TWI582506B - Pixel array and pixel structure - Google Patents

Description

Pixel array and pixel structure

The present invention relates to a pixel array and a pixel structure, and more particularly to a pixel array and a pixel structure of a liquid crystal display panel having high contrast.

Due to its advantages of lightness, thinness, and energy saving, liquid crystal display panels have been widely used in various electronic products, such as smart phones, notebook computers, and tablet PCs. In order to provide a wide viewing angle display, a Polymer-Stabilized Alignment (PSA) liquid crystal display panel has been commonly used to produce high contrast and wide viewing angle displays such as televisions (TVs) and monitors (Monitor). , notebook computer (notebook computer) and public information transmission (Public Information Display). The polymer stabilized alignment type liquid crystal display panel is formed by adding a small amount of photocurable alignment monomer to the liquid crystal material, applying a voltage to the liquid crystal material to cause a pretilt angle of the liquid crystal molecules, and appropriately irradiating the ultraviolet light to make the liquid crystal molecules pretilt angle. Fix and complete the stabilization of the polymer. However, in the conventional liquid crystal display panel, in order to avoid excessive coupling capacitance between the pixel electrode and the data line, there is a gap between the pixel electrode and the data line, so in the dark state, the pixel electrode cannot control the corresponding gap. The liquid crystal molecules, the light easily leaks out of the gap, causing dark state light leakage. Although the gap can be shielded by the black matrix, this design will limit the aperture ratio of the pixels.

The above disclosure in this prior art section is only for enhancement of understanding of the background of the invention. Accordingly, it may be included that does not constitute any part of the prior art and does not constitute an admission that the prior art may have the benefit of those of ordinary skill in the art.

One of the objects of the present invention is to provide a pixel array and a pixel structure, which are configured by disposing a first portion and a second portion of a pixel electrode and matching a shielding electrode and a common electrode of the bent structure to increase the aperture ratio of the pixel. And to avoid dark light leakage between the data line and the pixel electrode.

An embodiment of the present invention provides a pixel array including a substrate, a first sub-pixel, a second sub-pixel, a first data line, and a common electrode. The first sub-pixel is disposed on the substrate, wherein the first sub-pixel comprises a first pixel electrode and a first shielding electrode. The second sub-pixel is disposed on the substrate and adjacent to the first sub-pixels, wherein the second sub-pixel comprises a second pixel electrode and a second shielding electrode. The first data line is located between the first sub-pixel and the second sub-pixel, wherein the first pixel electrode and the first data line have a first slit, and the second pixel electrode and the first data line There is a second slit between them. The common electrode is disposed along the first data line, and the common electrode includes a first sub-common electrode and a second sub-common electrode electrically connected to each other, wherein the first sub-common electrode and the first shielding electrode are shielded from the first slit The overlapping arrangement, and the second sub-common electrode and the second shielding electrode are overlapped with the second slit.

Another embodiment of the present invention provides a pixel structure including a first substrate, a scan line, a data line, an active device, a first shielding electrode, a pixel electrode, and a common electrode. The scan line is disposed on the first substrate. The data lines are alternately arranged with the scan lines, wherein the data lines extend in a direction, and the data lines have a first side and a second side opposite to each other along the extending direction thereof. The active component is electrically connected to the scan line and the data line. The first shielding electrode is disposed on the first substrate, the first shielding electrode includes a first strip portion, a second strip portion and a first connecting portion, wherein the two ends of the first connecting portion are respectively associated with the first strip The portion is coupled to the second strip, whereby the first connecting portion and the first strip portion and the second strip portion respectively form a bent structure. The pixel electrode is electrically connected to the active component, and the pixel electrode includes a first portion and a second portion respectively disposed on two sides of the first connecting portion, the first portion having a first side and a second side opposite to each other, The second portion has a third side and a fourth side opposite to each other, the first side is connected to the third side, and the second side is connected to the fourth side, wherein the first strip is overlapped with the first side of the pixel electrode, The second strip is overlapped with the fourth side of the pixel electrode, and there is no slit between the data line and the third side of the pixel electrode. The common electrode is disposed along the data line, wherein the common electrode includes a first sub-common electrode and a second sub-common electrode electrically connected to each other, the first sub-common electrode is overlapped with the first side of the data line, and the second sub-sub The common electrode is disposed to overlap the second side of the data line.

The present invention will be further understood by the following detailed description of the preferred embodiments of the invention, .

Please refer to FIG. 1 to FIG. 3 . FIG. 1 is a schematic top view of a pixel array according to a first embodiment of the present invention, and FIG. 2 is a cross-sectional view along line A-A′ of FIG. 1 . Figure 3 is a cross-sectional view taken along line BB' of Figure 1. As shown in FIG. 1 to FIG. 3, the pixel array PA provided in this embodiment may include a plurality of pixel structures PS arranged in an array manner. In order to clearly show the pixel array PA, the first figure is illustrated by only three pixel structures PS arranged in the same column, but the invention is not limited thereto. The pixel structure PS may include a first substrate Sub1, a data line DL, a scan line SL, a sub-pixel SP, and a common electrode CE. The data line DL is disposed substantially along the first direction D1, the scan line SL is disposed substantially along the second direction D2, and the data line DL and the scan line SL are alternately arranged with each other, and the sub-pixel SP is defined. The data line DL and the scan line SL are electrically insulated from each other through an insulating layer IN1. For example, the first direction D1 may be perpendicular to the second direction D2, but is not limited thereto. In the present invention, the extending direction of the acute angle of D1 in the first direction within 10 degrees can be regarded as being substantially along the first direction D1. In this embodiment, the pixel structure PS may further include a second substrate Sub2 and a display medium DM. The first substrate Sub1 and the second substrate Sub2 are disposed opposite to each other, and the display medium DM is disposed between the first substrate Sub1 and the second substrate Sub2. The first substrate Sub1 and the second substrate Sub2 may respectively include a transparent substrate such as a glass substrate, a plastic substrate, a quartz substrate, a sapphire substrate, or other suitable rigid substrate or flexible substrate. The data line DL, the scanning line SL, and the sub-pixel SP of the present embodiment are disposed on the first substrate Sub1 between the first substrate Sub1 and the display medium DM, but are not limited thereto. In addition, the second substrate Sub2 may be, for example, a color filter substrate including a counter electrode CTE, a color filter layer CF, and a black matrix BM, and the display medium DM includes a polymer stable alignment liquid crystal layer to make the pixel array PA It can be applied to a liquid crystal display panel, but the invention is not limited thereto.

The sub-pixel SP may include an active element AD, a shadow electrode SE, and a pixel electrode PE. The active device AD can be, for example, a thin film transistor device, and the gate G, the source S and the drain D are electrically connected to the corresponding scan line SL, the corresponding data line DL and the pixel electrode PE, respectively. The shielding electrode SE can be used to shield the dark state light leakage between the pixel electrode PE and the data line DL and reduce the degree of capacitive coupling between the pixel electrode PE and the data line DL. The pixel electrode PE can be electrically insulated from the data line DL through another insulating layer IN2.

In order to clearly explain the arrangement relationship between each pixel structure PS and the adjacent pixel structure PS, the following is an example of the first pixel structure PS1 and the second pixel structure PS2 which are arranged in the same column and adjacent to each other, but Not limited to this. Please refer to Figure 4 for further reference and refer to Figures 1 to 3 together. FIG. 4 is a top plan view showing a data line, a scan line and a sub-pixel of the pixel structure of the first embodiment of the present invention. As shown in FIG. 4, the sub-pixels SP1 of the first pixel structure PS1 and the second pixel structure PS2 are the first sub-pixel SP1 and the second sub-pixel SP2, respectively. The shielding electrodes SE of the first sub-pixel SP1 and the second sub-pixel SP2 are the first shielding electrode SE1 and the second shielding electrode SE2, respectively, and the pixel electrodes PE of the first sub-pixel SP1 and the second sub-pixel SP2 are respectively It is a first pixel electrode PE1 and a second pixel electrode PE2. The data lines DL of the first pixel structure PS1 and the second pixel structure PS2 are the first data line DL1 and the second data line DL2, respectively, and the first data line DL1 is located at the first sub-pixel SP1 and the second sub-pixel SP2 The second shielding electrode SE2 and the second pixel electrode PE2 of the second sub-pixel SP2 are located between the first data line DL1 and the second data line DL2.

Specifically, the first shielding electrode SE1 may include a first strip portion SEP1, a second strip portion SEP2, and a first connecting portion SEC1, wherein both ends of the first connecting portion SEC1 are respectively associated with the first strip portion SEP1 and The two strips SEP2 are connected, whereby the first connecting portion SEC1 forms a bent structure with the first strip portion SEP1 and the second strip portion SEP2. Precisely, the first strip SEP1 and the second strip SEP2 respectively extend from opposite ends of the first connecting portion SEC1 in opposite directions, and the first strip portion SEP1 and the second strip portion SEP2 may substantially follow The second direction D2 is set to form a shape pattern similar to lightning, which can also be said to be stepped. For example, the angle between the first strip SEP1 and the first connecting portion SEC1 and the angle between the second strip portion SEP2 and the first connecting portion SEC1 may be between 75 degrees and 105 degrees. Similarly, the second shielding electrode SE2 can have the same bending structure as the first shielding electrode SE1, that is, the second shielding electrode SE2 can include the third strip portion SEP3, the fourth strip portion SEP4, and the second connecting portion SEC2. The two ends of the second connecting portion SEC2 are respectively connected to the third strip portion SEP3 and the fourth strip portion SEP4, whereby the second connecting portion SEC2 and the third strip portion SEP3 and the fourth strip portion SEP4 are also formed. The first shielding electrode SE1 has a bent structure of the same shape pattern. Precisely, the third strip SEP3 and the fourth strip SEP4 respectively extend from opposite ends of the second connecting portion SEC2 in opposite directions, and the third strip portion SEP3 and the fourth strip portion SEP3 may substantially Set in the second direction D2. For example, the angle between the third strip SEP3 and the second connecting portion SEC2 and the angle between the fourth strip portion SEP4 and the second connecting portion SEC2 may be between 75 degrees and 105 degrees. In this embodiment, the first shielding electrode SE1, the second shielding electrode SE2 and the scanning line SL are formed by the same patterned metal layer, and the first shielding electrode SE1 and the second shielding electrode SE2 and the scanning line SL are structurally connected to each other. Separation. Moreover, the first shielding electrode SE1 and the second shielding electrode SE2 may respectively include a third connecting portion SEC3, and the third connecting portions SEC3 are connected to each other in series to form a common line. In this embodiment, the third connection portion SEC3 of the first shielding electrode SE1 and the second shielding electrode SE2 are respectively connected to the first strip portion SEP1 and the third strip portion SEP3, and not to the second strip portion SEP2. And the fourth strip SEP4 is connected. In another variant embodiment, the shielding electrode SE can also be formed from a different metal layer than the scanning line SL.

The first pixel electrode PE1 and the second pixel electrode PE2 may include a first portion P1 and a second portion P2, respectively. The first portion P1 and the second portion P2 of the first pixel electrode PE1 are respectively disposed on two sides of the first connecting portion SEC1, and the first portion P1 and the second portion P2 of the second pixel electrode PE2 are respectively disposed on the second connection. Both sides of the SEC2. The first portion P1 has a first side S1 and a second side S2 opposite to each other, and the second portion P2 has a third side S3 and a fourth side S4 opposite to each other, wherein the first pixel electrode PE1 is first The side S1 and the third side S3 face the first data line DL1, the second side S2 and the fourth side S4 face the third data line DL3, and the first side S1 and the third side S3 of the second pixel electrode PE2 face For the second data line DL2, the second side S2 and the fourth side S4 face the first data line DL1. The first side S1 can be connected to the third side S3, and the second side S2 can be connected to the fourth side S4. In other words, the first data line DL has a first side DLS1 and a second side DLS2 opposite to each other along the extending direction thereof (ie, the first direction D1), and the first pixel electrode PE1 is adjacent to the first data line DL1. The first side DLS1 may include a first side S1 and a third side S3, and the second pixel electrode PE2 adjacent to the second side DLS2 of the first data line DL1 may include a second side S2 and a fourth side S4.

Specifically, the pixel electrode PE is not rectangular, but the first portion P1 of the rectangle and the second portion P2 of the rectangle may be dislocated in the first direction D1 such that the first side S1 and the third side S3 are not in the same straight line. On the line, the second side S2 and the fourth side S4 are not on the same straight line. Moreover, the first side S1 is connected to the third side S3 through a turning edge, and the second side S2 is connected to the fourth side S4 through another turning edge. In the embodiment, the first portion P1 is disposed between the second portion P2 and the scan line SL. The first side S1 of the first portion P1 of the first pixel electrode PE1 is away from the first data line DL1 than the third side S3 of the second portion P2, and the first side S1 of the first portion P1 and the first data line DL1 are first. The vertical projection direction Z of the substrate Sub1 does not overlap, so that the first data line DL1 and the first side S1 of the first pixel electrode PE1 have a first slit ST1. That is, the spacing between the first side S1 and the first data line DL1 is greater than the spacing between the third side S3 and the first data line DL1. The fourth side S4 of the second portion P2 of the second pixel electrode PE2 is away from the first side line S2 of the first portion P1 away from the first data line DL1 facing the first side, and the fourth side S4 of the second portion P2 and the first data The line DL1 does not overlap in the vertical projection direction Z, so that there is a second slit ST2 between the first data line DL1 and the fourth side S4 of the second pixel electrode PE2. That is, the spacing between the fourth side S4 and the first data line DL1 is greater than the spacing between the second side S2 and the first data line DL1. In this embodiment, the third side S3 of the second portion P2 of the first pixel electrode PE1 and the first side DLS1 of the first data line DL1 may have no gap in the vertical projection direction Z, and the first pixel electrode PE1 The third side S3 and the first shielding electrode SE1 do not overlap in the vertical projection direction Z. Preferably, the third side S3 of the first pixel electrode PE1 and the side of the first data line DL1 facing the third side S3 are substantially aligned in the vertical projection direction Z, that is, overlap each other to enhance the pixel. The aperture ratio is such that light leakage between the first data line DL1 and the second portion P2 of the first pixel electrode PE1 is avoided. The second side S2 of the first portion P1 of the second pixel electrode PE2 and the second side DLS2 of the first data line DL1 may have no gap in the vertical projection direction Z, and the second side S2 of the second pixel electrode PE2 The second shielding electrodes SE2 do not overlap in the vertical projection direction Z. Preferably, the second side S2 of the second pixel electrode PE2 and the side of the first data line DL1 facing the second side S2 are substantially aligned in the vertical projection direction Z, that is, the two can overlap each other to The aperture ratio of the pixel is increased, and light leakage between the first data line and the first portion P1 of the second pixel electrode PE2 is avoided. In a variant embodiment, the first data line DL1 may also partially overlap the first portion P1 of the second pixel electrode PE2, and/or the first data line DL1 may also overlap with the second portion P2 of the first pixel electrode PE1. overlapping.

Please refer to Figure 5 and refer to Figures 1 to 3 together. FIG. 5 is a top plan view showing a common electrode and a data line of the pixel array of the first embodiment of the present invention. As shown in FIGS. 1 to 3 and 5, the common electrode CE of the first pixel structure PS1 and the second pixel structure PS2 are the first common electrode CE1 and the second common electrode CE2, respectively, and the first common electrode The CE1 is disposed along the first data line DL1, and the second common electrode CE2 is disposed along the second data line DL2. The first common electrode CE1 and the second common electrode CE2 have the same structure. Hereinafter, the first common electrode CE1 and its corresponding first data line DL1 will be described as an example. The first common electrode CE1 may include a first sub-common electrode SCE1 and a second sub-common electrode SCE2 electrically connected to each other. The first sub-common electrode SCE1 is overlapped with the first side DLS1 of the corresponding first data line DL1 in the vertical projection direction Z, and the second sub-common electrode SCE2 is overlapped with the second side DLS2 of the corresponding first data line DL1. .

It should be noted that the first strip SEP1 of the first shielding electrode SE1 and the first side S1 of the first pixel electrode PE1 overlap each other in the vertical projection direction Z, and the first strip of the first shielding electrode SE1 The portion SEP1 has a third slit ST3 between the first side DLS1 of the corresponding first data line DL1. Further, the first sub-common electrode SCE1 overlaps with the first side DLS1 and the third slit ST3 of the first data line DL1 in the vertical projection direction Z. Thereby, the first strip portion SEP1 and the first sub-common electrode SCE1 can be used not only to shield the capacitive coupling effect between the first portion P1 of the first pixel electrode PE1 and the corresponding first data line DL1, but also avoid the first The first slit ST1 between the data line DL1 and the first side S1 of the first pixel electrode PE1 generates light leakage, thereby improving contrast. Precisely, when the liquid crystal display panel is in operation, the first shielding electrode SE1 and the first common electrode CE1 apply a common voltage, so the electric field generated by the first data line DL1 transmitting the signal can be received by the first shielding electrode SE1 and the first The attraction of the common electrode CE1 reduces interference with the first portion P1 of the first pixel electrode PE1, thereby effectively shielding the capacitive coupling effect between the first portion P1 of the first pixel electrode PE1 and the corresponding first data line DL1. In addition, since the first shielding electrode SE1, the first common electrode CE1 and the opposite electrode CTE are applied with a common voltage, they are located directly above the first strip portion SEP1 and the first sub-common electrode SCE1 and the first strip portion. The liquid crystal molecules in the display medium DM between the SEP1 and the first sub-common electrode SCE1 can be controlled by the electric field generated by the common voltage to avoid light penetration, so that the first data line DL1 and the first side S1 can be avoided. The first slit ST1 generates light leakage, and particularly prevents light leakage when the pixel is in a dark state, thereby improving the contrast of the picture. Preferably, the first sub-common electrode SCE1 and the first strip SEP1 of the first shielding electrode SE1 together shield the first slit ST1, that is, the first sub-common electrode SCE1 of the first common electrode CE1 is vertically projected. The first strips SEP1 of the first shielding electrode SE1 overlap each other in the direction Z to enhance the effect of shielding light leakage and reduce the capacitive coupling between the first pixel electrode PE1 and the first data line DL1. Similarly, the capacitive coupling between the second pixel electrode PE2 and the second data line DL2 having the same structure as the first pixel electrode PE1 can also be reduced.

Similarly, the fourth strip portion SEP4 of the second mask electrode SE2 and the fourth side S4 of the second pixel electrode PE2 are overlapped in the vertical projection direction Z, and the fourth strip portion SEP4 of the second mask electrode SE2 is There is a fourth slit ST4 between the second side DLS2 of the corresponding first data line DL1. Further, the second sub-common electrode SCE2 overlaps with the second side DLS2 and the fourth slit ST4 of the first data line DL1 in the vertical projection direction Z. Therefore, the fourth strip portion SEP4 and the second sub-common electrode SCE2 can be used not only to shield the capacitive coupling effect between the second portion P2 of the second pixel electrode PE2 and the corresponding first data line DL1, but also avoid the first The second slit ST2 between the data line DL1 and the fourth side S4 of the second pixel electrode PE2 generates light leakage, which can effectively avoid light leakage especially when the pixel is in a dark state, thereby improving the contrast of the picture. Preferably, the second sub-common electrode SCE2 and the fourth strip SEP4 of the second shielding electrode SE2 can collectively shield the second slit ST2, that is, the second sub-common electrode SCE2 of the first common electrode CE1 is vertically projected. The fourth strips SEP4 of the second shielding electrode SE2 in the direction Z overlap each other to enhance the effect of shielding light leakage and reduce the capacitive coupling between the second pixel electrode PE2 and the first data line DL1. Similarly, the capacitive coupling between the first pixel electrode PE1 and the third data line DL3 having the same structure as the second pixel electrode PE2 can also be reduced.

In addition, since there is no gap between the third side S3 of the first pixel electrode PE1 and the first side DLS1 of the first data line DL1 in the vertical projection direction Z to avoid light leakage therebetween, the second sub-common electrode SCE2 The first side DLS1 of the corresponding first data line DL1 may not be overlapped in the vertical projection direction Z. Moreover, since there is no gap between the second side S2 of the second pixel electrode PE2 and the second side DLS2 of the first data line DL1 in the vertical projection direction Z to avoid light leakage therebetween, the first sub-common electrode SCE1 The second side DLS2 of the corresponding first data line DL1 may not be overlapped in the vertical projection direction Z.

In this embodiment, the first common electrode CE1 may further include a bridge portion CEB spanning the corresponding first data line DL1 and connected between the first sub-common electrode SCE1 and the second sub-common electrode SCE2, so that The first sub-common electrode SCE1, the second sub-common electrode SCE2, and the bridge portion CEB constitute another bent structure. More specifically, one end of the first sub-common electrode SCE1 is connected to the second sub-common electrode SCE2 of the same first common electrode CE1 through the bridge portion CEB, and the other end may be arranged in the same second direction D2. And connected to the second sub-common electrode SCE2 of another common electrode CE adjacent thereto. The first common electrode CE1 and the second common electrode CE2 may respectively include a common connection portion CEC such that the first sub-common electrode SCE1 of the first common electrode CE1 can pass through the first connection of the common connection portion CEC and the second common electrode CE2. The common electrode SCE1 is electrically connected, and the second sub-common electrode SCE2 of the first common electrode CE1 is electrically connected to the second sub-common electrode SCE2 of the second common electrode CE2 through another common connection portion CEC. Thereby, the common electrode CE of the pixel array PA can form a mesh structure, and the mesh structure has a plurality of openings O corresponding to one pixel structure PS. Each of the pixel electrodes PE is disposed in the corresponding opening O. It should be noted that the first common electrode CE1 of the embodiment and the first pixel electrode PE1 and the second pixel electrode PE2 may be formed by the same patterned transparent conductive layer, and the first pixel electrode PE1 disposed through the misalignment is The second pixel electrode PE2, the first common electrode CE1 may be disposed between the first pixel electrode PE1 and the second pixel electrode PE2, and is spaced apart from the first pixel electrode PE1 and the second pixel electrode PE2. That is, the first sub-common electrode SCE1 and the second sub-common electrode SCE2 of the first common electrode CE1 can be separated from the two adjacent first pixel electrodes PE1 and the second pixel electrode at a certain interval within the tolerance range of the process. The PE2 is separated and can also be connected through the bridging portion CEB, so that the common electrode CE constitutes a mesh structure, thereby reducing the connection resistance of the common electrode CE in the pixel array PA. In another variant embodiment, the common electrode CE and the pixel electrode PE may also be composed of different transparent conductive layers.

In this embodiment, the pixel electrode PE may include four alignment regions, and the first portion P1 corresponds to the two alignment regions, and the second portion P2 corresponds to the other two alignment regions. The first pixel structure PS1 is exemplified below, but is not limited thereto. For details, please refer to FIG. 6. FIG. 6 is a schematic top view of the first pixel structure of the first embodiment of the present invention. As shown in FIG. 6, the first portion P1 of the first pixel electrode PE1 of the embodiment corresponds to at least one first alignment area AR1, and the second portion P2 corresponds to at least one second alignment area AR2. The first pixel electrode PE1 may include a first main electrode ME1, a plurality of first branch electrodes BE1, and a plurality of second branch electrodes BE2. The first main electrode ME1 overlaps with the first connecting portion SEC1 in the vertical projection direction Z. The first branch electrode BE1 and the second branch electrode BE2 are respectively disposed on two sides of the first trunk electrode ME1 to form at least one first alignment area AR1 and at least one second alignment area AR2. Specifically, the first main electrode ME1 is disposed along the first direction D1, and the first pixel electrode PE1 may further include a second main electrode ME2 disposed along the second direction D2 and interlaced with the first main electrode ME1. . In addition, the first branch electrode BE1 can be divided into a first sub-branch electrode SBE1 and a second sub-branch electrode SBE2, and the first sub-branch electrode SBE1 and the second sub-branch electrode SBE2 are respectively disposed on two sides of the second trunk electrode ME2, Two first alignment regions AR1 are formed, and the first alignment regions AR1 have different alignment directions. The second branch electrode BE2 can be divided into a third sub-branch electrode SBE3 and a fourth sub-branch electrode SBE4, and the third sub-branch electrode SBE3 and the fourth sub-branch electrode SBE4 are respectively disposed on two sides of the second main electrode ME2 to form two Two second alignment areas AR2, and the second alignment area AR2 have different alignment directions. The first sub-branch electrode SBE1, the second sub-branch electrode SBE2, the third sub-branch electrode SBE3, and the fourth sub-branch electrode SBE4 may not be parallel to the first main electrode ME1 and the second main electrode ME2, respectively. The first sub-branch electrode SBE1, the second sub-branch electrode SBE2, the third sub-branch electrode SBE3, and the fourth sub-branch electrode SBE4 may form a m-shaped structure with the first main electrode ME1 and the second main electrode ME2. For example, the extending directions of the first sub-branch electrode SBE1, the second sub-branch electrode SBE2, the third sub-branch electrode SBE3, and the fourth sub-branch electrode SBE4 may respectively be at an angle of, for example, 45 degrees with the extending direction of the first trunk electrode ME1. , but not limited to this. In another variant embodiment, the first pixel electrode PE1 may not include the second trunk electrode, and the first branch electrodes BE1 are parallel to each other, the second branch electrodes BE2 are parallel to each other, and the extending direction of the first branch electrode BE1 is the second The extending direction of the branch electrode BE2 is symmetric with respect to the first main electrode ME1, so that the first branch electrode BE1 and the second branch electrode BE2 form a single first alignment area AR1 and a single second alignment area AR2, respectively. It is worth mentioning that since the first main electrode ME1 is located between the first alignment area AR1 and the second alignment area AR2, the first main electrode ME1 corresponds to the dark area of the pixel. The first connecting portion SEC1 of the embodiment is disposed along the first main electrode ME1, preferably completely overlaps with the first main electrode ME1, so that the first connecting portion SEC1 can be set corresponding to the dark area of the pixel without affecting the drawing. The display of prime.

It should be noted that, in the design of the pixel array PA of the embodiment, the first pixel electrode PE1 and the second pixel electrode PE2 of the first side DLS1 and the second side DLS2 of the first data line DL1 are respectively The second portion P2 and the first portion P1 are disposed to overlap with the first data line DL1, and the first portion P1 of the first pixel electrode PE1 and the second portion P2 of the second pixel electrode PE2 are disposed between the first data line DL1 and the first data line DL1. The slit is such that the coupling capacitance between the first data line DL1 and the first pixel electrode PE1 or the second pixel electrode PE2 increases the pixel aperture ratio of the pixel array PA within an allowable range. Moreover, the first shielding electrode SE1 and the second shielding electrode SE2 having the bent structure and the first sub-common electrode SCE1 and the second sub-common electrode SCE2 can shield not only the first side of the first side DLS1 of the first data line DL1. The slit ST1 and the second slit ST2 of the second side DLS2 can also reduce the coupling between the first data line DL1 and the first portion P1 of the first pixel electrode PE1 and the second portion P2 of the second pixel electrode PE2. capacitance.

The pixel structure and pixel array of the present invention are not limited to the above embodiments. In the following, other embodiments or variations of the present invention will be disclosed. However, in order to simplify the description and highlight the differences between the various embodiments or the modified embodiments, the same reference numerals are used to denote the same elements, and no more Narration.

Please refer to FIG. 7 and FIG. 8 . FIG. 7 and FIG. 8 respectively illustrate the pixel structure of the other embodiment of the first embodiment of the present invention corresponding to the line A-A′ and B of FIG. 1 . Schematic diagram of the profile of -B'. As shown in Fig. 7 and Fig. 8, the first common electrode CE1 of the pixel structure PS' provided in this embodiment may not overlap with the first shield electrode SE1 in the vertical projection direction Z. Specifically, the first sub-common electrode SCE1 of the first common electrode CE1 may not overlap with the first strip portion SEP1 of the first shielding electrode SE1, and may have a fifth narrowness between the two in the vertical projection direction Z. Sew ST5. The second sub-common electrode SCE2 of the first common electrode CE1 may not overlap with the fourth strip portion SEP4 of the second shielding electrode SE2, and may have a sixth slit ST6 in the vertical projection direction Z therebetween. It is to be noted that since the first shielding electrode SE1, the first common electrode CE1 and the opposite electrode CTE are applied with a common voltage, not only the first strip portion SEP1 of the first mask electrode SE1 but also the fourth mask electrode SE2 is fourth. The liquid crystal molecules directly above the strip portion SEP4, the first sub-common electrode SCE1 and the second sub-common electrode SCE2 can be controlled by the electric field generated by the common voltage to avoid light penetration, and are located at the first of the first shielding electrode SE1. The liquid crystal molecules between the strip portion SEP1 and the first sub-common electrode SCE1 and between the fourth strip portion SEP4 and the second sub-common electrode SCE2 of the second mask electrode SE2 can also be controlled by the electric field to prevent light from being worn. Through, the first slit ST1 and the second slit ST2 are prevented from leaking light.

Please refer to FIG. 9. FIG. 9 is a cross-sectional view showing the pixel array of the second embodiment of the present invention corresponding to the line A-A' of FIG. 1. As shown in FIG. 9, the color filter CF' of the pixel structure PS" provided in this embodiment is disposed between the pixel electrode PE and the first substrate Sub1 as compared with the first embodiment. The color filter is a pixel structure of a color filter on array (COA) type. For example, the color filter CF' may be disposed between the pixel electrode PE and the insulating layer IN2.

Please refer to FIG. 10, which illustrates a top view of a pixel array according to a third embodiment of the present invention. As shown in FIG. 10, the pixel array PA' provided in this embodiment further includes a third pixel structure PS3, which includes a third sub-pixel SP3 disposed on a first substrate (not shown). The third pixel structure PS3 is arranged in the same row as the first pixel structure PS1 (ie, arranged in the second direction D2) and adjacent to each other. Therefore, the third sub-pixel SP3 and the first sub-pixel SP1 are respectively disposed on both sides of the scanning line SL. In the embodiment, the third sub-pixel SP3 includes a third pixel electrode PE3 and a third shielding electrode SE3, and the first shielding electrode SE1 and the third shielding electrode SE3 have the same shape pattern. That is to say, the mask electrodes SE of the pixel structures PS located in two adjacent columns may have the same shape pattern. The first pixel structure PS1 and the third pixel structure PS3 of the present embodiment may be the same as the first pixel structure of the first embodiment described above, and therefore will not be described again.

Please refer to FIG. 11. FIG. 11 is a schematic top view of a pixel array according to a fourth embodiment of the present invention. As shown in FIG. 11, the shape pattern of the first shielding electrode SE1 and the third shielding electrode SE3' of the pixel array PA" provided in this embodiment is symmetric with respect to the scanning line SL, as compared with the third embodiment. The third shielding electrode SE3' of the third pixel structure PS3' of the embodiment may include a fifth strip portion SEP1', a sixth strip portion SEP2', a first connecting portion SEC1, and a third portion. The connecting portion SEC3. The fifth strip portion SEP1' and the sixth strip portion SEP2' of the third shielding electrode SE3' extend in opposite directions along the second direction D2, respectively. The shape pattern of the third shielding electrode SE3' is The shape pattern of the first shielding electrode SE1 is symmetric with respect to the scanning line SL. In the present embodiment, the fifth strip portion SEP1' is connected between the first connecting portion SEC1 and the third connecting portion SEC3. The first side S1' of the first portion P1' of the electrode PE3' is closer to the first data line DL1 than the third side S3' of the second portion P2', and the fourth side S4' of the second portion P2' is closer to the first portion P1' than The second side S2' is adjacent to the third data line DL3. Therefore, the fifth strip portion SE of the third shielding electrode SE3' P1' and the second side S2' of the third pixel electrode PE3' are disposed to overlap each other in the vertical projection direction, and the sixth strip portion SEP2' of the third mask electrode SE3' and the third pixel electrode PE3' The three sides S3' are disposed to overlap each other in the vertical projection direction. In addition, the first sub-common electrode SCE1' of the third pixel structure PS3' is overlapped with the second side DLS2 of the first data line DL1 in the vertical projection direction. The second sub-common electrode SCE2' is disposed to overlap with the first side DLS1 of the first data line DL1.

In summary, in the pixel array of the present invention, the first pixel electrode and the second pixel electrode on the first side and the second side of the first data line are respectively the second portion of the first pixel electrode. And the first portion of the second pixel electrode is disposed to overlap with the first data line, and the first portion of the first pixel electrode and the second portion of the second pixel electrode have a slit between the first data line and the first data line. The coupling capacitance between the first data line and the first pixel electrode or the second pixel electrode increases the pixel aperture ratio of the pixel array within an allowable range. Moreover, the first shielding electrode and the second shielding electrode having the bent structure and the first sub-common electrode and the second sub-common electrode can shield not only the first slit and the second side of the first side of the first data line The second slit can also reduce the coupling capacitance between the first data line and the first portion of the first pixel electrode and the second portion of the second pixel electrode. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

AD‧‧‧ active components

AR1‧‧‧ first alignment area

AR2‧‧‧Second Alignment Area

BE1‧‧‧ first branch electrode

BE2‧‧‧Second branch electrode

BM‧‧‧ Black Matrix

CE, CE’‧‧‧ color filters

CE‧‧‧Common electrode

CE1‧‧‧first common electrode

CE2‧‧‧Second common electrode

CTE‧‧‧ opposite electrode

CEB‧‧‧Bridge

CEC‧‧‧Common Connection

D1‧‧‧ first direction

D2‧‧‧ second direction

DL‧‧‧ data line

DL1‧‧‧ first data line

DL2‧‧‧ second data line

DL3‧‧‧ third data line

DLS1‧‧‧ first side

DLS2‧‧‧ second side

DM‧‧‧ display media

IN1, IN2‧‧‧ insulation

ME1‧‧‧first main electrode

ME2‧‧‧Second main electrode

P1, P1’‧‧‧ Part 1

P2, P2’‧‧‧ Part II

PA, PA', PA" ‧ ‧ pixel array

PS, PS', PS" ‧ ‧ pixel structure

PS1‧‧‧ first pixel structure

PS2‧‧‧second pixel structure

PS3, PS3'‧‧‧ third pixel structure

PE‧‧‧ pixel electrode

PE1‧‧‧ first pixel electrode

PE2‧‧‧second pixel electrode

PE3, PE3'‧‧‧ third pixel electrode

Sub1‧‧‧ first substrate

Sub2‧‧‧second substrate

SP‧‧‧Subpixel

SP1‧‧‧ first sub-pixel

SP2‧‧‧Second sub-pixel

SP3, SP3’‧‧‧ third sub-pixel

SL‧‧‧ scan line

S1, S1’‧‧‧ first side

S2, S2’‧‧‧ second side

S3, S3’‧‧‧ third side

S4, S4’‧‧‧ fourth side

SE‧‧‧shading electrode

SE1‧‧‧first shielding electrode

SE2‧‧‧second shielding electrode

SE3, SE3'‧‧‧ third shielding electrode

SEP1‧‧‧ first article

SEP2‧‧‧Second Section

SEP3‧‧‧ third section

SEP4‧‧‧Article 4

SEP1’‧‧‧Article 5

SEP2’‧‧‧Article 6

SEC1‧‧‧First Connection

SEC2‧‧‧Second connection

SEC3‧‧‧ Third Connection

ST1‧‧‧first slit

ST2‧‧‧Second slit

ST3‧‧‧ third slit

ST4‧‧‧ fourth slit

ST5‧‧‧ fifth slit

ST6‧‧‧ sixth slit

SBE1‧‧‧ first sub-branch electrode

SBE2‧‧‧Second sub-branch electrode

SBE3‧‧‧ third sub-branch electrode

SBE4‧‧‧ fourth sub-branch electrode

SCE1, SCE1'‧‧‧ first sub-common electrode

SCE2, SCE2'‧‧‧ second sub-common electrode

O‧‧‧ openings

Z‧‧‧Vertical projection direction

D‧‧‧汲

G‧‧‧ gate

S‧‧‧ source

FIG. 1 is a schematic top plan view of a pixel array according to a first embodiment of the present invention. Fig. 2 is a schematic cross-sectional view taken along line A-A' of Fig. 1. Fig. 3 is a schematic cross-sectional view taken along line B-B' of Fig. 1. 4 is a top plan view showing a data line, a scan line, and a sub-pixel of the pixel array of the first embodiment of the present invention. FIG. 5 is a top plan view showing a common electrode and a data line of the pixel array of the first embodiment of the present invention. Fig. 6 is a top plan view showing the pixel structure of the first embodiment of the present invention. Fig. 7 and Fig. 8 are schematic cross-sectional views showing the pixel arrays according to another variation of the first embodiment of the present invention corresponding to the cross-sectional lines A-A' and B-B', respectively. Fig. 9 is a cross-sectional view showing the pixel array corresponding to the line A-A' of the second embodiment of the present invention. Figure 10 is a top plan view showing a pixel array of a third embodiment of the present invention. 11 is a top plan view showing a pixel array of a fourth embodiment of the present invention.

AD‧‧‧ active components

CE‧‧‧Common electrode

CE1‧‧‧first common electrode

CE2‧‧‧Second common electrode

D1‧‧‧ first direction

D2‧‧‧ second direction

DL‧‧‧ data line

DL1‧‧‧ first data line

DL2‧‧‧ second data line

DL3‧‧‧ third data line

PA‧‧‧ pixel array

PS‧‧‧ pixel structure

PS1‧‧‧ first pixel structure

PS2‧‧‧second pixel structure

PE‧‧‧ pixel electrode

PE1‧‧‧ first pixel electrode

PE2‧‧‧second pixel electrode

SP‧‧‧Subpixel

SP1‧‧‧ first sub-pixel

SP2‧‧‧Second sub-pixel

SL‧‧‧ scan line

S1‧‧‧ first side

S2‧‧‧ second side

S3‧‧‧ third side

S4‧‧‧ fourth side

SE‧‧‧shading electrode

SE1‧‧‧first shielding electrode

SE2‧‧‧second shielding electrode

D‧‧‧汲

G‧‧‧ gate

S‧‧‧ source

Claims (21)

A pixel array includes: a substrate; a first sub-pixel disposed on the substrate, wherein the first sub-pixel comprises a first pixel electrode and a first shielding electrode; and a second sub-pixel And disposed on the substrate and adjacent to the first sub-pixels, wherein the second sub-pixel comprises a second pixel electrode and a second shielding electrode; a first data line is located at the first Between the sub-pixel and the second sub-pixel, wherein the first data line has a first side and a second side opposite to each other along the extending direction thereof, the first pixel electrode is adjacent to the first data line The first side includes a first side and a third side connected to the first side, and the second side of the second pixel electrode adjacent to the first data line includes a second side and connects the second side a fourth side, the first side of the first pixel electrode and the first data line have a first slit, the fourth side of the second pixel electrode and the first data line Having a second slit therebetween, the third side of the first pixel electrode and the first data line overlap each other, and the second drawing The second side of the electrode and the first data line overlap each other; and a common electrode is disposed along the first data line, the common electrode includes a first sub-common electrode electrically connected to each other and a second sub-common The electrode, wherein the first sub-common electrode and the first shielding electrode are overlapped with the first slit, and the second sub-common electrode and the second shielding electrode are overlapped with the second slit mask. The pixel array of claim 1, wherein the first sub-common electrode is disposed to overlap with a first side of the first data line, and the second sub-common electrode is overlapped with a second side of the first data line . The pixel array of claim 1, wherein the first shielding electrode comprises a first strip portion, a second strip portion and a first connecting portion, and the two ends of the first connecting portion respectively The first strip portion and the second strip portion are connected, wherein the first connecting portion and the first strip portion and the second strip portion respectively form a bent structure; and the second shielding electrode comprises a a third strip portion, a fourth strip portion and a second connecting portion, wherein the two ends of the second connecting portion are respectively connected to the third strip portion and the fourth strip portion, whereby the second connection The portion and the third strip portion and the fourth strip portion respectively form a bent structure. The pixel array of claim 3, wherein the first side and the first strip overlap each other in a vertical projection direction of the substrate, and the fourth side and the fourth strip overlap each other. The pixel array of claim 3, wherein: the first sub-common electrode overlaps with the first side of the first data line and the first strip in a vertical projection direction of the substrate; and the first The two sub-common electrodes overlap the second side of the first data line and the fourth strip in a vertical projection direction of the substrate. The pixel array of claim 1, wherein the common electrode further comprises a bridge portion spanning the first data line to connect the first sub-common electrode and the second sub-common electrode, and perpendicular to the substrate In the projection direction, the first sub-common electrode does not overlap with the second side of the first data line and the second sub-common electrode does not overlap with the first side of the first data line. The pixel array of claim 1, further comprising: a second data line, wherein the second pixel electrode is disposed on the first data line and the second data line a scan line interleaved with the first data line and the second data line; and an active component electrically connected to the scan line, the first data line, and the first pixel electrode. The pixel array of claim 7, further comprising a third sub-pixel disposed on the substrate, wherein the third sub-pixel and the first sub-pixel are respectively disposed on two sides of the scan line, The third sub-pixel includes a third pixel electrode and a third shielding electrode, and the first shielding electrode and the third shielding electrode have the same shape pattern. The pixel array of claim 7, further comprising a third sub-pixel disposed on the substrate, wherein the third sub-pixel and the first sub-pixel are respectively disposed on two sides of the scan line, The third sub-pixel includes a third pixel electrode and a third shielding electrode, and the shape pattern of the first shielding electrode and the shape pattern of the second shielding electrode are symmetric to the scanning line. A pixel structure includes: a first substrate; a scan line disposed on the first substrate; a data line interlaced with the scan line, wherein the data line has a first side opposite to each other along a direction in which the data line extends a first component and a second side; an active component electrically connected to the scan line and the data line; a shielding electrode disposed on the first substrate, the shielding electrode comprising a first strip, a second a strip portion and a first connecting portion, wherein two ends of the first connecting portion are respectively connected to the first strip portion and the second strip portion, whereby the first connecting portion and the first strip portion Forming a bent structure with the second strip; a pixel electrode electrically connected to the active component, the pixel electrode includes a first portion and a second portion respectively disposed on two sides of the first connecting portion, the first portion having a first side opposite to each other And a second side having a third side and a fourth side opposite to each other, the first side connecting the third side, the second side connecting the fourth side, wherein the first strip is The portion is overlapped with the first side of the pixel electrode, the second strip portion is disposed to overlap with the fourth side of the pixel electrode, and there is no slit between the data line and the third side of the pixel electrode; And a common electrode disposed along the data line, wherein the common electrode includes a first sub-common electrode electrically connected to each other and a second sub-common electrode, the first sub-common electrode and the first side of the data line An overlapping arrangement, and the second sub-common electrode is disposed to overlap the second side of the data line. The pixel structure of claim 10, wherein the first strip of the shielding electrode has a slit between the data line and the data line. The pixel structure of claim 11, wherein the first sub-common electrode overlaps with a first side of the data line and a vertical projection direction of the first substrate. The pixel structure of claim 10, wherein the third side of the pixel electrode overlaps the data line in a vertical projection direction of the first substrate. The pixel structure of claim 10, wherein the common electrode further comprises a bridge portion spanning the data line and connected to the first sub-common electrode and the second sub-common electrode. The pixel structure of claim 10, wherein the shielding electrode does not overlap the second side and the third side of the pixel electrode in a vertical projection direction of the first substrate. The pixel structure of claim 10, wherein the pixel electrode comprises a trunk electrode, a plurality of first branch electrodes, and a plurality of second branch electrodes, the main electrode and the first connecting portion on the first substrate The first branch electrodes and the second branch electrodes are respectively disposed on opposite sides of the trunk electrode to form at least one first alignment region and at least one second alignment region. The pixel structure of claim 10, further comprising a second substrate and a display medium disposed between the first substrate and the second substrate. A pixel array includes: a substrate; a first sub-pixel disposed on the substrate, wherein the first sub-pixel comprises a first pixel electrode and a first shielding electrode, and the first shielding electrode comprises a first strip, a second strip, and a first connecting portion, wherein the two ends of the first connecting portion are respectively connected to the first strip and the second strip, whereby the first The connecting portion and the first strip portion and the second strip portion respectively form a bent structure; a second sub-pixel is disposed on the substrate and adjacent to the first sub-pixels, wherein the The second sub-pixel includes a second pixel electrode and a second shielding electrode, the second shielding electrode includes a third strip portion, a fourth strip portion and a second connecting portion, the second connecting portion The two ends are respectively connected to the third strip portion and the fourth strip portion, whereby the second connecting portion and the third strip portion and the fourth strip portion respectively form a bent structure; a data line between the first sub-pixel and the second sub-pixel, wherein the first pixel electrode and the first data Having between a first slit and the second pixel electrode and the first resource a second slit is disposed between the feed lines; and a common electrode is disposed along the first data line, the common electrode includes a first sub-common electrode electrically connected to each other and a second sub-common electrode, wherein the common sub-electrode The first sub-common electrode and the first shielding electrode are disposed to overlap the first slit, and the second sub-common electrode and the second shielding electrode are overlapped with the second slit. The pixel array of claim 18, wherein the first data line has a first side and a second side opposite to each other along the extending direction thereof, the first sub-common electrode and the first data line The first side overlaps the setting, and the second sub-common electrode is disposed to overlap the second side of the first data line. The pixel array of claim 18, wherein: the first data line has a first side and a second side opposite to each other along an extending direction thereof; the first pixel electrode is adjacent to the first data line The first side includes a first side and a third side, the first side is connected to the third side, wherein the first side and the first strip overlap each other in a vertical projection direction of the substrate, and the The third side and the first data line overlap each other; and the second side of the second pixel electrode adjacent to the first data line includes a second side and a fourth side, the second side is connected to the fourth side, The second side and the first data line overlap each other in a vertical projection direction of the substrate, and the fourth side and the fourth strip overlap each other. The pixel array of claim 20, wherein: the first sub-common electrode overlaps with the first side of the first data line and the first strip in a vertical projection direction of the substrate; and the first a two-substance common electrode in a vertical projection direction of the substrate and a second side of the first data line And the fourth strip overlaps each other.