TWI556039B - Liquid crystal display - Google Patents

Description

LCD Monitor

The present invention relates to a liquid crystal display, and more particularly to a liquid crystal display capable of avoiding linear display defects.

1 is a schematic diagram of a prior art pixel array 100, which can be applied to a liquid crystal display. The pixel array 100 includes a plurality of pixels 110. Each pixel 110 includes a first reflective layer 112 and a second reflective layer 114. In order to display the two-dimensional gray scale, the gray scale of the area is generally used, and even if the area of the second reflective layer 114 is designed to be twice that of the first reflective layer 112, the two reflective layers are Bright and dark combination can form four different gray levels in the two-dimensional gray scale. The first column of pixels 110A in Fig. 1 presents the gray scale of (1,1) in the two-dimensional gray scale, that is, the gray scale with the highest brightness, and the second column of pixels 110B appears in the two-dimensional gray scale. The gray scale of (1,0), the third column of pixels 110C exhibits a gray scale of (0,1) in the two-dimensional gray scale, and the fourth column of pixels 110D exhibits a two-dimensional gray scale (0, The gray scale of 0), that is, the gray scale with the smallest brightness.

However, as shown in FIG. 1, a first reflective layer 114 of each pixel 110 and a first reflective layer 112 of each pixel 110 in the third column of pixels 110C in the second column of pixels 110B form a strip. The bright line makes the linear display of the gradual smoothness that should appear in the gradation. Such defects are more obvious in liquid crystal displays with low resolution, such as memory in pixel (MIP) displays. It has become a problem that the relevant fields are trying to solve.

One embodiment of the present invention provides a liquid crystal display. The liquid crystal display includes a liquid crystal layer, a plurality of first sub-pixels, a plurality of second sub-pixels, and a driving circuit. Each first sub-pixel includes a first reflective layer. The first reflective layer is disposed under the liquid crystal layer for reflecting light that penetrates the liquid crystal layer and is incident on the first reflective layer. The first reflective layer has a connection reflection portion, a first reflection portion, and a second reflection portion. The middle portion of the first reflecting portion is connected to the first end of the connecting reflection portion and the first reflecting portion and the connecting reflecting portion are perpendicular to each other. The middle portion of the second reflection portion is connected to the second end of the connection reflection portion and the second reflection portion and the connection reflection portion are perpendicular to each other. Each of the second sub-pixels includes a second reflective layer and a third reflective layer. The second reflective layer is disposed under the liquid crystal layer, between the first reflective portion and the second reflective portion, and on the first side of the reflective portion for reflecting light that penetrates the liquid crystal layer and is incident on the second reflective layer. The third reflective layer is disposed under the liquid crystal layer, between the first reflective portion and the second reflective portion, and on the second side of the reflective portion for reflecting light that penetrates the liquid crystal layer and is incident on the third reflective layer. The driving circuit is coupled to each of the first sub-pixels and each of the second sub-pixels for controlling each of the first sub-pixels and each of the second sub-pixels to deflect a plurality of liquid crystal molecules in the liquid crystal layer. The surface area of the second reflective layer is equal to the surface area of the third reflective layer, and the surface area of the first reflective layer is twice the sum of the surface area of the second reflective layer and the surface area of the third reflective layer.

Another embodiment of the present invention provides a liquid crystal display. The liquid crystal display comprises a substrate, a first base transparent conductive layer, a second base transparent conductive layer, an insulating layer, a plurality of first sub-pixels, a plurality of second sub-pixels, and a liquid crystal layer. The first substrate transparent conductive layer is disposed above the substrate, and the second substrate transparent conductive layer is also disposed above the substrate. The insulating layer is disposed on the first base transparent conductive layer, the second base transparent conductive layer, and the substrate. Each of the first sub-pixels includes a first pixel transparent conductive layer disposed above the insulating layer, a first reflective layer disposed above the first pixel transparent conductive layer, and a penetrating insulating layer coupled to the first pixel a first dielectric layer between the transparent conductive layer and the first base transparent conductive layer. Each second sub-pixel The second pixel transparent conductive layer disposed above the insulating layer, the second reflective layer disposed above the second pixel transparent conductive layer, the transparent insulating layer and coupled to the second pixel transparent conductive layer and the second substrate a second interlayer between the transparent conductive layers, a third pixel transparent conductive layer disposed above the insulating layer, a third reflective layer disposed above the third transparent pixel conductive layer, and a through insulating layer coupled to the first layer a third interlayer between the three-pixel transparent conductive layer and the second base transparent conductive layer. The liquid crystal layer is disposed above the first reflective layer, the second reflective layer, and the third reflective layer. The surface area of the first reflective layer is twice the sum of the surface area of the second reflective layer and the surface area of the third reflective layer, the surface area of the second reflective layer and the surface area of the third reflective layer are equal, and the centroid of the first reflective layer It coincides with the centroids of the second reflective layer and the third reflective layer.

100‧‧‧ pixel array

110, 210, 610‧‧ ‧ pixels

112, 212, 612‧‧‧ first sub-pixel

114, 214, 614‧‧‧ second sub-pixel

110A, 210A‧‧‧ first column of pixels

110B, 210B‧‧‧second column of pixels

110C, 210C‧‧‧ third column of pixels

110D, 210D‧‧‧ fourth column of pixels

200, 600‧‧‧ liquid crystal display

220, 620‧‧‧ drive circuit

222 _n-1 , 222 _n , and 222 _n+1 ‧‧‧ control units

630‧‧‧Liquid layer

2121‧‧‧First reflection

2122‧‧‧Second reflection

2123‧‧‧Connected reflection

212R ₁ , 612R ₁ ‧‧‧ first reflective layer

214R ₂ , 614R ₂ ‧‧‧ second reflective layer

214R ₃ , 614R ₃ ‧‧‧ third reflective layer

L‧‧‧ wire

V _w ‧‧‧first system voltage

V _b ‧‧‧second system voltage

G _n1 ‧‧‧ first gate signal

G _n2 ‧‧‧second gate signal

V _data1 ‧‧‧first data voltage

V _data2 ‧‧‧second data voltage

T1-T6‧‧‧ switch

Inv1-Inv4‧‧‧ reverser

612T ₁ ‧‧‧first pixel transparent conductive layer

614T ₂ ‧‧‧ second pixel transparent conductive layer

614T ₃ ‧‧‧third pixel transparent conductive layer

612V ₁ ‧‧‧ first layer

614V ₂ ‧‧‧Second layer

614V ₃ ‧‧‧ third layer

620V‧‧‧ layer

650‧‧‧Substrate

660A‧‧‧First base transparent conductive layer

660B‧‧‧Second base transparent conductive layer

670‧‧‧Insulation

Figure 1 is a schematic diagram of a prior art pixel array.

2 is a schematic view of a liquid crystal display according to an embodiment of the present invention.

Fig. 3 is a schematic view showing a reflective layer of a first pixel and a reflective layer of a second sub-pixel of the liquid crystal display of Fig. 2.

Figure 4 is a schematic diagram showing the use of the first pixel and the second sub-pixel of Figure 3 to show the gray scale bright and dark gradient.

Fig. 5 is a schematic view showing a driving circuit of the liquid crystal display of Fig. 2.

Figure 6 is a schematic view of a liquid crystal display according to another embodiment of the present invention.

FIG. 2 is a schematic diagram of a liquid crystal display 200 according to an embodiment of the present invention. The liquid crystal display 200 includes a driving circuit 220 and a plurality of pixels 210. Each pixel 210 includes a first sub-pixel 212 and a second sub-pixel 214. The driver 220 can be coupled to each of the first sub-pixels 212 and each of the second sub-pixels 214. In an embodiment of the present invention, a plurality of pixels 210 may be disposed under the liquid crystal layer, so that the driver 220 can control the first sub-pixel 212 and the second sub-pixel 214 to deflect the liquid crystal layer. Liquid crystal molecules, while passing through different angles of deflection of liquid crystal molecules, can exhibit different degrees of light transmission. In the second embodiment, the first sub-pixel 212 may include a first reflective layer 212R ₁ and a peripheral circuit 212C. The peripheral circuit 212C may be coupled to the driver 220 for adjusting the first reflective layer according to the potential signal emitted by the driver 220. The potential of 212R ₁ . The second sub-pixel 214 can include a second reflective layer 214R ₂ , a third reflective layer 214R _{3 ,} and a peripheral circuit 214C. The peripheral circuit 214C can be coupled to the driver 220 for adjusting the second reflection according to the potential signal emitted by the driver 220. The potential of the layer 214R ₂ and the third reflective layer 214R ₃ .

3 is a schematic diagram of the first reflective layer 212R ₁ of the first sub-pixel 212 and the second reflective layer 214R ₂ and the third reflective layer 214R ₃ of the second sub-pixel 214 in FIG. 2 . The first reflective layer 212R _{1 of the} first sub-pixel 212 has a first reflective portion 2121, a second reflective portion 2122, and a connection reflective portion 2123. The middle portion of the first reflection portion 2121 is connected to the first end of the connection reflection portion 2123 and the first reflection portion 2121 and the connection reflection portion 2123 are perpendicular to each other. The middle portion of the second reflection portion 2122 is connected to the second end of the connection reflection portion 2123 and the second reflection portion 2122 and the connection reflection portion 2123 are perpendicular to each other. Due to the non-ideality of the process, the aforementioned vertical relationship is not limited to 90 degrees, and includes angle changes due to non-ideal characteristics of the actual process.

The second reflective layer 214R _{2 of the} second sub-pixel 214 may be disposed between the first reflective portion 2121 and the second reflective portion 2122, and may be disposed on the first side of the connection reflective portion 2123; the second sub-pixel 214 The third reflective layer 214R ₃ may be disposed between the first reflective portion 2121 and the second reflective portion 2122 and may be disposed on the second side of the connection reflective portion 2123. The surface area of the second reflective layer 214R ₂ may be equal to the surface area of the third reflective layer 214R ₃ , and the surface area of the first reflective layer 212R ₁ may be the sum of the surface area of the second reflective layer 214R _{2 and} the surface area of the third reflective layer 214R ₃ . Twice.

In the embodiment of FIG. 3, the second reflective layer 214R ₂ and the third reflective layer 214R ₃ are symmetrically disposed on opposite sides of the connecting reflective portion 2123 of the first reflective layer 212R ₁ , and the first reflective layer 212R The centroid of ₁ coincides with the centroids of the second reflective layer 214R ₂ and the third reflective layer 214R ₃ .

In an embodiment of the invention, the first reflective layer 212R ₁ , the second reflective layer 214R _{2 ,} and the third reflective layer 214R ₃ may be disposed under the liquid crystal layer. In this way, when the light emitted by the external light source penetrates the liquid crystal layer and enters the first reflective layer 212R ₁ , the second reflective layer 214R _{2 ,} and the third reflective layer 214R ₃ , the first reflective layer 212R ₁ can be used for reflection. The light that penetrates the liquid crystal layer and is incident on the first reflective layer 212R, the second reflective layer 214R ₂ may be used to reflect light that penetrates the liquid crystal layer and is incident on the second reflective layer 214R ₂ , and the third reflective layer 214R ₃ may be used. Light that reflects through the liquid crystal layer and is incident on the third reflective layer 214R ₃ . When the driving circuit 220 controls the potentials of the first reflective layer 212R ₁ , the second reflective layer 214R _{2 ,} and the third reflective layer 214R ₃ to deflect liquid crystal molecules in the liquid crystal layer, the liquid crystal molecules in the liquid crystal layer can have different wear. The light transmittance is such that the light reflected by the first reflective layer 212R ₁ , the second reflective layer 214R _{2 ,} and the third reflective layer 214R ₃ is also different in intensity, so that the brightness of the image gray scale is exhibited.

In one embodiment of the present invention, the first reflective layer 212R ₁ , the second reflective layer 214R _{2 ,} and the third reflective layer 214R ₃ may be disposed on the same plane, and the first reflective layer 212R and the second reflective layer 214R ₂ and A plurality of reflective bumps may be distributed on the third reflective layer 214R ₃ . The second reflective layer 214R ₂ may be coupled to the third reflective layer 214R ₃ via the wire L, and thus the second reflective layer 214R ₂ and the third reflective layer 214R ₃ may have the same potential.

Fig. 4 is a schematic diagram showing the gray scale bright and dark gradation of the liquid crystal display 200 using the pixel 210 of Fig. 3. In Fig. 4, the first column of pixels 210A exhibits a gray scale of (1, 1) in the two-dimensional gray scale, and the second column of pixels 210B exhibits a gray of (1, 0) in the two-dimensional gray scale. In order, the third column of pixels 210C exhibits a gray scale of (0, 1) in the two-dimensional gray scale, and the fourth column of pixels 210D exhibits a gray scale of (0, 0) in the two-dimensional gray scale. As shown in FIG. 4, each column of pixels 210A, 210B, 210C, and 210D is not adjacent to each other because the first sub-pixel 212 and the second sub-pixel 214 of each pixel are adjacent to each other. The defects of the line display are formed in these pictures. That is, through the arrangement of the first sub-pixel 212 and the second sub-pixel 214 in the liquid crystal display 200, the linear display defects that may be formed in the prior art can be effectively solved.

Fig. 5 is a schematic view of the drive circuit 220 in Fig. 2. The driving circuit 220 includes a plurality of control units 222 _n-1 , 222 _n , and 222 _n+1 , and each of the control units 222 _n-1 , 222 _n , and 222 _n+1 has the same structure and similar operation principle, and The potential of the first reflective layer 212R _{1 of the} first sub-pixel 212 and the second reflective layer 214R ₂ and the second reflective layer 214R ₃ of the second sub-pixel 212 can be controlled to deflect liquid crystal molecules in the liquid crystal layer. For convenience of explanation, the liquid crystal display 200 will be used to control a plurality of pixels in the n-th pixel 210 of the control unit 222 as described _n, n is an integer.

The control unit 222 _n includes a first switch T1, a second switch T2, a third switch T3, a fourth switch T4, a fifth switch T5, a sixth switch T6, a first reverse component Inv1, and a second reverse component Inv2. The third inversion element Inv3 and the fourth inversion element Inv4. The first switch T1 has a first end, a second end, and a control end. The first end of the first switch T1 can be used to receive the first data voltage V _data1 , and the control end of the first switch T1 can be used to receive the first gate signal G _N1 . The second switch T2 has a first end, a second end, and a control end. The first end of the second switch is configured to receive the first system voltage V _w , and the second end of the second switch T2 is coupled to the nth pixel 210 . The first sub-pixel 212 is coupled to the second end of the first switch T1. The third switch T3 has a first end, a second end, and a control end. The first end of the third switch T3 is coupled to the second end of the second switch T2, and the second end of the third switch T3 is configured to receive the second system. Voltage V _b . The first inverting element Inv1 has an input end and an output end. The input end of the first inverting element Inv1 is coupled to the control end of the second switch T2, and the output end of the first inverting element Inv1 is coupled to the third switch T3. Control terminal. The second inverting component Inv2 has an input end and an output end, the input end of the second inverting component Inv2 is coupled to the control end of the third switch T3, and the output end of the second inverting component Inv2 is coupled to the second switch T2. Control terminal. The fourth switch T4 has a first end, a second end and a control end, the first end of the fourth switch T4 is for receiving the second data voltage V _data2 , and the control end of the fourth switch T4 is for receiving the second gate signal G _N2 . The fifth switch T5 having a first terminal, a second terminal and a control terminal, a first terminal of the fifth switch T5 system for receiving a first voltage V _w, the second terminal of the fifth switch T5 is coupled to the n-th pixel The second sub-pixel 214 of the second switch T1 is coupled to the second end of the fourth switch T4. The sixth switch T6 has a first end, a second end, and a control end. The first end of the sixth switch T6 is coupled to the second end of the fifth switch T5, and the second end of the sixth switch T6 is configured to receive the second system. Voltage V _b . The third inverting element Inv3 has an input end and an output end, the input end of the third inverting element Inv3 is coupled to the control end of the fifth switch T5, and the output end of the third inverting element Inv3 is coupled to the sixth switch T6. Control terminal. The fourth inverting component Inv4 has an input end and an output end, the input end of the fourth inverting component Inv4 is coupled to the control end of the sixth switch T6, and the output end of the fourth inverting component Inv4 is coupled to the fifth switch T5. Control terminal.

In an embodiment of the present invention, the first switch T1, the second switch T2, the third switch T3, the fourth switch T4, the fifth switch T5, and the sixth switch T6 may be N-type field effect transistors or P-type fields. Effective transistor field.

By sequentially enabling the first gate signal and the second gate signal of each of the control units 222 _n-1 , 222 _n , and 222 _n+1 , each pixel in the liquid crystal display 200 can be sequentially turned on. 210. The first sub-pixel 212 and the second sub-pixel 214 of each pixel 210 can respectively deflect liquid crystal molecules in the liquid crystal layer according to the first data voltage V _data1 and the second data voltage V _data2 .

Fig. 6 is a partial cross-sectional view showing a liquid crystal display 600 according to an embodiment of the present invention. The liquid crystal display 600 includes a substrate 650, a first base transparent conductive layer 660A, a second base transparent conductive layer 660B, an insulating layer (PL) 670, a plurality of pixels 610, and a liquid crystal layer 630. The first base transparent conductive layer 660A and the second base transparent conductive layer 660B may be disposed above the substrate 650. The insulating layer 670 can be disposed over the first base transparent conductive layer 660A, the second base transparent conductive layer 660B, and the substrate 650. The substrate 650, for example, may be a tantalum nitride (SiN) insulating layer, and each pixel 610 includes a first sub-pixel 612 and a second sub-pixel 614.

The first sub-pixel 612 includes a first pixel transparent conductive layer 612T ₁ , a first reflective layer 612R _{1 ,} and a first via 612V ₁ . The first pixel transparent conductive layer 612T ₁ may be disposed above the insulating layer 670 , the first reflective layer 612R ₁ may be disposed above the first pixel transparent conductive layer 612T ₁ , and the first dielectric layer 612V _{1 may} penetrate the insulating layer 670 . The first pixel transparent conductive layer 612T ₁ and the first base transparent conductive layer 660A are coupled between the first pixel transparent conductive layer 612T ₁ .

The second sub-pixel 614 includes a second pixel transparent conductive layer 614T ₂ , a second reflective layer 614R ₂ , a second dielectric layer 614V ₂ , a third pixel transparent conductive layer 614T ₃ , a third reflective layer 614R _{3 ,} and a third Interlayer 614V ₃ . The second pixel transparent conductive layer 614T ₂ may be disposed over the insulating layer 670 , the second reflective layer 614R ₂ may be disposed over the second pixel transparent conductive layer 614T ₂ , and the second dielectric layer 614V _{2 may} penetrate the insulating layer 670 . And coupled between the second pixel transparent conductive layer 614T ₂ and the second base transparent conductive layer 660B. The third pixel transparent conductive layer 614T ₃ may be disposed over the insulating layer 670 , the third reflective layer 614R ₃ may be disposed over the third pixel transparent conductive layer 614T ₃ , and the third dielectric layer 614V _{3 may} penetrate the insulating layer 670 . And coupled between the third pixel transparent conductive layer 614T ₃ and the second base transparent conductive layer 660B.

The first base transparent conductive layer 660A and the second base transparent conductive layer 660B are two separate metal layers that are not connected; in FIG. 6, a part of the second base transparent conductive layer 660B is located on the first base transparent conductive layer 660A. The rear portion causes a portion of the second base transparent conductive layer 660B to be blocked by the first base transparent conductive layer 660A without being drawn on the drawing. The second reflective layer 614R ₂ and the third reflective layer 614R ₃ can be maintained at the same potential by being coupled to the second base transparent conductive layer 660B. In an embodiment of the invention, the first base transparent conductive layer 660A and the second base transparent conductive layer 660B can be completed in the same process.

The surface area of the first reflective layer 612R ₁ is twice the sum of the surface area of the second reflective layer 614R _{2 and} the surface area of the third reflective layer 614R _{3 ,} the surface area of the second reflective layer 614R _{2 and} the surface area of the third reflective layer 614R ₃ . Equal to each other, and the centroid of the first reflective layer 612R ₁ coincides with the centroids of the second reflective layer 614R ₂ and the third reflective layer 614R ₃ . In an embodiment of the present invention, the shapes of the first sub-pixel 612 and the second sub-pixel 614 may be the same as the first sub-pixel 212 and the second sub-pixel 214, respectively, and the third picture may be The first sub-pixel 212 and the second sub-pixel 214 are regarded as a top view of the first sub-pixel 612 and the second sub-pixel 614. At this time, the first reflective layer 612R ₁ shown in FIG. 6 can be regarded as The connection reflective portion 2123 of the first reflective layer 212R ₁ of FIG. 2, and the second transparent conductive layer 660B can be regarded as the wire L of FIG. 2 to connect the second reflective layer 614R ₂ and the third reflective layer 614R ₃ .

The liquid crystal layer 630 may be disposed above the first reflective layer 612R ₁ , the second reflective layer 614R _{2 ,} and the third reflective layer 614R ₃ . The driving circuit 620 can be disposed under the substrate 650 and can be coupled to the first base transparent conductive layer 660A and the second base transparent conductive layer 660B. In an embodiment of the present invention, the structure of the driving circuit 620 can be the same as that of the driving circuit 220 of FIG. 5, and the second end of the second switch T2 of the driving circuit 620 can be coupled to the first substrate transparent conductive layer 660A. The first sub-pixel 612, and the second end of the fifth switch T5 of the driving circuit 620 is coupled to the second sub-pixel 614 through the second transparent conductive layer 660B. In an embodiment of the invention, the driving circuit 620 can be coupled to the first substrate transparent conductive layer 660A and the second substrate transparent conductive layer 660B through the via 620V of the substrate 650. In this way, the driving circuit 620 can control the potentials of the first sub-pixel 612 and the second sub-pixel 614 to deflect the liquid crystal molecules in the liquid crystal layer 630.

In an embodiment of the invention, when the light emitted by the external light source penetrates the liquid crystal layer 630 and is incident on the first reflective layer 612R ₁ , the second reflective layer 614R ₂ and the third reflective layer 614R ₃ , the first reflective layer 612R ₁ can be used to reflect light that penetrates the liquid crystal layer 630 and is incident on the first reflective layer 612R ₁ , and the second reflective layer 614R ₂ can be used to reflect light that penetrates the liquid crystal layer 630 and is incident on the second reflective layer 614R ₂ . The third reflective layer 614R ₃ can then be used to reflect light that penetrates the liquid crystal layer 630 and is incident on the third reflective layer 614R ₃ .

In one embodiment of the present invention, the substrate 650 may be a compound of ruthenium oxide or nitrogen oxide. The first reflective layer 612R ₁ , the second reflective layer 614R _{2 ,} and the third reflective layer 614R ₃ may be made of silver. The material of the transparent conductive layer 612T ₁ , the second pixel transparent conductive layer 614T _{2 ,} and the third pixel transparent conductive layer 614T ₃ may be indium tin oxide.

In summary, according to the setting of the first sub-pixel and the second sub-pixel in the embodiment of the present invention, it can be avoided in the prior art that the sub-pixels in different pixels are adjacent to each other, resulting in some A defect in the linear display is formed in the screen, which in turn increases the quality of the image displayed on the liquid crystal display.

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.

212‧‧‧The first sub-pixel

214‧‧‧Second subpixel

2121‧‧‧First reflection

2122‧‧‧Second reflection

2123‧‧‧Connected reflection

212R ₁ ‧‧‧First reflective layer

214R ₂ ‧‧‧second reflective layer

214R ₃ ‧‧‧ third reflective layer

L‧‧‧ wire

Claims (10)

A liquid crystal display comprising a liquid crystal layer; a plurality of first sub-pixels, wherein each of the first sub-pixels comprises: a first reflective layer disposed under the liquid crystal layer for reflecting and penetrating the liquid crystal layer a light to one of the first reflective layers, the first reflective layer having: a connecting reflective portion; a first reflective portion, the middle portion of the first reflective portion being coupled to the first end of the connecting reflective portion and the first The reflection portion and the connection reflection portion are perpendicular to each other; and a second reflection portion, the middle portion of the second horizontal portion is connected to the second end of the connection reflection portion and the second reflection portion and the connection reflection portion are perpendicular to each other; a second sub-pixel, wherein each of the second sub-pixels comprises: a second reflective layer disposed under the liquid crystal layer, between the first reflective portion and the second reflective portion, and one of the connected reflective portions a first side for reflecting light passing through the liquid crystal layer and incident on the second reflective layer; and a third reflective layer disposed under the liquid crystal layer, the first reflective portion and the second reflective portion And the second side of the connecting reflector a light that penetrates the liquid crystal layer and is incident on the third reflective layer; and a driving circuit coupled to the first sub-pixels and the second sub-pixels for controlling the first sub-pictures And the second sub-pixels to deflect a plurality of liquid crystal molecules in the liquid crystal layer; wherein a surface area of one of the second reflective layers is equal to a surface area of one of the third reflective layers, and a surface area of the first reflective layer It is twice the sum of the surface area of the second reflective layer and the surface area of the third reflective layer. The liquid crystal display of claim 1, wherein the driving circuit comprises: a first switch having a first end for receiving a first data voltage, a second end, and a control end for receiving a first a second switch having a first end for receiving a first system voltage, a second end coupled to the first sub-pixel, and a control end coupled to the first switch a second switch having a first end coupled to the second end of the second switch, a second end for receiving a second system voltage, and a control end; a first reverse The component has an input end coupled to the control end of the second switch, and an output end coupled to the control end of the third switch; a second inverting component having an input coupled to the first end The control terminal of the three switches and an output end coupled to the control end of the second switch; a fourth switch having a first end for receiving a second data voltage, a second end, and a control The end is configured to receive a second gate signal; a fifth switch has a first end for receiving the first a second end of the system is coupled to the second sub-pixel, and a control end is coupled to the second end of the fourth switch; a sixth switch having a first end coupled to the fifth end a second end of the switch, a second end for receiving the second system voltage, and a control end; a third reverse element having an input end coupled to the control end of the fifth switch, and a The output end is coupled to the control end of the sixth switch; and a fourth reverse component having an input end coupled to the control end of the sixth switch, and an output end coupled to the fifth switch The console. The liquid crystal display of claim 1, wherein one of the first reflective layer has a centroid and the second One of the reflective layer and the third reflective layer has a centroid, and the first side of the connection reflection portion and the second side of the connection reflection portion are located on opposite sides of the connection reflection portion. The liquid crystal display of claim 1, wherein the first reflective layer, the second reflective layer, and the third reflective layer are disposed on a same plane, and the second reflective layer is coupled to the first reflective layer via a wire Three reflective layers. A liquid crystal display comprising: a substrate; a first substrate transparent conductive layer disposed over the substrate; a second substrate transparent conductive layer disposed over the substrate; an insulating layer disposed on the first substrate transparent conductive layer The second substrate transparent conductive layer and the substrate; a plurality of first sub-pixels, each of the first sub-pixels comprising: a first pixel transparent conductive layer disposed above the insulating layer; a first reflection a layer disposed above the first pixel transparent conductive layer; and a first via layer penetrating the insulating layer and coupled between the first pixel transparent conductive layer and the first substrate transparent conductive layer; a second sub-pixel, each second sub-pixel comprises: a second pixel transparent conductive layer disposed above the insulating layer; a second reflective layer disposed above the second pixel transparent conductive layer; a second via, penetrating the insulating layer and coupled between the second pixel transparent conductive layer and the second substrate transparent conductive layer; a third pixel transparent conductive layer disposed above the insulating layer; a third reflective layer disposed over the third pixel transparent conductive layer; and a third dielectric layer penetrating the insulating layer and coupled to the third pixel transparent conductive layer and the second base transparent conductive layer And a liquid crystal layer disposed above the first reflective layer, the second reflective layer, and the third reflective layer; wherein a surface area of the first reflective layer is a surface area of the second reflective layer The surface area of one of the third reflective layers is twice the surface area of the second reflective layer and the surface area of the third reflective layer are equal, and one of the first reflective layer and the second reflective layer One of the third reflective layers has a centroid that coincides. The liquid crystal display of claim 5, wherein the first reflective layer, the second reflective layer, and the third reflective layer are made of silver, the first pixel transparent conductive layer and the second pixel are transparently conductive. The material of the layer and the third pixel transparent conductive layer is indium tin oxide. The liquid crystal display according to claim 1 or 5, further comprising: a light source for emitting light to penetrate the liquid crystal layer and incident on the first reflective layer, the second reflective layer and the third reflective layer. The liquid crystal display according to claim 1 or 5, wherein a plurality of reflective bumps are distributed on the first reflective layer, the second reflective layer and the third reflective layer. The liquid crystal display of claim 5, further comprising a driving circuit disposed under the substrate, the driving circuit comprising: a first switch having a first end for receiving a first data voltage and a second end And a control terminal for receiving a first gate signal; a second switch having a first end for receiving a first system voltage, a second end coupled to the first base transparent conductive layer, and a control end coupled to the second end of the first switch a third switch having a first end coupled to the second end of the second switch, a second end for receiving a second system voltage, and a control end; a first reverse element having An input end is coupled to the control end of the second switch, and an output end is coupled to the control end of the third switch; a second inverting component having an input end coupled to the third switch The control terminal and the output end are coupled to the control end of the second switch; the fourth switch has a first end for receiving a second data voltage, a second end, and a control end for Receiving a second gate signal; a fifth switch having a first end for receiving the first system voltage, a second end coupled to the second base transparent conductive layer, and a control end coupled to the a second end of the fourth switch; a sixth switch having a first end coupled to the fifth switch a second terminal for receiving the second system voltage and a control terminal; a third reverse component having an input coupled to the control terminal of the fifth switch, and an output coupled to the output terminal The control terminal of the sixth switch has an input end coupled to the control end of the sixth switch, and an output end coupled to the control end of the fifth switch. The liquid crystal display according to claim 2, wherein the first switch, the second switch, the third switch, the fourth switch, the fifth switch, and the sixth open relationship are N-type field effect transistors Or P-type field effect transistor field.