TWM579739U - Pixel structure - Google Patents

Abstract

A pixel structure having a first gray scale display region and a second gray scale display region is provided. The first gray scale display region comprises two first display blocks. The second gray scale display region comprises a second display block located between the two first display blocks. The pixel structure comprises a first conductive electrode, a second conductive electrode, a first active component and a second active component. The first conductive electrode and the second conductive electrode are respectively disposed in the first gray scale display region and the second gray scale display region. The first active component and the second active component are electrically connected to the first conductive electrode and the second conductive electrode, respectively. The first active component and the second active component are respectively disposed in the two first display blocks or respectively disposed in one of the two first display blocks and the second display block.

Description

Pixel structure

This new creation is about a pixel structure.

In the conventional display panel, gray voltage images with different brightnesses are displayed by providing different voltages to the pixel structure to make the liquid crystal molecules rotate differently. However, the power consumption is large. In order to save power consumption, a pixel structure with different areas is used to display grayscale images with different brightness without changing the voltage. However, it provides a poor display effect because of the large area pixel structure and its relative If the adjacent small-area pixel structure simultaneously shows a bright state or a dark state, obvious bright lines or dark lines will appear when displaying the picture.

The novel creation provides a pixel structure. A display panel including the pixel structure has a better display effect and can reduce power consumption.

The pixel structure created by the novel has a first gray-scale display area and a second gray-scale display area. The first gray scale display area includes two first display blocks. The second gray scale display area includes a second display area between two first display areas. The pixel structure includes a first conductive electrode, a second conductive electrode, a first active element and a second active element. The first conductive electrode and the second conductive electrode are respectively disposed in the first gray-scale display area and the second gray-scale display area. The first active element and the second active element are electrically connected to the first conductive electrode and the second conductive electrode, respectively. The first active element and the second active element are respectively disposed in the two first display blocks or in one of the two first display blocks and the second display block, respectively.

In an embodiment of the invention, the pixel structure described above further includes a substrate and a first insulating layer disposed on the substrate. The first active device is located on the substrate and includes a first gate, a first source, a first drain, and a first semiconductor layer. The first drain electrode is electrically connected to the first conductive electrode. The first gate and the first source, the first drain and the first semiconductor layer are separated by a first insulating layer. The second active device is located on the substrate and includes a second gate, a second source, a second drain, and a second semiconductor layer. The second drain electrode is electrically connected to the second conductive electrode. The second gate, the second source, the second drain, and the second semiconductor layer are separated by a first insulating layer.

In an embodiment of the novel creation, the pixel structure described above further includes a second insulating layer and a flat layer. The second insulating layer is disposed on the first insulating layer and covers the first active device and the second active device. The flat layer is disposed on the second insulating layer. The first conductive electrode and the second conductive electrode are disposed on the flat layer.

In an embodiment of the novel creation, the pixel structure described above further includes storage electrodes. When the first active element and the second active element are respectively disposed in the two first display blocks, the storage electrode is located in the second display block and overlaps the second conductive electrode in the vertical projection direction.

In an embodiment of the novel creation, the pixel structure described above further includes storage electrodes. When the first active element and the second active element are respectively disposed in one of the two first display blocks and the second display block, the storage electrode is located in the other of the two first display blocks and is vertically It overlaps the first conductive electrode in the projection direction.

In an embodiment of the present invention, the first active element is electrically connected to the first conductive electrode through a first contact window penetrating the second insulating layer and the flat layer. The first contact window is located in the first gray-scale display area.

In an embodiment of the novel creation, the above-mentioned first contact window includes two contact windows. The two contact windows are respectively located in the two first display blocks.

In an embodiment of the invention, the above-mentioned second active element is electrically connected to the second conductive electrode through a second contact window penetrating the second insulating layer and the flat layer. The second contact window is located in the second gray scale display area.

In an embodiment of the invention, the first conductive electrode includes a first pixel electrode and a first reflective electrode disposed on the first pixel electrode, and the second conductive electrode includes a second pixel electrode and a disposed A second reflective electrode on the second pixel electrode.

In an embodiment of the invention, the vertical projection area fraction of the first display block and the second display block is 0.5 ~ 2.

Based on the above, the pixel structure created by the present invention includes a first gray-scale display area and a second gray-scale display area, each of which has two first display blocks and a second display block located between them. Various combinations of the two first display blocks or the second display blocks in a bright state or a dark state can display grayscale images with different brightness, so that the display panel including the pixel structure created by the present invention has a better display effect. In addition, the power consumption of the display panel including the pixel structure created by the present invention can be saved.

In order to make the above-mentioned features and advantages of the creation of the new model more obvious and understandable, the embodiments are specifically described below and described in detail in conjunction with the attached drawings.

The present invention will be explained more fully below with reference to the drawings of this embodiment. However, the present invention can also be embodied in various forms, and should not be limited to the embodiments described herein. The thickness of layers and regions in the drawings will be exaggerated for clarity. The same or similar reference numbers indicate the same or similar elements, and the following paragraphs will not repeat them one by one. In addition, the directional terms mentioned in the embodiments, for example: up, down, left, right, front or back, etc., are only the directions referring to the attached drawings. Therefore, the directional terms used are used to illustrate but not to limit the new model.

FIG. 1A is a schematic diagram of a pixel structure according to an embodiment of the present invention. FIG. 1B is a schematic cross-sectional view of the pixel structure according to section line A1-A1 'of FIG. 1A. FIG. 1C is a schematic cross-sectional view of the pixel structure according to section line A2-A2 'of FIG. 1A.

Please refer to FIGS. 1A, 1B and 1C at the same time. The pixel structure PX1 of the present invention has a first gray-scale display area 10 and a second gray-scale display area 20. Applying a voltage to the first grayscale display area 10 or the second grayscale display area 20 can drive the liquid crystal molecules (not shown) located on the first grayscale display area 10 or the second grayscale display area 20 to rotate. In detail, the liquid crystal corresponding to the first grayscale display area 10 and the second grayscale display area 20 can be determined, for example, by applying a voltage to the first grayscale display area 10 or the second grayscale display area 20 Molecules assume a bright state (ie, allow light to pass through) or a dark state (ie, block light from passing through). In some embodiments, the first grayscale display area 10 includes two first display blocks 12, 14, the second grayscale display area 20 includes a second display block 22, and the second display block 22 is located, for example, in Between the two first display blocks 12,14.

In some embodiments, the pixel structure PX1 includes a first active element T1 and a second active element T2. The first active element T1 and the second active element T2 may be respectively disposed in the two first display blocks 12, 14 or respectively disposed in one of the two first display blocks 12, 14 and the second display block 22 in. In this embodiment, the first active element T1 and the second active element T2 are respectively disposed in the two first display blocks 12 and 14. In some embodiments, the first active element T1 is located on the substrate 100 and includes the first gate G1, the first source S1, the first drain D1 and the first semiconductor layer SE1, and the second active element T2 is located on the substrate 100 And it includes a second gate G2, a second source S2, a second drain D2 and a second semiconductor layer SE2. The first gate G1, the first source S1, the first drain D1, and the first semiconductor layer SE1 may be formed, for example, by a physical vapor deposition method or a metal chemical vapor deposition method followed by a lithography etching process. Taking the formation process of the first gate G1 as an example, a first metal material layer (not shown) may be formed on the substrate 100 by physical vapor deposition or metal chemical vapor deposition. Next, a patterned photoresist layer (not shown) is formed on the first metal material layer. After that, using the patterned photoresist layer as a mask, the first gate material layer is etched to form the first metal layer 110, and the first gate G1 is a part of the first metal layer 110. In this embodiment, the first active element T1 and the second active element T2 are any type of bottom gate thin film transistors well known to those skilled in the art. In detail, taking the forming process of the first active element T1 as an example, the forming sequence of the first active element T1 is to first form the first gate G1 on the substrate 100 and then form the first insulating layer covering the first gate G1 120, then a first semiconductor layer SE1 corresponding to the first gate G1 is formed, and then a first source S1 and a first drain D1 partially covering the first insulating layer 120 and the first semiconductor layer SE1 are formed, wherein the first source The pole S1 and the first drain D1 are the same film layer and are part of the second metal layer 130. However, although this embodiment takes the bottom gate type thin film transistor as an example, the present invention is not limited to this. In other embodiments, the first active element T1 and the second active element T2 may also be top gate thin film transistors or other suitable types of thin film transistors. In this embodiment, the size of the first active element T1 is larger than the size of the second active element T2, but the present invention is not limited to this. Compared with the first active element T1 that needs to supply power to the two first display blocks 12, 14, the second active element T2 only needs to supply power to the second display block 22, so the size of the second active element T2 can be designed Compared with the first active element T1, the layout of the pixel structure PX1 can be more diverse.

In some embodiments, the pixel structure PX1 includes a first conductive electrode E1 and a second conductive electrode E2. The first conductive electrode E1 and the second conductive electrode E2 are disposed in the first gray-scale display area 10 and the second gray-scale display area 20, respectively. In this embodiment, the first conductive electrode E1 includes a first pixel electrode PE1 and a first reflective electrode RE1 provided on the first pixel electrode PE1, and the second conductive electrode E2 includes a second pixel electrode PE2 and a set The second reflective electrode RE2 on the second pixel electrode PE2. The first pixel electrode PE1 and the second pixel electrode PE2 may be, for example, metal oxide conductive materials (for example: indium tin oxide, indium zinc oxide, aluminum tin oxide, aluminum zinc oxide, indium germanium zinc oxide) Or other suitable transparent conductive materials. The materials of the first reflective electrode RE1 and the second reflective electrode RE2 may be, for example, metal, metal nitride, metal oxide, metal oxynitride, or a combination thereof. In some embodiments, the pixel structure PX1 may further include a first common electrode (not shown) and a second common electrode (not shown) respectively provided corresponding to the first pixel electrode PE1 and the second pixel electrode PE2 . Taking the first common electrode as an example, the first common electrode may be the same film layer as the first pixel electrode PE1, but the present invention is not limited thereto. The first common electrode may be a different film layer from the first pixel electrode PE1, for example.

In some embodiments, the first conductive electrode E1 and the second conductive electrode E2 are electrically connected to the first active element T1 and the second active element T2, respectively. In detail, the first pixel electrode PE1 in the first conductive electrode E1 is electrically connected to the first drain D1 of the first active element T1, therefore, the first active element T1 disposed in the first display block 12 A voltage can be provided to the first pixel electrode PE1 disposed in the first grayscale display area 10 (including the two first display blocks 12, 14), so that the first pixel electrode PE1 and the first common electrode are different And the liquid crystal molecules corresponding to the first gray-scale display area 10 are rotated to make the first gray-scale display area 10 bright. Similarly, the second pixel electrode PE2 in the second conductive electrode E2 is electrically connected to the first drain electrode D2 of the first active element T2, therefore, the second active element T2 disposed in the first display block 14 can be Providing a voltage to the second pixel electrode PE2 disposed in the second grayscale display area 20 (including a second display block 22), so that the second pixel electrode PE2 and the second common electrode have different operating voltages, The liquid crystal molecules corresponding to the second gray-scale display area 20 are driven to rotate, so that the second gray-scale display area 20 is in a bright state.

In short, when the first active element T1 and the second active element T2 are turned on at the same time, three display blocks (two first display blocks 12, 14 and one second display block 22) can be made bright , When the first active element T1 is turned on and the second active element T2 is turned off, the two display blocks (two first display blocks 12, 14) can be made bright, when the first active element T1 is turned off and the first When two active elements T2 are used, one display block (two one second display blocks 22) can be made bright, and when the first active element T2 and the second active element T2 are turned off, the above three displays can be made The block is dark. Therefore, without changing the voltage provided by the first active element T2 or the second active element T2, the first active element T2 or the second active element T2 can be turned on or off to display gray levels with different brightnesses Therefore, the power consumption of the display panel including the pixel structure PX1 of this embodiment can be saved.

In some embodiments, the pixel structure PX1 further includes a second insulating layer 140 and a flat layer 150. The second insulating layer 140 is disposed on the first insulating layer 120 and covers the first active element T1 and the second active element T2, for example. The flat layer 150 is disposed on the second insulating layer 140, for example, and the first conductive electrode E1 and the second conductive electrode E2 are disposed on the flat layer 150, for example. The forming method of the second insulating layer 140 and the flat layer 150 is, for example, a physical vapor deposition method or a chemical vapor deposition method. The materials of the second insulating layer 140 and the flat layer 150 may be, for example, inorganic materials (for example: silicon oxide, silicon nitride, silicon oxynitride, or a stacked layer of at least two materials above), organic materials (for example: polyimide Resin, epoxy resin or acrylic resin) or a combination of the above. The second insulating layer 140 and the flat layer 150 may be, for example, single-layer structures, but the present invention is not limited thereto. In other embodiments, the second insulating layer 140 and the flat layer 150 may also have a multilayer structure.

In some embodiments, the pixel structure PX1 further includes two first contact windows H1, H2 and a second contact window H3 penetrating the second insulating layer 140 and the flat layer 150. The first contact windows H1, H2 are located in the first gray-scale display area 10, for example. In detail, the first contact windows H1, H2 are respectively disposed in the first display blocks 12, 14, and the first active element T1 is electrically connected to the first conductive electrode E1, for example, through the first contact windows H1, H2 connection. The second contact window H3 is located in the second grayscale display area 20, for example. In detail, the second contact window H3 is disposed in the second display block 22, for example, and the second active element T2 is electrically connected to the second conductive electrode E2, for example, through the second contact window H3.

In some embodiments, the pixel structure PX1 further includes a first storage electrode 132 and a second storage electrode 138. The first storage electrode 132 is, for example, the same film layer (second metal layer 130) as the first source S1 and the first drain D1, and the second storage electrode 138 is, for example, the second source S2 and the second drain D2 It is the same film layer (second metal layer 130). In this embodiment, the first storage electrode 132 is located in the second display block 22 and overlaps the second conductive electrode E2 in the vertical projection direction, and the second storage electrode 138 is located in the first display block 14 and is vertical It overlaps the first conductive electrode E1 in the projection direction. The first storage electrode 132 and the second storage electrode 138 may each form a storage capacitor with the first metal layer 110 and the first insulating layer 120 therebetween. The storage capacitor can be used to store voltage, and the magnitude of the stored voltage can affect the deflection state of the liquid crystal molecules. Therefore, the magnitude of the voltage stored by the storage capacitor can be used to further control grayscale images with different brightness.

In some embodiments, the pixel structure PX1 further includes a first drain extension 134 and a second drain extension 136. For example, the first drain extension 134 and the second drain extension 136 are the same film layer (second metal layer 130), and the first drain extension 134 and the second drain extension 136 are, for example, the first The active element T1 and the second active element T2 are electrically connected. For example, the first drain extension 134 may be electrically connected to the first pixel electrode PE1 located in the first display block 14 so that the first active element T1 can provide a voltage to the first picture located in the first display block 14素 electrode PE1. The second drain extension 136 can be electrically connected to the second pixel electrode PE2 located in the second display block 20, for example, so that the second active element T2 can provide a voltage to the second pixel located in the second display block 20 Pixel electrode PE2. In some embodiments, the first drain extension 134 is electrically connected to the first pixel electrode PE1 in the first display block 14 through the first contact window H2, and the second drain extension 136 is connected through the first The two contact windows H3 are electrically connected to the second pixel electrode PE2 located in the second display block 20.

In this embodiment, the pixel structure includes two first display blocks and a second display block located therebetween. By making the first display block or the second display block appear bright or dark Various combinations can display grayscale images with different brightness. In addition, since the pixel structure of this embodiment does not display grayscale images with different brightness by changing the voltage provided by the first active element or the second active element, the display panel including the pixel structure of this embodiment can be saved Power consumption.

FIG. 2 is a schematic diagram of a pixel structure of another embodiment of the new type. It must be noted here that the embodiment of FIG. 2 uses the element numbers and part of the contents of the embodiment of FIG. 1A, wherein the same or similar reference numerals are used to indicate the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the description and effects of the foregoing embodiments, and the following embodiments will not be repeated, and at least a part of the descriptions in the embodiment of FIG. 2 that are not omitted may refer to the subsequent content.

Please refer to FIG. 2. In the embodiment shown in FIG. 2, the layout of the pixel structure PX2 is different from the layout of the pixel structure PX1. In detail, since the size of the second active element T2 disposed in the first display block 14 is small, the design of the first drain extension 134 also disposed in the first display block 14 can be more flexible. In detail, compared with the embodiment shown in FIG. 1A, the vertical projection area of the first drain extension 134 can be larger to reduce the difficulty of forming the first contact window H2, so that the first active element T1 can It is electrically connected to the first pixel electrode PE1 smoothly.

In this embodiment, the pixel structure includes two first display blocks and a second display block located therebetween. By making the first display block or the second display block appear bright or dark Various combinations can display grayscale images with different brightness. In addition, since the pixel structure of this embodiment does not display grayscale images with different brightness by changing the voltage provided by the first active element or the second active element, the display panel including the pixel structure of this embodiment can be saved Power consumption.

FIG. 3 is a schematic diagram of a pixel structure of another embodiment of the new type. It must be noted here that the embodiment of FIG. 3 uses the element numbers and partial contents of the embodiment of FIG. 1A, wherein the same or similar reference numerals are used to indicate the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted parts, reference may be made to the description and effects of the foregoing embodiments. The following embodiments will not be repeated, and at least a part of the descriptions in the embodiment of FIG. 3 that are not omitted may refer to the subsequent content.

Please refer to FIG. 3, in the embodiment shown in FIG. 3, the first active element T1 and the second active element T2 of the pixel structure PX3 are respectively disposed in the first display block 12 and the second display block 22, Moreover, the pixel structure PX3 does not have the first storage electrode 132 and the second drain extension 136. Since the first drain extension 134 electrically connected to the first drain D1 spans the first display block 12, 14 and the second display block 22, the second display block 22 is disposed in the second The active element T2 is, for example, smaller than the size of the first active element T1. In addition, since both the second active element T2 and the second pixel electrode PE2 are disposed in the second display block 22, there is no need to provide the second drain extension 136.

In this embodiment, the pixel structure includes two first display blocks and a second display block located therebetween. By making the first display block or the second display block appear bright or dark Various combinations can display grayscale images with different brightness. In addition, since the pixel structure of this embodiment does not display grayscale images with different brightness by changing the voltage provided by the first active element or the second active element, the display panel including the pixel structure of this embodiment can be saved Power consumption.

4A to 4C are vertical projection area ratios of the first display block and the second display block in some embodiments of the present invention.

4A to 4C at the same time, the vertical projection area ratio of the first display block 12 (or the first display block 14) and the second display block 22 is, for example, 0.5 ~ 2. In some embodiments, the vertical projection area ratio of the first display block 12 (or the first display block 14) and the second display block 22 is 1, for example, as shown in FIG. 4A. In other embodiments, the vertical projection area ratio of the first display block 12 (or the first display block 14) and the second display block 22 is, for example, 2, as shown in FIG. 4B. In still other embodiments, the vertical projection area fraction of the first display block 12 (or the first display block 14) and the second display block 22 is, for example, 0.5, as shown in FIG. 4C. Therefore, on the same display device or different display devices, by changing the vertical projection area ratio of the first display block 12 (or the first display block 14) and the second display block 22 and having various vertical projection areas Divided pixel structure arrangement, and make the first display block 12 (or the first display block 14) or the second display block 22 present various combinations of light state or dark state to display gray levels with different brightness Therefore, the power consumption of the display panel including the pixel structure PX1 of this embodiment can be saved.

In summary, the pixel structure created by the novel includes a first gray-scale display area and a second gray-scale display area, each of which has two first display areas and a second display area between them. Grayscale images with different brightness can be displayed by various combinations of whether the voltage supplied to the first display block or the second display block makes the first display block or the second display block appear bright or dark, respectively, In order to avoid obvious bright lines or dark lines when displaying a picture, the display panel including the pixel structure created by the present invention has a better display effect. In addition, since the pixel structure of this embodiment does not display grayscale images with different brightness by changing the voltage provided by the first active element or the second active element, the display panel including the pixel structure created by the present invention can be saved Power consumption.

Although the new creation has been disclosed as above with examples, it is not intended to limit the creation of the new creation. Anyone with ordinary knowledge in the technical field of the subject can make some changes and without departing from the spirit and scope of the new creation. Retouch, so the scope of protection of this new creation shall be subject to the scope defined in the appended patent application.

10‧‧‧The first gray scale display area
12, 14‧‧‧ First display block
20‧‧‧The second gray scale display area
22‧‧‧Second display block
100‧‧‧ substrate
110‧‧‧First metal layer
120‧‧‧The first insulating layer
130‧‧‧Second metal layer
132‧‧‧ First storage electrode
134‧‧‧The first drain extension
136‧‧‧Second drain extension
138‧‧‧Second storage electrode
140‧‧‧second insulating layer
150‧‧‧flat layer
A1-A1 ', A2-A2' ‧‧‧cut line
D1‧‧‧First drain
D2‧‧‧Second Drain
E1‧‧‧The first conductive electrode
E2‧‧‧Second conductive electrode
G1‧‧‧First gate
G2‧‧‧second gate
H1, H2‧‧‧First contact window
H3‧‧‧Second contact window
PE1‧‧‧The first pixel electrode
PE2‧‧‧Second pixel electrode
PX1, PX2, PX3 ‧‧‧ pixel structure
RE1‧‧‧First reflective electrode
RE2‧‧‧Second reflective electrode
S1‧‧‧First source
S2‧‧‧Second source
SE1‧‧‧First semiconductor layer
SE2‧‧‧Second semiconductor layer
T1‧‧‧ First active component
T2‧‧‧Second active component

FIG. 1A is a schematic diagram of a pixel structure according to an embodiment of the new type.
FIG. 1B is a schematic cross-sectional view of the pixel structure according to section line A1-A1 'of FIG. 1A.
FIG. 1C is a schematic cross-sectional view of the pixel structure according to section line A2-A2 'of FIG. 1A.
FIG. 2 is a schematic diagram of a pixel structure of another embodiment of the new type.
FIG. 3 is a schematic diagram of a pixel structure of another embodiment of the new type.
4A to 4C are vertical projection area ratios of the first display block and the second display block in some embodiments of the present invention.

Claims (10)

A pixel structure has a first gray scale display area and a second gray scale display area, the first gray scale display area includes two first display blocks, and the second gray scale display area includes The second display block between the two first display blocks includes:
The first conductive electrode and the second conductive electrode are respectively disposed in the first gray scale display area and the second gray scale display area; and the first active element and the second active element are respectively conductive with the first The electrode and the second conductive electrode are electrically connected,
Wherein the first active element and the second active element are respectively disposed in the two first display blocks or are respectively disposed in one of the two first display blocks and the second display area In the block. The pixel structure as described in item 1 of the patent application scope further includes a substrate and a first insulating layer disposed on the substrate, wherein the first active element is located on the substrate and includes a first gate, A first source, a first drain, and a first semiconductor layer, the first drain is electrically connected to the first conductive electrode, and the first gate is connected to the first source, the first A drain and the first semiconductor layer are separated by the first insulating layer, and the second active element is located on the substrate and includes a second gate, a second source, a second drain, and a first Two semiconductor layers, the second drain electrode is electrically connected to the second conductive electrode, and the second gate electrode is connected to the second source electrode, the second drain electrode and the second semiconductor layer Separated by the first insulating layer. The pixel structure as described in item 2 of the patent application scope includes:
A second insulating layer is provided on the first insulating layer and covers the first active element and the second active element; and a flat layer is provided on the second insulating layer, wherein the first The conductive electrode and the second conductive electrode are disposed on the flat layer. The pixel structure as described in item 1 of the patent application scope further includes a storage electrode, wherein when the first active element and the second active element are respectively disposed in the two first display blocks, The storage electrode is located in the second display block and overlaps the second conductive electrode in the vertical projection direction. The pixel structure as described in item 1 of the patent application scope further includes a storage electrode, wherein when the first active element and the second active element are respectively disposed on one of the two first display blocks And in the second display block, the storage electrode is located in the other of the two first display blocks and overlaps the first conductive electrode in the vertical projection direction. The pixel structure of claim 3, wherein the first active element is electrically connected to the first conductive electrode through a first contact window penetrating the second insulating layer and the flat layer , The first contact window is located in the first gray-scale display area. The pixel structure as described in item 6 of the patent application scope, wherein the first contact window includes two contact windows, and the two contact windows are respectively located in the two first display blocks. The pixel structure of claim 3, wherein the second active element is electrically connected to the second conductive electrode through a second contact window penetrating the second insulating layer and the flat layer , The second contact window is located in the second grayscale display area. The pixel structure as described in item 1 of the patent application range, wherein the first conductive electrode includes a first pixel electrode and a first reflective electrode provided on the first pixel electrode, and the second conductive The electrode includes a second pixel electrode and a second reflective electrode provided on the second pixel electrode. The pixel structure as described in item 1 of the patent application scope, wherein the vertical projection area fraction of the first display block and the second display block is 0.5 ~ 2.