion CT41 with image element circuit CR42.Pixel electrode PE42 is electrically connected using connecting portion CT42 with image element circuit CR41.Pixel electrode PE43 utilizes connecting portion CT43 and image element circuit CR43 is electrically connected.

Connecting portion CT31 to CT33 and connecting portion CT41 to CT43 is located on the same straight line of X along a first direction, edge First direction X equidistantly to arrange.Connecting portion CT11 to CT13 and connecting portion CT21 to CT23 in the first direction X arrangement Position is with connecting portion CT31 to CT33 and connecting portion CT41 to the CT43 positions that X is arranged in the first direction along second direction The spacing of Y is about the 1/2 of the length LY along second direction Y of unit pixel PX.

In addition, the area of sub-pixel P1 is roughly equal with the gross area that three section SG11 to SG13 are combined, and It is roughly equal with the gross area that three pixel electrode PE11 to PE13 are combined, and with three image element circuit CR11 to CR13 The gross area that respective setting area is combined is roughly equal.Equally, the area of sub-pixel P2 and image element circuit CR21 be extremely The gross area that the respective setting area of CR23 is combined is roughly equal, area and the image element circuit CR31 to CR33 of sub-pixel P3 The gross area that respective setting area is combined is roughly equal, and the area of sub-pixel P4 is respective with image element circuit CR41 to CR43 The gross area that is combined of setting area it is roughly equal.In other words, the area of unit pixel PX1 and 12 image element circuits (image element circuit CR11 to CR13, image element circuit CR21 to CR23, image element circuit CR31 to CR33, image element circuit CR41 to CR43) The gross area that is combined of setting area it is roughly equal.

Fig. 9 is the figure of the state that the gray scale in the first configuration example for represent present embodiment shows.Additionally, in figure, L0 Gray value is represented respectively to L7, and the transmissivity or brightness that per unit pixel is represented successively rise.

In gray value L0, the whole sections as unit pixel PX show the state of black.

In gray value L1, the state as section SG11, SG21, SG31, SG41 display white, and as other sections Show the state of black.

In gray value L2, the state as section SG12, SG22, SG32, SG42 display white, and as other sections Show the state of black.

In gray value L3, as section SG11 and SG12, SG21 and SG22, SG31 and SG32, SG41 and The state of SG42 display whites, and the state of black is shown as other sections.

In gray value L4, the state as section SG13, SG23, SG33, SG43 display white, and as other sections Show the state of black.

In gray value L5, as section SG11 and SG13, SG21 and SG23, SG31 and SG33, SG41 and The state of SG43 display whites, and the state of black is shown as other sections.

In gray value L6, as section SG12 and SG13, SG22 and SG23, SG32 and SG33, SG42 and The state of SG43 display whites, and the state of black is shown as other sections.

In gray value L7, the state of the whole sections display white as unit pixel PX.

Additionally, " section shows the state of black " herein refers to, equivalent to the state that section disconnects, equivalent to as described above The state that light after being reflected by pixel electrode like that is absorbed by optical element.In addition, " state of section display white " refers to, phase When the state connected in section, equivalent to the light after being reflected by pixel electrode as described above through optical element, display correspondence Color filter layers color state.

In the example in the figures, the position at the brightness center of unit pixel is identical in the state of each gray scale is shown, and With the position consistency of the geometric center PXC of unit pixel PX.

According to this above-mentioned configuration example, the sub-pixel P1 to P4 of component unit pixel PX is respectively configured as, including area is not Same three sections (the section SG11 to SG13 of for example, Fig. 8), two sections of L shape surround a sections for quadrangle. In other words, in the central portion of each sub-pixel, centered on the section of quadrangle, X arranges three sections along a first direction.By This, can merely and compactly configure the section in each sub-pixel.

With the composition that three each self-corresponding image element circuit CR of section have identical topology, in the first direction X arrangements.It is another Aspect, has and configurations differing from one corresponding with the shape of each section, as above positioned at three respective pixel electrode PE of section State like that, in the central portion of each sub-pixel, each pixel electrode PE corresponding with three sections is arranged along a first direction.Cause This, in each sub-pixel, it is not necessary to which setting only to have on the layer between these pixel electrodes and image element circuit is used in pixel The conductor of the function of being relayed between electrode PE and image element circuit CR.In this configuration example, in the connecting portion of the arrangements of X in the first direction In CT, each image element circuit CR of identical topology and each pixel electrode PE of shape different from each other can be easily connected.

Accordingly, it is not necessary to be used to set the additional manufacturing process of the conductor of relaying etc..In addition, it is not necessary that with section Shape correspondingly changes the layout of image element circuit CR, can mitigate the burden of circuit design.In addition, the layout of each image element circuit CR Restricting for the position being connected with pixel electrode PE will not be subject to, therefore, it is possible to the integrated image element circuit in the region of limited area CR, can realize High precision.

In addition, in two sub-pixels of the arrangements of Y in a second direction, corresponding image element circuit CR can also apply identical Layout, the spacing along second direction Y of connecting portion CT is the 1/2 of the length LY along second direction Y of unit pixel PX.Separately On the one hand, the spacing along second direction Y of the position that three sections are arranged in the first direction is also unit in each sub-pixel The 1/2 of the length LY along second direction Y of pixel PX.Therefore, in each sub-pixel of the arrangements of Y in a second direction, it is also possible to Each image element circuit CR is easily connected with each pixel electrode PE.

In addition, in unit pixel PX, sub-pixel P1 to P4 has the symmetrical structure of line respectively about boundary line B1 and B2 Into, and the geometric center PXC on unit pixel PX has the composition of point symmetry.Therefore, the brightness center of unit pixel Position is identical in the state of each gray scale is shown, and with the position consistency of the geometric center PXC of unit pixel PX.Cause And, the deterioration of display quality can be suppressed.

(the first configuration example：Variation)

Figure 10 is that the connection of the pixel electrode PE and image element circuit CR in the unit pixel PX for represent the composition shown in Fig. 6 is closed The figure of other examples of system.

Image element circuit CR11 to CR13 and image element circuit CR21 to CR23 X arrangements in the first direction.Image element circuit CR31 To CR33 and image element circuit CR41 to CR43 X arrangements in the first direction.Composition on each image element circuit is as described above.

In sub-pixel P1 to P4 is respective, pixel electrode is illustrated with the electrical connection such as reference picture 8 of image element circuit As.When being only briefly described to sub-pixel P1, as described below.Electrode group PE1 includes pixel electrode PE11 to PE13. Circuit group CR1 includes image element circuit CR11 to CR13.Pixel electrode PE11 is electrically connected using connecting portion CT11 with image element circuit CR12 Connect.Pixel electrode PE12 is electrically connected using connecting portion CT12 with image element circuit CR13.Pixel electrode PE13 utilizes connecting portion CT13 Electrically connected with image element circuit CR11.Image element circuit CR11 to CR13 be respectively formed at X along a first direction be shorter in length than along The region of the length of second direction Y, and X arrangements in the first direction.Connecting portion CT11 to CT13 is respectively from image element circuit CR11 Central portion to CR13 deviates to second direction Y.Connecting portion CT11 to CT13 by the central portion of electrode group PE1 and positioned at along On the same straight line of first direction X.A part of electrode group PE1 at least connecting portion CT11 to CT13 arrangement position along first Direction X is arranged.A part of electrode group PE1 from the positional deviation Chong Die with circuit group CR1, its adjacent with Y in a second direction The circuit group of its sub-pixel is overlapped.Omit the explanation on the annexation in other sub-pixels P2 to P4.

Connecting portion CT11 to CT13 and connecting portion CT21 to CT23 along a first direction X equidistantly arranging.Connecting portion CT31 to CT33 and connecting portion CT41 to CT43 along a first direction X equidistantly arranging.Connecting portion CT11 to CT13 is along The spacing along second direction Y of position and the connecting portion CT31 to CT33 of one direction X arrangements positions of X arrangements in the first direction It is about the 1/2 of the length LY along second direction Y of unit pixel PX.

Even if in such example, obtaining and the first above-mentioned configuration example identical effect.

Next, for can in the present embodiment using other configuration examples of unit pixel PX illustrate.

(the second configuration example)

Figure 11 is the figure of the second configuration example for representing unit pixel PX.Shown in the second configuration example and Fig. 6 shown in Figure 11 First configuration example compares, and each pixel in sub-pixel P3 and P4 has than each pixel in sub-pixel P1 and P2 It is different on big area this aspect.

Unit pixel PX is configured to the length LX of X along a first direction and equal along the length LY of second direction Y Square.Four sub-pixel P1 to P4 of component unit pixel PX show different colours respectively, in one example, sub-pixel P1 Display green, sub-pixel P2 displays are red, and sub-pixel P3 displays are blue, sub-pixel P4 display whites.

The sub-pixel P1 and P2 of X arrangements have equal area respectively in the first direction.Sub-pixel P1 and P2 distinguish It is configured to, X has the length of LX/2 and Y has the quadrangle of the length of LYa in a second direction in the first direction.In the example of diagram In son, sub-pixel P1 and P2 are respectively structured as, and length LX/2 is longer than the rectangle grown crosswise of length LYa.

The sub-pixel P3 and P4 of X arrangements have equal area respectively in the first direction.Sub-pixel P3 and P4 distinguish It is configured to, X has the length of LX/2 and Y has the quadrangle of the length of LYb in a second direction in the first direction.Length LYb is long In length LYa and length LX/2.In the example in the figures, sub-pixel P3 and P4 are respectively structured as, and length LX/2 is shorter than length The rectangle of the lengthwise of LYa.

I.e., in the present embodiment, in a second direction sub-pixel P1 and the sub-pixel P3 of Y arrangements each other in the first direction X has in the state of identical length, and sub-pixel P1 is in the rectangle grown crosswise, and sub-pixel P3 is in the rectangle of lengthwise.Here, working as When making the length of length/first direction X of the length-width ratio A=second directions Y of each sub-pixel, the length-width ratio A1 of sub-pixel P1 turns into The length-width ratio A3 of 0 ＜ A1 ＜ 1, sub-pixel P3 turns into 1 ＜ A3.The relation of sub-pixel P2 and sub-pixel P4 also with sub-pixel P1 and son The relation of pixel P3 is identical.

In addition, comparing the area of sub-pixel P1 and the area of sub-pixel P3.Sub-pixel P1 and sub-pixel P3 have along The identical length LX/2 of first direction X.The length LYa along second direction Y of sub-pixel P1 be shorter than sub-pixel P3 along The length LYb of second direction Y.Therefore, area of the area of sub-pixel P1 less than sub-pixel P3.Equally, the area of sub-pixel P2 Less than the area of sub-pixel P4.

In unit pixel PX, relative to boundary line B2, sub-pixel P1 has the composition symmetrical with sub-pixel P2 lines.Together Sample, relative to boundary line B2, sub-pixel P3 has the composition symmetrical with sub-pixel P4 lines.

Additionally, constituting the respective areas of section SG11 to SG13 of sub-pixel P1 less than the section SG31 for constituting sub-pixel P3 To the respective areas of SG33.Therefore, composition of the composition of sub-pixel P1 relative to boundary line B1 and sub-pixel P3 turns into asymmetric. Equally, the respective areas of section SG21 to SG23 for constituting sub-pixel P2 are each less than the section SG41 to SG43 for constituting sub-pixel P4 From area.Therefore, composition of the composition of sub-pixel P2 relative to boundary line B1 and sub-pixel P4 turns into asymmetric.

It is identical with the first above-mentioned configuration example on the respective basic compositions of sub-pixel P1 to P4.That is, sub-pixel P1 includes Section SG11 to SG13.The area ratio of section SG11, section SG12 and section SG13 is as being 1：2：4 (=2⁰：2¹：2²).Area Section SG11 is located at the central portion of sub-pixel P1, and section SG12 is located at than section SG11 closer to the side of geometric center PXC, section SG13 is located at than section SG11 further from the side of geometric center PXC.Additionally, in the unit pixel PX of the composition of diagram, in Centre portion is to include the intermediate point of the length LYa along second direction Y of sub-pixel P1 or along second direction Y apart from border The distance of line B1 is the position P1C of LYa/2 in interior region.In addition, geometric center PXC is defined as two shown in the dotted line in figure The cornerwise intersection point of bar.Unit pixel PX has the symmetrical composition of line relative to boundary line B2, therefore geometric center PXC is located at side On boundary line B2.In addition, unit pixel PX has relative to the asymmetrical compositions of boundary line B1, therefore geometric center PXC is away from side Boundary line B1.That is, the position of geometric center PXC is different from the position of the intersection point PXN of boundary line B1 and B2.

Equally, sub-pixel P2 includes that section SG21 to 23, sub-pixel P3 include that section SG31 to 33, sub-pixel P4 include area Section SG41 to 43.

In each sub-pixel P1 to P4, the bit (such as 2 with centre in the area gray scale of 3 bits¹) suitable area Section SG12, SG22, SG32, SG42 are located most closely to the position of center PXC, are located most closely to the position of intersection point PXN.In each height In pixel P1 to P4, the bit (such as 2 with upper in the area gray scale of 3 bits²) suitable section SG13, SG23, SG33, SG43 are located furthest from the position of center PXC.The bit (such as 2 with lowermost position in the area gray scale of 3 bits⁰) phase When section SG11, SG21, SG31, SG41 be located at each sub-pixel P1 to P4 central portion.

On constitute diagram unit pixel PX 12 position relationships of section, from for other viewpoints, such as it is following that Sample.That is, be conceived to the sub-pixel P1 and P2 of the arrangement of X in the first direction, three section SG11 to SG13 of sub-pixel P1 on It is symmetrical that three section SG21 to 23 of boundary line B2 and sub-pixel P2 are set to line.It is conceived to the son of X arrangements in the first direction Pixel P3 and P4, the three section SG41s of three section SG31 to SG33 on boundary line B2 Yu sub-pixel P4 of sub-pixel P3 It is symmetrical line to be set to 43.

In such second configuration example, the first configuration example also with Fig. 6 is same, three at the central portion of sub-pixel P1 Section SG11 to SG13 X arrangements in the first direction, three section SG21 to SG23 are along first party at the central portion of sub-pixel P2 Arranged to X, three section SG31 to SG33 X arrangements in the first direction at the central portion of sub-pixel P3, in sub-pixel P4 Three section SG41 to SG43 X arrangements in the first direction at the portion of centre.In addition, by three section SG11 to SG13 edges of sub-pixel P1 The center line in region of first direction X arrangements is set to P1X, by three section SG31 to SG33 of sub-pixel P3 X in the first direction The center line in the region of arrangement is set to P3X.The interval along second direction Y of center line P1X and center line P3X is unit pixel About the 1/2 of the length LY along second direction Y of PX.Equally, by three section SG21 to SG23 of sub-pixel P2 along first The center line in the region of direction X arrangements is set to P2X.In addition, by three section SG41 to SG43 of sub-pixel P4 X in the first direction The center line in the region of arrangement is set to P4.The interval along second direction Y of center line P2X and center line P4X is unit pixel About the 1/2 of the length LY of PX.

Figure 12 is the figure at the brightness center of the unit pixel PX in the case of representing whole sections in an ON state.

In the example in the figures, unit pixel PX is represented by Figure 14 gray value L7 described later, as whole section bright lights State.Additionally, in this figure, origin will be set to farthest away from the position at the angle of geometric center PXC in sub-pixel P1, first direction is used The coordinate y of the coordinate x and second direction Y of X, position is represented by coordinate (x, y).Now, unit pixel PX be expressed as coordinate (0, 0), (LX, 0), (0, LY) and (LX, LY) is the quadrangle on summit.In addition, boundary line B1 is along by coordinate (0, LYa) The straight line that one direction X extends, boundary line B2 is by coordinate (LX/2, the 0) straight line that Y extends in a second direction.Boundary line B1 with And the coordinate representation of the intersection point of B2 is (LX/2, LYa).

The brightness center P1G of sub-pixel P1 monomers is located at coordinate (X1, Y1), P3G, the brightness center of sub-pixel P3 monomers In coordinate (X3, Y3), two brightness center 13G of sub-pixel P1 and P3 are located at coordinate (XG, YG).Now, brightness center 13G Coordinate defined by following (1) formulas and (2) formula.

XG=(S3 × X1+S1 × X3)/(S1+S3) ... (1)

YG=(S3 × Y1+S1 × Y3)/(S1+S3) ... (2)

Now, S1 is the area in the region of the on-state in sub-pixel P1, and S3 is the on-state in sub-pixel P3 The area in region.Brightness center 13G is located on the line segment for linking brightness center P1G and P3G, positioned at link brightness center 13G with The length ratio of the length of the line segment of P1G and the line segment for linking brightness center 13G and P3G is S1：The point of S3.

Unit pixel PX has a symmetrical construction of line relative to boundary line B2, thus unit pixel PX brightness center PXG On the B2 of boundary line, it is located at and brightness center 13G identical coordinates on second direction Y.That is, brightness center PXG is located at and sits Mark (LX/2, YG).

In the case of gray value L7, sub-pixel P1 and P3 are considered as rectangular region in an ON state.Therefore, Areas of the area S1 equivalent to sub-pixel P1, areas of the area S3 equivalent to sub-pixel P3.Brightness center P1G is located at along sub-pixel Cornerwise intersection point of the predetermined quadrangle in the periphery of P1, brightness center P3G is located at along four predetermined sides of the periphery of sub-pixel P3 Cornerwise intersection point of shape.Therefore, S1=LYa × (LX/2), S3=LYb × (LX/2), Y1=LYa/2 and Y3=are formed LYa+LYb/2.By the way that the above to be substituted into (2) formula, YG=LYa is derived.That is, the position of brightness center PXG and boundary line B1 Intersection point with boundary line B2 is identical, is expressed as coordinate (LX/2, LYa).

The geometric center PXC of unit pixel PX is expressed as (LX/2, LY/2) as coordinate.That is, brightness center PXG and Geometric center PXC is located on the B2 of boundary line.In addition, brightness center PXG is consistent with geometric center PXC in a first direction X, Deviation distance (LY/2-LYa) on two direction Y.

Figure 13 is the connection of the pixel electrode PE in the unit pixel PX for represent the composition shown in Figure 11 and image element circuit CR One figure of example of relation.

Image element circuit CR11 to CR13 and image element circuit CR21 to CR23 X arrangements in the first direction.Image element circuit CR31 To CR33 and image element circuit CR41 to CR43 X arrangements in the first direction.Composition on each image element circuit is as described above.

In sub-pixel P1 to P4 is respective, pixel electrode is illustrated with the electrical connection such as reference picture 8 of image element circuit As.When being only briefly described to sub-pixel P1, as described below.Pixel electrode PE11 utilizes connecting portion CT11 and picture Plain circuit CR12 electrical connections.Pixel electrode PE12 is electrically connected using connecting portion CT12 with image element circuit CR13.Pixel electrode PE13 Electrically connected with image element circuit CR11 using connecting portion CT13.Omit saying on the annexation in other sub-pixels P2 to P4 It is bright.

Connecting portion CT11 to CT13 and connecting portion CT21 to CT23 is located on the same straight line of X in the first direction, along First direction X is equidistantly arranging.Connecting portion CT31 to CT33 and connecting portion CT41 to CT43 is located at X along a first direction Same straight line on, X is equidistantly arranging along a first direction.By connecting portion CT11 to CT13 and connecting portion CT21 extremely The center line in region of CT23 X arrangements in the first direction is set to P12X.In addition, by connecting portion CT31 to CT33 and connecting portion The center line in region of CT41 to CT43 X arrangements in the first direction is set to P34X.Center line P12X and center line P34X along The interval of second direction Y is about the 1/2 of the length LY along second direction Y of unit pixel PX.

In such second configuration example, also obtain and the first above-mentioned configuration example identical effect.In addition, such In second configuration example, the area of the sub-pixel P1 to P4 of component unit pixel PX can with the color matching required by unit pixel PX, White balance etc. suitably sets.

Hereinafter, illustrated for the state that the gray scale in such second configuration example shows.

Figure 14 is the figure of the state that the gray scale in the second configuration example for represent present embodiment shows.Additionally, in figure, L0 Gray value is represented respectively to L7, the transmissivity of per unit pixel or brightness is increased successively.Gray scale display shape shown in Figure 14 The explanation of state is repeated with the explanation of Fig. 9, therefore omits detailed content.

In gray value L0, whole sections of unit pixel PX turn into off-state (display black state).In gray value In L1, section SG11, SG21, SG31, SG41 are turned on (display white states).In gray value L2, section SG12, SG22, SG32, SG42 are turned on.In gray value L3, section SG11 and SG12, SG21 and SG22, SG31 with And SG32, SG41 and SG42 are turned on.In gray value L4, section SG13, SG23, SG33, SG43 turn into connection State.In gray value L5, section SG11 and SG13, SG21 and SG23, SG31 and SG33, SG41 and SG43 turn into On-state.In gray value L6, section SG12 and SG13, SG22 and SG23, SG32 and SG33, SG42 and SG43 It is turned on.In gray value L7, whole sections of unit pixel PX are turned on.

In the first configuration example shown in Fig. 9, the position at the brightness center of unit pixel is in the state of each gray scale is shown It is identical, and with the position consistency of the geometric center PXC of unit pixel PX.On the other hand, in the second configuration example shown in Figure 14 In, the position of the brightness center PXG of unit pixel PX is roughly the same in the state of each gray scale is shown, and with unit pixel PX Geometric center PXC position it is different, the position with the intersection point PXN of boundary line B1 and boundary line B2 is roughly the same.

Turn into the brightness center PXG of unit pixel PX of the state of the gray value L7 of high-high brightness in unit pixel PX such as As reference picture 12 is illustrated.Next, the unit pixel of the state on the middle gray in gray value L1 to L6 The brightness center PXG of PX, illustrates by taking gray value L1 and L4 as an example.

Figure 15 is the figure at the brightness center for representing the unit pixel in the case of the gray value L1 illustrated in Figure 14.Sub-pixel Illustrated in P1 to P4 and section SG11 to SG31, SG21 to SG23, SG31 to SG33, the layout of SG41 to SG43 and Figure 12 Unit pixel PX it is identical.Additionally, the width of the first direction X of the section SG13 and SG33 of the position connected with boundary line B1 It is LX1, the width of the second direction Y of the section SG13 of the position connected with boundary line B2 is LY1, the position connected with boundary line B2 The width of the second direction Y of the section SG33 for putting is LY3.In addition, the width of the first direction X of section SG11 and SG31 is The width of the second direction Y of LX2, section SG11 is LY2, and the width of the second direction Y of section SG31 is LY4.

In the example in the figures, as shown in figure bend, section SG11, SG21, SG31, SG41 are on-state. Now, in sub-pixel P1 and respective brightness of the brightness center P1G and P3G equivalent to section SG11 and SG31 of P3 monomers The heart.As shown in Figure 12, the brightness center PXG of unit pixel PX is located at coordinate (LX/2, YG).Hereinafter, by calculating To obtain YG.

For example it is set to LX=LY=346, LYa=130, LYb=216, LX1=65, LX2=59.75, LY1=49, LY2 =44.9, LY3=78, LY4=77.75.Brightness center P1G is (X1, Y1)=(94.88,71.29) as coordinate representation.It is bright Degree center P3G is (X3, Y3)=(94.88,229.13) as coordinate representation.In addition, the region of the on-state of sub-pixel P1 Cartographic represenation of area be S1=2683.The cartographic represenation of area in the region of the on-state of sub-pixel P3 is S3=4646.By by more than Numerical value substitute into formula (2), calculate YG=129.1.The geometric center PXC of unit pixel PX, the intersection point of boundary line B1 and B2 The brightness center PXG of PXN and unit pixel PX respectively as coordinate representation be (173,173), (173,130) and (173, 129.1).The deviation of brightness center PXG geometric distances center PXC is 173-129.1=43.9 in Y-coordinate.Brightness center PXG The deviation of range intersections PXN is 130-129.1=0.9 in Y-coordinate, is 0.69% on the basis of the coordinate of intersection point PXN.That is, The position of brightness center PXG is different from the position of geometric center PXC, and the position with intersection point PXN is roughly the same.

Figure 16 is the figure at the brightness center for representing the unit pixel in the case of the gray value L4 illustrated in Figure 14.In diagram Example in, as shown in figure bend, section SG13, SG23, SG33, SG43 are in an ON state.Now, sub-pixel P1 and The brightness center of brightness center P1G and P3G equivalent to section SG13 and SG33 of the monomer of P3.The section SG13 of L shape The brightness center of monomer can use (2) formula to count as two brightness centers of the sub-segments S11 and S12 of quadrangle Calculate.The rectangle that sub-segments S11 is adjacent with boundary line B1 and Y extends in a second direction.Sub-segments S12 is to be located at boundary line B2 And the rectangle that X extends between sub-segments S11 and in the first direction.The brightness center of the section SG33 monomers of L shape can (2) formula is used to calculate as two brightness centers of the sub-segments S31 and S32 of quadrangle.Sub-segments S31 is and border Line B1 it is adjacent and in a second direction Y extend rectangle.Sub-segments S32 be located between boundary line B2 and sub-segments S31 and The rectangle that X extends in the first direction.

The size of the unit pixel PX illustrated in Figure 16 is identical with Figure 15.Brightness center P1G as coordinate representation for (X1, Y1)=(85.7,40.1).Brightness center P3G is (X3, Y3)=(86.6,281.1) as coordinate representation.In addition, sub-pixel P1 On-state region cartographic represenation of area be S1=13742.The cartographic represenation of area in the region of the on-state of sub-pixel P3 is S3 =22464.Formula (2) is substituted into by the numerical value by more than, YG=129.1 is calculated.Formula (2) is substituted into by the numerical value by more than, Calculate YG=131.4.The position of the geometric center PXC of unit pixel PX and the intersection point PXN of boundary line B1 and B2 is as schemed As 15 is illustrated.The brightness center PXG of unit pixel PX is (173,131.4) as coordinate representation.Brightness center PXG away from It is 173-131.4=41.6 in Y-coordinate from the deviation of geometric center PXC.The deviation of brightness center PXG range intersections PXN is in Y On coordinate be 131.4-130=1.4, on the basis of the coordinate of intersection point PXN but 1.08%.That is, the position of brightness center PXG with The position of geometric center PXC is different, and the position with intersection point PXN is roughly the same.

According to the second above-mentioned configuration example, unit pixel PX has sub-pixel P1 and P2, the son of X arrangements in the first direction Pixel P3 and P4, sub-pixel P1 to P4 is respectively including three sections.The brightness center of unit pixel PX is showing each gray scale It is roughly the same under state and different from the position of the geometric center PXC of unit pixel PX.Display device DSP is by making vision The low blue sub-pixel P3 of sensitivity more than the sub-pixel P1 and P2 of red and green, in can improving unit pixel PX Color balance.In addition, display device DSP pass through to make the big white sub-pixel P4 of influence for brightness more than it is red with And the sub-pixel P1 and P2 of green, it is possible to increase the brightness of unit pixel PX.In addition, display device DSP in each gray scale L0 extremely In L7, the spacing of the position of the brightness center PXG of adjacent unit pixel PX does not change, therefore, it is possible to suppress gamma characteristic Deterioration.That is, in this configuration example, the sub-pixel P1 and P4 corresponding with each color in unit pixel PX can so be changed Size and improve the balance of color as unit pixel PX, and the brightness center PXG of unit pixel PX can be with each ash Degree L0 to L7 is independently set to roughly the same, is achieved in the raising of image quality.

Therefore, it is possible to provide a kind of display dress that display quality can be improved in the composition for applying area gray level method Put.

In addition, the section SG11 of sub-pixel P1 including quadrangle, positioned at than section SG11 closer to the several of unit pixel PX The section SG12 of the L shape of the side of what center PXC, positioned at than section SG11 away from the L shape of the side of geometric center PXC Section SG13.Thus, in each gray scale L0 to L7, the movement at the brightness center of sub-pixel P1 monomers can be reduced.Therefore, it is possible to A kind of display device for improving display quality is provided.

(the second configuration example：First variation)

Figure 17 is the figure of other examples of the layout for representing image element circuit CR.On image element circuit CR11 to CR13, pixel The layout of circuit CR21 to CR23, image element circuit CR31 to CR33 and image element circuit CR41 to CR43, such as reference picture 7 are carried out As explanation.

Here, illustrating the composition of image element circuit by taking image element circuit CR11 to CR13 as an example.Corresponding with image element circuit CR Region, the connecting portion CT illustrated by the latch portion LT and Fig. 5 illustrated by Fig. 2 is configured with top view.Latch portion LT And connecting portion CT such as Y arranged adjacents in a second direction.Image element circuit CR11 to CR13 is under top view in respective Centre portion includes latch portion LT11 to LT13.As reference picture 13 etc. has been described above, connection pixel electrode PE13 is electric with pixel The connecting portion CT13 of road CR11 is configured in region corresponding with image element circuit CR11.Equally, pixel electrode PE11 and pixel are connected The connecting portion CT11 of circuit CR12 is configured in region corresponding with image element circuit CR12.Connection pixel electrode PE12 and image element circuit The connecting portion CT12 of CR13 is configured in region corresponding with image element circuit CR13.Connecting portion CT13, CT11 and CT12 are in order to keep away Open overlap with latch portion LT11 to LT13, therefore central portion under top view from image element circuit CR11 to CR13 is along second Direction Y deviates.In the example in the figures, connecting portion CT13 configurations latch portion LT11 and the LT31 of the arrangements of Y in a second direction it Between.Connecting portion CT11 and connecting portion CT12 are similarly configured between the latch portion for arranging in a second direction.

Equally, image element circuit CR21 to CR23 includes latch portion LT21 to LT23, image element circuit in respective central portion CR31 to CR33 includes latch portion LT31 to LT33, image element circuit CR41 to CR43 in respective central portion in respective central portion Including latch portion LT41 to LT43.

Connecting portion CT22, CT21, CT23 are arranged respectively at region corresponding with image element circuit CR21, CR22, CR23.Connection Portion CT33, CT31, CT32 are arranged respectively at region corresponding with image element circuit CR31, CR32, CR33.Connecting portion CT42, CT41, CT43 is arranged respectively at region corresponding with image element circuit CR41, CR42, CR43.Connecting portion CT22, CT21, CT23 are respectively from picture Y deviates the central portion of plain circuit CR21 to CR23 in a second direction.Connecting portion CT33, CT31, CT32 are respectively from image element circuit Y deviates the central portion of CR31 to CR33 in a second direction.Connecting portion CT42, CT41, CT43 respectively from image element circuit CR41 to Y deviates the central portion of CR43 in a second direction.

The connecting portion CT11 to CT13 for belonging to same sub-pixel P1 is located on the same straight line of X along a first direction.Separately Outward, the latch portion LT11 to LT13 for belonging to same sub-pixel P1 is located on the same straight line of X along a first direction.Belong to along The connecting portion CT11 to CT13 and connecting portion CT21 to CT23 of one direction X adjacent sub-pixel P1 and P2 are located at along the On the same straight line of one direction X.Equally, latch portion LT11 to LT13 and latch portion LT21 to LT23 is located at along first party To on the same straight line of X.Connecting portion CT31 to CT33 and connecting portion CT41 to CT43 is same positioned at X's along a first direction On straight line.Latch portion LT31 to LT33 and latch portion LT41 to LT43 is located on the same straight line of X along a first direction.

The shape and size of each image element circuit CR are equal to each other.In addition, the latch portion LT in each image element circuit CR And the position of connecting portion CT is identical, therefore latch portion LT and connecting portion CT is arranged alternately on second direction Y.For example, having in mind In Y in a second direction adjacent image element circuit CR11 and CR31, latch portion LT11, connecting portion CT13, latch portion LT31, connection Portion CT33 is arranged alternately successively on second direction Y.

Figure 18 is the pixel electricity shown in the pixel electrode PE and Figure 17 in the unit pixel PX for represent the composition shown in Figure 11 One figure of example of the annexation of road CR.Additionally, the construction on each connecting portion as described below, such as reference picture 5 are carried out As explanation.In addition, as described in Figure 6, unit pixel PX and the respective external dimensions of sub-pixel P1 to P4 are set to, Equivalent to the region for contributing to display, and it is the region marked off by light shield layer.

Sub-pixel P1 includes：By the electrode group constituted positioned at the respective pixel electrode PE11 to PE13 of section SG11 to SG13 The PE1 and circuit group CR1 being made up of image element circuit CR11 to CR13.Pixel electrode PE11 has the shape with section SG11 The shape of corresponding quadrangle, is electrically connected using connecting portion CT11 with image element circuit CR12.Pixel electrode PE12 has and section The shape of the corresponding L shape of shape of SG12, utilizes connecting portion CT12 and image element circuit in the subregion A12 shown in Fig. 6 CR13 is electrically connected.Pixel electrode PE13 has the shape of L shape corresponding with the shape of section SG13, in the sub-district shown in Fig. 6 Electrically connected with image element circuit CR11 using connecting portion CT13 in the A13 of domain.The area of pixel electrode PE12 is more than pixel electrode PE11, The area of pixel electrode PE13 is more than pixel electrode PE12.The area ratio of pixel electrode PE11 to PE13 is 1：2：4 (=2⁰：2¹： 2²).Connecting portion CT11 to CT13 each via electrode group PE1 central portion.Pixel electrode PE11 to PE13 is at least being configured with X arrangements in the first direction in the region of connecting portion CT11 to CT13.Circuit group CR1 included by sub-pixel P1 with connecting portion It is inclined from the viewing area of sub-pixel P1 on the direction (second direction Y) that the orientation (first direction X) of CT11 to CT13 intersects From.

From the position overlapped with corresponding circuit group CR1, Y is inclined in a second direction under top view for of electrode group PE1 From.In addition, a part of electrode group PE1 is overlapped in the electricity of the circuit group CR1 other sub-pixel P3s adjacent with Y in a second direction Region between road group CR3.In addition, a part of electrode group PE1 is Chong Die with circuit group CR3.

Pixel electrode PE11 is Chong Die with image element circuit CR12.The picture of pixel electrode PE12 and in a second direction Y arranged adjacents Plain circuit CR13 and CR33 is overlapped.The pixel electrode PE13 and image element circuit CR11 of Y arranged adjacents in a second direction and CR31 is overlapped.Control line CL2 illustrated in Figure 17 is carried out between Y in a second direction adjacent circuit group CR1 and circuit group CR3 Extend, control line CL2 is Chong Die with pixel electrode PE12 and PE13.In addition, control line CL2 and pixel electrode PE11 and pixel electricity The border line overlap of pole PE12.

Equally, in sub-pixel P2, pixel electrode PE21 is electrically connected using connecting portion CT21 with image element circuit CR22.Pixel Electrode PE22 is electrically connected using connecting portion CT22 with image element circuit CR21.Pixel electrode PE23 is using connecting portion CT23 and pixel electricity Road CR23 is electrically connected.Connecting portion CT21 to CT23 is respectively by the central portion of electrode group PE2.Pixel electrode PE21 to PE23 is extremely The X arrangements in the first direction of a few part.The part for the electrode group PE2 being made up of pixel electrode PE21 to PE23 from it is corresponding Y deviates in a second direction for the position that circuit group CR2 is overlapped, the circuit group weight of other sub-pixels adjacent with Y in a second direction It is folded.

In sub-pixel P3, pixel electrode PE31 is electrically connected using connecting portion CT31 with image element circuit CR32.Pixel electrode PE32 is electrically connected using connecting portion CT32 with image element circuit CR33.Pixel electrode PE33 utilizes connecting portion CT33 and image element circuit CR31 is electrically connected.Connecting portion CT31 to CT33 is respectively by the central portion of electrode group PE3.Pixel electrode PE31 to PE33 is at least Part X arrangements in the first direction.The part for the electrode group PE3 being made up of pixel electrode PE31 to PE33 from corresponding electricity Y deviates in a second direction for the position that road group CR3 is overlapped, and the circuit group CR1 of the sub-pixel P1 adjacent with Y in a second direction is overlapped.

In sub-pixel P4, pixel electrode PE41 is electrically connected using connecting portion CT41 with image element circuit CR42.Pixel electrode PE42 is electrically connected using connecting portion CT42 with image element circuit CR41.Pixel electrode PE43 utilizes connecting portion CT43 and image element circuit CR43 is electrically connected.Connecting portion CT41 to CT43 is respectively by the central portion of electrode group PE4.Pixel electrode PE41 to PE43 is at least Part X arrangements in the first direction.The part for the electrode group PE4 being made up of pixel electrode PE41 to PE43 from corresponding electricity Y deviates in a second direction for the position that road group CR4 is overlapped, and the circuit group CR2 of the sub-pixel P2 adjacent with Y in a second direction is overlapped.

From the position Chong Die with the viewing area of unit pixel PX, Y deviates circuit group CR1 to CR4 in a second direction.Circuit The group respective equal lengths along second direction Y of CR1 to CR4, are rectangle or square.In addition, circuit group CR1 to CR4 Area be equal to each other.The length along second direction Y of circuit group CR1 is longer than the length along second direction Y of sub-pixel P1 Degree.In addition, the length along second direction for being shorter in length than sub-pixel P3 along second direction Y of circuit group CR3.Circuit group CR1 is equal with the length LY along second direction Y of unit pixel PX with the length sum along second direction Y of CR3.

Connecting portion CT11 to CT13 and connecting portion CT21 to the CT23 position that X is arranged in the first direction and connecting portion The spacing along second direction Y of CT31 to CT33 and connecting portion CT41 to the CT43 position of X arrangements in the first direction is single About the 1/2 of the length LY along second direction Y of position pixel PX.

In addition, in sub-pixel P1, its area (or three section SG11 to SG13 be combined the gross area) is less than The gross area that the respective setting area of image element circuit CR11 to CR13 is combined.Equally, the area of sub-pixel P2 is less than pixel The gross area that the respective setting area of circuit CR21 to CR23 is combined.The area of sub-pixel P3 is more than image element circuit CR31 extremely The gross area that the respective setting area of CR33 is combined, the area of sub-pixel P4 is respective more than image element circuit CR41 to CR43 The gross area that setting area is combined.(image element circuit CR11 is extremely for the area of unit pixel PX1 and 12 image element circuits CR13, image element circuit CR21 to CR23, image element circuit CR31 to CR33, image element circuit CR41 to CR43) setting area close exist The gross area together is roughly equal.

Figure 19 is the figure of other of the annexation for representing the image element circuit CR shown in pixel electrode PE and Figure 17.Figure 19 Shown example compared with Figure 18 example illustrated, circuit group CR1, CR2, CR3, CR4 position along second direction Y Carry out deviateing this point difference.The boundary line phase of the boundary line of circuit group CR1 and circuit group CR3 and electrode group PE1 and electrode group PE3 It is right.The boundary line of circuit group CR2 and circuit group CR4 is relative with the boundary line of electrode group PE2 and electrode group PE4.Additionally, connecting portion Position relative to electrode group is identical with Figure 18 example illustrated.

Image element circuit CR11 is Chong Die with pixel electrode PE13.Image element circuit CR12 and pixel electrode PE11, PE12, PE13 weight It is folded.Image element circuit CR13 is Chong Die with pixel electrode PE12, PE13.Image element circuit CR21 is Chong Die with pixel electrode PE22, PE23.Picture Plain circuit CR22 is Chong Die with pixel electrode PE21, PE22, PE23.Image element circuit CR23 is Chong Die with pixel electrode PE23.Pixel electricity Road CR31 is Chong Die with pixel electrode PE33.Image element circuit CR32 is Chong Die with pixel electrode PE31, PE32.Image element circuit CR33 and picture Plain electrode PE32 is overlapped.Image element circuit CR41 is Chong Die with pixel electrode PE42.Image element circuit CR42 and pixel electrode PE41, PE42 Overlap.Image element circuit CR43 is Chong Die with pixel electrode PE43.

The boundary line of the control line CL2 and electrode group PE1 and electrode group PE3 illustrated in Figure 17 and electrode group PE2 and electricity The border line overlap of pole group PE4.Control line CL3 illustrated in Figure 17 is Chong Die with pixel electrode PE33 in electrode group PE3.Separately Outward, the boundary line of control line CL3 and pixel electrode PE33 and pixel electrode PE31 and pixel electrode PE33 and pixel electrode The border line overlap of PE32.Equally, control line CL3 is Chong Die with pixel electrode PE43 in electrode group PE4.In addition, control line CL3 Boundary line and the boundary line weight of pixel electrode PE43 and pixel electrode PE42 with pixel electrode PE43 and pixel electrode PE41 It is folded.

As shown in Figure 5, pixel electrode PE and image element circuit CR layered configuration each other, pixel electrode PE and control Line CL layered configurations each other.Therefore, as illustrated by Figure 18 and Figure 19, as long as pixel electrode PE and image element circuit CR It is attached by connecting portion CT, then the position of pixel electrode PE is not particularly limited, can be from Chong Die with image element circuit CR Deviate in region, it is also possible to which the position with control line CL independently configures.

According to this above-mentioned configuration example, display device DSP includes that sub-pixel P1 to P4, sub-pixel P1 have section SG11 extremely SG13.A part positioned at the respective electrode group PE1 of section SG11 to SG13 is from the circuit group electrically connected with same electrode group PE1 The positional deviation that CR1 is overlapped.The circuit group weight of a part of the electrode group PE1 other sub-pixels adjacent with Y in a second direction It is folded.Image element circuit CR1 X arrangements in the first direction, connecting portion CT11 to CT13 is from the central portion edge of image element circuit CR11 to CR13 Second direction Y deviates.Connecting portion CT along a first direction X and second direction Y equidistantly arranging.Therefore, display device DSP exists In each sub-pixel P, it is not necessary to which setting only to have on the layer between these pixel electrodes PE and image element circuit CR is used in pixel The conductor (electrode) of the function of being relayed between electrode PE and image element circuit CR.In the present embodiment, arranged in X in the first direction Connecting portion CT in, can easily connect each image element circuit CR of identical topology and each pixel electrode PE of shape different from each other.

Accordingly, it is not necessary to be used to set the additional manufacturing process of the conductor of relaying etc..In addition, it is not necessary that with section Shape correspondingly changes the layout of image element circuit CR, can mitigate the burden of circuit design.In addition, the layout of each image element circuit CR Without restricting for the position by being connected with pixel electrode PE, therefore, it is possible to the integrated image element circuit in the region of limited area CR, can realize High precision.

In addition, the section SG11 of sub-pixel P1 including quadrangle, along section SG11 intersection both sides 11A and 11C The section SG12 of the L shape of configuration and along section SG11 other both sides 11B and 11D configure L shape section SG13.Pixel electrode PE11 to 13 is configured along section SG11 to 13.Thus, in the change of gray scale, son can be reduced The change of the position at the brightness center of pixel P1 monomers.Therefore, it is possible to provide a kind of display device for improving display quality.Separately Outward, each sub-pixel P1 to P4 includes section SG12,22,32,42 in the side of the geometric center PXC near unit pixel PX, Side away from the geometric center PXC of unit pixel PX includes section SG13,23,33,43, in each gray scale L0 to L7, unit The position of the brightness center PXG of pixel PX is roughly the same.Therefore, the flicker of image during display device DSP suppression grey scale change, Display quality can be improved.

Area of the area of sub-pixel P3 and P4 more than sub-pixel P1 and P2.Sub-pixel P3 is blue pixel, therefore Display device DSP is by the area of each sub-pixel P1 to P4 than correcting low, the Neng Gougai of the visual sensitivity of blue pixel The balance of the color development of kind unit pixel PX.In addition, display device DSP passes through to make the white sub-pixel big for the influence of brightness P4 can improve the brightness of unit pixel PX more than the sub-pixel P1 and P2 of red and green.Additionally, component unit picture The area of the sub-pixel P1 to P4 of plain PX can suitably set with the tone required by unit pixel PX, white balance etc..In addition, The spacing of the position of the brightness center PXG of display device DSP adjacent in each gray scale L0 to L7 unit pixel PX does not become Change, therefore, it is possible to suppress the deterioration of gamma characteristic.I.e., in the present embodiment, by so change in unit pixel PX with The size of assorted corresponding sub-pixel P1 and P4 and improve the balance of color as unit pixel PX, and unit pixel PX Brightness center PXG can be independently roughly the same with each gray scale L0 to L7, be achieved in the raising of image quality.

(the second configuration example：Light shield layer)

Next, a configuration example of the light shield layer BM of explanation configuration corresponding with the unit pixel PX of present embodiment.

Figure 20 is the figure of the configuration example for representing light shield layer BM.Here, as the configuration example of unit pixel PX, applying figure The second configuration example shown in 11, but it is also possible to the first configuration example shown in application drawing 6.Additionally, in figure, light source is located at second party To the minus side of Y, main view angular range is set to the positive side of second direction Y.Here, main view angular range observes Fig. 4 institutes equivalent to by user The orientation of the direction of the display panel PNL of the reflection-type shown orthographic projection on an x-y plane.In the main view angular range, from The light that light source LS injects display panel PNL is reflected, and is scattered by scattering layer FS, and brightness is most bright, and (or reflectivity is most It is high).In the case of positive side of the main view angular range for second direction Y, compared with the sub-pixel of the arrangements of X in the first direction, In a second direction easily colour mixture is significantly produced in the sub-pixel of Y arrangements.For example, on sub-pixel P1 and P3, by sub-pixel Most green colored filters through the configuration in sub-pixel P1 of the light of P1 reflections.On the other hand, sub-pixel P1 In a part reflected light through in sub-pixel P3 configure blue colored filter, colour mixture is thus produced sometimes.

Light shield layer BM has the light shielding part BMX1 to BMX3 that X extends in the first direction and the screening that Y extends in a second direction Light portion BMY1 to BMY3, is respectively divided out sub-pixel P1 to P4.

Light shielding part BMX1 to BMX3 has identical width W1 respectively.Light shielding part BMY1 to BMY3 has identical wide respectively Degree W2.Width W1 is different from width W2.For example, the light shielding part between sub-pixel P1 and P2 and sub-pixel P3 and P4 The width W1 of BMX2 is bigger than the width W2 of the light shielding part BMY2 between sub-pixel P1 and P3 and sub-pixel P2 and P4.This Outward, as illustrated, light shield layer BM is also disposed in constituting between the section of each sub-pixel.Light shield layer positioned between section has substantially Identical width, for example with light shielding part BMY2 identical width W2.

According to this configuration example, in the sub-pixel of the arrangements of Y in a second direction, even if a part in the sub-pixel of a side Reflected light reflects towards the sub-pixel of the opposing party, it is also possible to using light shielding part BMX2 come shading, therefore suppresses colour mixture.Thus, energy Enough suppress the deterioration of display quality.

(the 3rd configuration example)

Figure 21 is the figure of the 3rd configuration example for representing unit pixel PX.Shown in the 3rd configuration example and Figure 11 shown in Figure 21 Second configuration example compares, and the section of minimum area is located at the geometric center PXC's near unit pixel PX in each sub-pixel This point of side is different.

In each unit pixel PX, section SG11, SG21, SG31, SG41 of minimum area are equivalent to being located most closely to The region of the quadrangle of the side of geometric center PXC.Section SG13, SG23, SG33, SG43 of maximum area are equivalent to positioned at most Away from the region of the L shape of the side of geometric center PXC.Section SG12, SG22, SG32, SG42 are equivalent to positioned at minimum area Section SG11 to SG41 and the section SG13 to SG43 of maximum area between L shape region.Sub-pixel P1 and P3 have Have relative to boundary line B2 and the symmetrical composition of sub-pixel P2 and P4 line.The length LYa of the second direction Y of sub-pixel P1 is shorter than The first direction of the length LX/2 and sub-pixel P2 of the first direction X of the length LYb of the second direction of sub-pixel P3, sub-pixel P1 The length LX/2 of X is equal.Length LYa is shorter than length LX/2, and length LX/2 is shorter than length LYb.

In such 3rd configuration example, it is also possible to obtain effect same as described above.

(comparative example)

Figure 22 is the figure of the comparative example for representing unit pixel PX.Comparative example shown in Figure 22 and the first composition shown in Fig. 6 Example compares, and the section of minimum area is located at this point of the side of geometric center PXC near unit pixel PX in each sub-pixel It is different.

It is conceived to sub-pixel P1, the section SG11 of minimum area is equivalent to the side for being located most closely to geometric center PXC The region of quadrangle, the area of the L shapes of the section SG13 equivalent to the side for being located furthest from geometric center PXC of maximum area Domain, regions of the section SG12 equivalent to the L shape between section SG11 and SG13.Sub-pixel P2 has relative to border Line B2 and the symmetrical composition of sub-pixel P1 lines.Sub-pixel P3 has relative to boundary line B1 and the symmetrical composition of sub-pixel P1 lines. Sub-pixel P4 has the composition relative to geometric center PXC and sub-pixel P1 point symmetries.Sub-pixel P1 to P4 respectively have with it is each The pixel electrode of the corresponding shape of individual section.

Here, in the comparative example of diagram, for the connection of each image element circuit shown in electrical connection graph 7 and each pixel electrode The layout in portion is studied.

First, for figure in round "○" shown in the layout of connecting portion CTA studied.Positioned at three of sub-pixel P1 Connecting portion CTA X arrangements in the first direction.Therefore, three image element circuits corresponding with section SG11 to SG13 can apply identical Layout.However, be conceived to the sub-pixel P1 and P3 of the arrangement of Y in a second direction, connecting portion CTA be located relative to boundary line B1 and The symmetrical position of line.Therefore, the respective image element circuit of section SG11 and SG31 of Y arrangements cannot apply identical in a second direction Layout is, it is necessary in the location layout connecting portion CTA symmetrical relative to boundary line B1 lines.In other words, in the unit pixel of diagram In PX, 12 image element circuits are connected respectively with pixel electrode, but in six pixel electricity of the upside half across boundary line B1 In six image element circuits of road and downside half, it has to apply different layouts.

Next, being studied for the layout of the connecting portion CTB shown in the square " " in figure.Positioned at sub-pixel P1's Three connecting portion CTB are arranged radially from geometric center PXC.Therefore, three pixel electricity corresponding with section SG11 to SG13 Have to using different layouts on road.Certainly, corresponding three image element circuits are similarly made respectively should for other sub-pixels With different layouts.

So, in a comparative example, it is impossible to easily connect each picture of each image element circuit with shape different from each other of identical topology Plain electrode.In be connected, it is necessary to be used between pixel electrode and image element circuit with present embodiment identical After conductor etc., so as to cause the increase of the increase of manufacturing process, manufacturing cost.

As described above, according to present embodiment, using the teaching of the invention it is possible to provide a kind of in the composition for applying area gray level method Configure merely and compactly the display device of the section in each pixel.

Additionally, illustrating several implementation methods of the present utility model, these implementation methods are pointed out as an example, not The scope of intended limitation utility model.Above-mentioned novel implementation method can be implemented by various forms in addition, Do not depart from the range of utility model purport, various omissions, displacement, change can be carried out.Above-mentioned implementation method and its deformation bag Scope, the purport of utility model are contained in, and are contained in the scope of the utility model described in claims and its equalization.

Claims (20)

1. a kind of display device, it is characterised in that

Including unit pixel, the unit pixel has the first sub-pixel, the second sub-pixel, the 3rd for showing different colours respectively Sub-pixel and the 4th sub-pixel,

First sub-pixel, second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel include being used for respectively The first section, the second section and the 3rd section of the gray scale of 3 bits are shown,

First section be have first while, second while, the 3rd while and quadrangle when the 4th region,

Second section is located at the side of the geometric center than first section closer to the unit pixel, and is edge First section intersection described first while and the when described second and region of L shape that is formed,

3rd section is located at than first section further from the side of the geometric center, and is along described first The described 3rd of the intersection of section while and when the described 4th and region of L shape that is formed.

2. display device according to claim 1, it is characterised in that

The display device also includes：

Pixel electrode, respectively positioned at first section, second section and the 3rd section；And

Image element circuit, any current potential in signal potential corresponding with binary gray scale is supplied to the pixel electrode.

3. display device according to claim 2, it is characterised in that

Respectively with first section, second section and the corresponding image element circuit of the 3rd section along first party To arrangement,

First section, second section and the 3rd section each in, electrically connect the pixel electrode with it is described The connecting portion of image element circuit is on the same straight line along the first direction.

4. display device according to claim 1, it is characterised in that

The first area that first sub-pixel and second sub-pixel occupy in the unit pixel respectively,

The first area described in 3rd sub-pixel and the 4th sub-pixel difference occupation ratio in unit pixel it is big second Area.

5. display device according to claim 4, it is characterised in that

In first sub-pixel and second sub-pixel, length ratio along a first direction along with the first direction The length of the second direction of intersection is long,

In the 3rd sub-pixel and the 4th sub-pixel, along the length ratio of the first direction along the second party To length it is short.

6. display device according to claim 1, it is characterised in that

First sub-pixel and second sub-pixel show green and red respectively,

3rd sub-pixel and the 4th sub-pixel show blue and white respectively.

7. display device according to claim 1, it is characterised in that

The display device also includes：

The first light shielding part with the first width, positioned at first sub-pixel and second sub-pixel and the 3rd sub- picture Between plain and described 4th sub-pixel, and extend in a first direction；And

The second light shielding part with the second width, positioned at first sub-pixel and the 3rd sub-pixel and the described second sub- picture Between plain and described 4th sub-pixel, and extend along the second direction intersected with the first direction,

First width is different from second width.

8. display device according to claim 7, it is characterised in that

First width is more than second width.

9. display device according to claim 1, it is characterised in that

The area ratio of first section, second section and the 3rd section is 1：2：4.

10. display device according to claim 1, it is characterised in that

The region of the quadrangle of first section and second members is the quadrangle of first section The similar shape in region.

11. display devices according to claim 1, it is characterised in that

The region of the quadrangle of first section, second section and the 3rd members is firstth area The similar shape in the region of the quadrangle of section.

12. display devices according to claim 1, it is characterised in that

The first area that first sub-pixel and second sub-pixel occupy in the unit pixel respectively,

It is different from first area that 3rd sub-pixel and the 4th sub-pixel occupy in the unit pixel respectively Second area,

The position at the brightness center of the unit pixel is roughly the same in the state of each gray scale is shown, and with the unit picture The position of the geometric center of element is different.

13. display devices according to claim 12, it is characterised in that

The unit pixel is formed as quadrangle,

The position of the geometric center is two positions of cornerwise intersection point in the quadrangle.

14. display devices according to claim 13, it is characterised in that

The display device also includes：

First boundary line, between first sub-pixel and the 3rd sub-pixel and positioned at second sub-pixel and institute State between the 4th sub-pixel, and extend in a first direction；And

The second boundary line, between first sub-pixel and second sub-pixel and positioned at the 3rd sub-pixel and institute State between the 4th sub-pixel, and along the second direction extension intersected with the first direction,

The geometric center and the brightness are centrally located on the second boundary line.

15. display devices according to claim 14, it is characterised in that

The position at the brightness center is roughly the same with the intersection point of first boundary line and the second boundary line.

16. display devices according to claim 1, it is characterised in that

First sub-pixel, second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel have respectively：

Electrode group, by being located at first section, the first pixel electrode of second section and the 3rd section, the respectively Two pixel electrodes and the 3rd pixel electrode are constituted；And

Circuit group, by being electrically connected with first pixel electrode, second pixel electrode and the 3rd pixel electrode respectively The first image element circuit, the second image element circuit and the 3rd image element circuit constitute,

A part for the electrode group of first sub-pixel is under top view from Chong Die with the circuit group of first sub-pixel Positional deviation.

17. display devices according to claim 16, it is characterised in that

The circuit group of a part for the electrode group of first sub-pixel and first sub-pixel with and first sub-pixel Region between the circuit group of other adjacent sub-pixels overlaps.

18. display devices according to claim 16, it is characterised in that

A part for the electrode group of first sub-pixel with and adjacent other sub-pixels of first sub-pixel circuit group Overlap.

19. display devices according to claim 16, it is characterised in that

First pixel electrode, second pixel electrode and the respective at least a portion of the 3rd pixel electrode are along first Direction arranges,

First image element circuit, second image element circuit and the 3rd image element circuit are each respectively formed as along described The length of the first direction region shorter than length along the second direction intersected with the first direction, and along described first Direction arranges,

The electrode group of first sub-pixel deviates relative to the circuit group of first sub-pixel along the second direction.

20. display devices according to claim 19, it is characterised in that

For connecting first pixel electrode with the connecting portion of first image element circuit from first image element circuit Deviate along the second direction in centre portion.