CN1288480C - Transflective LCD - Google Patents

Abstract

A transflective LCD is mainly composed of an active device array substrate, an opposite substrate, a liquid crystal layer and a reflector. The liquid crystal molecules in the transmission region are driven by the transmission pixel electrode and the common electrode, and the liquid crystal molecules in the reflection region are driven by the transmission pixel electrode and the auxiliary electrode on the active element array substrate or the opposite substrate. Under the condition of single crystal hole spacing, the effective phase difference change in the reflection region and the transmission region is controlled by the direction of the applied electric field, so that the light utilization efficiency of the reflection region and the transmission region is optimized.

Description

Transflective LCD

technical field

The present invention relates to a transflective LCD, and more particularly to a transflective LCD with a single cell gap.

Background technique

The rapid progress of the multimedia society is mostly due to the rapid progress of semiconductor components or man-machine display devices. As far as the display is concerned, the cathode ray tube (Cathode Ray Tube, CRT) has been monopolizing the display market in recent years because of its excellent display quality and economy. However, for the environment where individuals operate most terminals/display devices on the table, or from the perspective of environmental protection, if the trend of energy saving is predicted, cathode ray tubes still have many problems in terms of space utilization and energy consumption, and There is no effective solution to the demands of lightness, thinness, shortness, smallness and low power consumption. Therefore, thin film transistor liquid crystal displays (TFT-LCDs) with superior characteristics such as high image quality, good space utilization efficiency, low power consumption, and low radiation have gradually become the mainstream of the market.

Generally, liquid crystal displays can be classified into three categories: transmissive, reflective, and transflective. The classification is based on the utilization of light sources and differences in array substrates (arrays). Among them, the transmissive liquid crystal display mainly uses the back light as the light source, and the pixel electrodes on the array substrate are transparent electrodes to facilitate the penetration of the back light; the reflective liquid crystal display mainly uses the front light or the front light. The external light source is used as the light source, and the pixel electrodes on the array substrate are metal or other reflective electrodes with good reflective properties, which are suitable for reflecting the front light source or external light source; while the transflective liquid crystal display can use the backlight source at the same time And the external light source for display, the pixels on it can be divided into a transmissive area and a reflective area, the transmissive area has a transmissive electrode for backlight penetration, and the reflective area has a reflective electrode suitable for reflecting the external light source.

Take the normally black transflective liquid crystal display as an example. When no voltage is applied, both the transmissive area and the reflective area are in the dark state, and when the transmissive area and the reflective area are switched from dark to In the brightest state, the phase difference change of the penetrating region needs to be ±λ/2, while the phase difference change of the reflective region needs to be ±λ/4. However, under the condition of a single cell gap, the above-mentioned phase difference change cannot be satisfied at the same time, so the light utilization efficiency of the transmissive area and the reflective area cannot be maximized at the same time. Since the display quality of the transflective liquid crystal display with a single cell gap is still limited, some transflective liquid crystal displays with a dual cell gap have been proposed one after another. The design of different cavity spacings between the transmissive area and the reflective area can overcome the problem that the light utilization efficiency is not optimal.

FIG. 1A is a schematic cross-sectional view of a conventional transflective liquid crystal display with double-cavity spacing. Please refer to FIG. 1A , a transflective liquid crystal display 100 with double-cavity spacing is mainly composed of an active device array substrate 102 , a pair of facing substrates 104 and a liquid crystal layer 106 . In the transflective liquid crystal display 100 with double crystal-cavity spacing, the crystal-cavity spacing on the transmissive region T is controlled as d, and the crystal-cavity spacing on the reflective region R is controlled as d/2, so the penetration The thickness of the liquid crystal layer 106 on the region T is d, and the thickness of the liquid crystal layer 106 on the reflective region R is d/2. Wherein, the crystal-cavity spacing or the thickness d of the liquid crystal layer 106 must satisfy the relational expression of phase difference change (Δn.d)=±λ/2. In this way, the phase difference changes achieved by the liquid crystal layer 106 with two different thicknesses (d, d/2) are ±λ/2 and ±λ/4, respectively.

FIG. 1B is a schematic layout diagram of a conventional transflective liquid crystal display with double-cavity spacing. It can be seen from FIG. 1B that a plurality of scanning lines 200 and a plurality of data lines 202 are arranged on the active device array substrate 102, and a pixel area is formed between adjacent scanning lines 200 and adjacent data lines 202. 212 , and an active device 204 , a transmissive electrode 206 and a reflective electrode 208 are disposed on the pixel area 212 . Wherein, the transmissive electrode 206 is disposed on a part of the pixel region 212 to form a transmissive region T, and the reflective electrode 208 is disposed on the pixel region 212 outside the transmissive region T to form a reflective region R.

Since the transmissive electrode 206 and the reflective electrode 208 in the same pixel area 212 are electrically connected to each other, the transmissive electrode 206 and the reflective electrode 208 in the same pixel area 212 can be controlled by the same active device 204 . In addition, existing common active elements 204 are, for example, thin film transistors (TFTs), diodes, etc., which can be driven by the scan wiring 200 and the data wiring 202 and switch states.

Although the transflective liquid crystal display with double-cavity spacing can further improve the light utilization efficiency, the production of the panel is relatively complicated.

Contents of the invention

Therefore, the purpose of the present invention is to propose a semi-transmissive semi-reflective liquid crystal display, in the case of a single crystal cavity spacing, the effective phase difference change in the reflective region and the transmissive region is controlled by the direction of the applied electric field, In order to optimize the light utilization efficiency of the reflection area and the transmission area.

In order to achieve the above purpose, the present invention discloses a semi-transmissive semi-reflective liquid crystal display, which mainly consists of an active element array substrate, on which there are a plurality of scanning wirings and a plurality of data wirings, two adjacent scanning wirings Lines and data wiring constitute a pixel area, where there is an active element, a penetrating electrode and a reflector on the pixel area, the active element is driven by the scanning wiring and data wiring, and the penetrating electrode is arranged in a part The pixel area of the penetrating area is used to form a penetrating area, and the reflective plate is arranged in the pixel area outside the penetrating area to form a reflecting area, and the penetrating electrode is electrically connected to the active device; a pair of facing substrates are disposed on it There are a plurality of common electrodes and a plurality of auxiliary electrodes, wherein the common electrodes are located on the penetrating electrodes, and the auxiliary electrodes are located on the reflection plate; a liquid crystal layer is formed between the active element array substrate and the opposite substrate and have the same thickness in the transmissive area and the reflective area, wherein a first alignment film is arranged between the liquid crystal layer and the active element array substrate, and a second alignment film is also arranged between the liquid crystal layer and the opposite substrate; The upper polarizer is arranged outside the active element array substrate; and the lower polarizer is arranged outside the opposite substrate.

Wherein the active element array substrate is one of a thin film transistor array substrate and a diode array substrate.

A plurality of color filter films are further arranged on the opposite substrate, and the positions of the color filter films correspond to the pixel regions.

It also includes a first retarder, the first retarder is disposed between the upper polarizer and the active element array substrate.

It also includes a second retarder, the second retarder is disposed between the lower polarizer and the active element array substrate.

At the same time, the present invention proposes another semi-transmissive semi-reflective liquid crystal display, which mainly consists of an active element array substrate with a plurality of scanning lines and a plurality of data lines on it, two adjacent The scanning wiring and the data wiring constitute a pixel area, wherein the pixel area has an active element and a penetrating electrode, the active element is driven by the scanning wiring and the data wiring, and the penetrating electrode is arranged on the pixel area. To form a penetrating area, and electrically connected with the active element; a pair of facing substrates, on which a plurality of common electrodes and a plurality of auxiliary electrodes are arranged, wherein the common electrodes are located on the penetrating electrodes, and the auxiliary electrodes are The area outside the transmissive electrode; a reflection plate is arranged on the outside of the active element array substrate to form a reflection area; a liquid crystal layer is arranged between the active element array substrate and the opposite substrate, and The transparent area and the reflective area have the same thickness, wherein a first alignment film is arranged between the liquid crystal layer and the active element array substrate, and a second alignment film is also arranged between the liquid crystal layer and the opposite substrate; an upper polarizer, It is arranged on the outer side of the active element array substrate; and the lower polarizer is arranged on the outer side of the opposite substrate.

The present invention also proposes another semi-transmissive semi-reflective liquid crystal display, the main components of which include: an active element array substrate with a plurality of scanning lines and a plurality of data lines on it, two adjacent scanning lines and a plurality of data lines. The data wiring constitutes a pixel area, wherein the pixel area has an active element, a reflective electrode and an auxiliary electrode, the active element is driven by the scanning wiring and the data wiring, and the reflective electrode is arranged on a part of the pixel area, to form a reflective area, and the pixel area except the reflective area can be regarded as a penetrating area, and the reflective electrode is electrically connected to the active device; a pair of facing substrates, on which a plurality of common electrodes are arranged, The common electrode is located on the reflective electrode; a liquid crystal layer is formed between the active element array substrate and the opposite substrate, and has the same thickness in the penetrating area and the reflective area, wherein the liquid crystal layer and the active element array substrate have the same thickness. A first alignment film is arranged between the liquid crystal layer and the opposite substrate; an upper polarizer is arranged outside the active element array substrate; and a lower polarizer is arranged on the opposite outside of the substrate.

Wherein the active element array substrate is one of a thin film transistor array substrate and a diode array substrate.

A plurality of color filter films are further arranged on the opposite substrate, and the positions of the color filter films correspond to the pixel regions.

It also includes: an upper polarizer arranged outside the active element array substrate; and a lower polarizer arranged outside the opposite substrate.

It also includes: a first retarder, the first retarder is arranged between the upper polarizer and the active element array substrate; and a second retarder, the second retarder is arranged between the lower polarizer and the active element array substrate Between active element array substrates.

In a preferred embodiment of the present invention, the active element array substrate can be one of a thin film transistor array substrate or a diode array substrate. In addition, the present invention can also be used for color display. For example, a color filter film corresponding to the pixel area can be arranged on the opposite substrate to form a color filter.

In addition, in a preferred embodiment, a first retarder can be arranged between the upper polarizer and the active element array substrate, and a second retarder can be arranged between the lower polarizer and the active element array substrate, for example. .

Description of drawings

In order to make the above-mentioned purposes, features, and advantages of the present invention more comprehensible, a preferred embodiment is specifically cited below, together with the accompanying drawings, and described in detail as follows, wherein:

FIG. 1A is a schematic cross-sectional view of a transflective liquid crystal display with a known double crystal hole spacing;

FIG. 1B is a schematic diagram of the layout of a transflective liquid crystal display with a known double crystal hole spacing;

2A and 2B are schematic cross-sectional views of a transflective liquid crystal display according to a first embodiment of the present invention;

3 is a schematic layout diagram of a transflective liquid crystal display according to a first embodiment of the present invention;

4A and 4B are schematic cross-sectional views of a transflective liquid crystal display according to a second embodiment of the present invention;

FIG. 5 is a schematic layout diagram of a transflective liquid crystal display according to a second embodiment of the present invention;

6A and 6B are schematic cross-sectional views of a transflective liquid crystal display according to a third embodiment of the present invention; and

FIG. 7 is a schematic layout diagram of a transflective liquid crystal display according to a third embodiment of the present invention.

Detailed ways

first embodiment

2A and 2B are schematic cross-sectional views of a transflective liquid crystal display according to a first embodiment of the present invention. Please refer to FIG. 2A , in this embodiment, the transflective liquid crystal display is mainly composed of an active element array substrate 400 , a pair of facing substrates 300 and a liquid crystal layer 500 . Wherein, the active device array substrate 400 has a plurality of pixel areas, and each pixel area is provided with an active device (not shown), a penetrating electrode 402 and a reflective plate 404 . Wherein, the active element (not shown) and the penetrating electrode 402 are disposed on a part of the pixel area to form a penetrating area T, and the reflector 404 is disposed on the pixel area 212 outside the penetrating area T to form A reflective region R is formed. In particular, the penetrating electrode 402 is not electrically connected to the reflector 404 .

A plurality of common electrodes 302 and a plurality of auxiliary electrodes 304 are arranged on the opposite substrate 300 . Wherein, the common electrode 302 is located above the penetrating electrode 402 , and the auxiliary electrode 304 is located above the reflective plate 404 . In addition, the liquid crystal layer 500 is disposed between the active device array substrate 400 and the opposite substrate 300 .

However, in addition to the active element array substrate 400, the opposite substrate 300, and the liquid crystal layer 500, in order to achieve the purpose of display, optical films such as the first retarder 306 and the upper polarizer 308 are arranged on the outside of the opposite substrate 300, and Optical films such as a second retarder 406 and a lower polarizer 408 are arranged outside the active device array substrate 400 . Wherein, the first retarder 306 has, for example, a phase delay effect of λ/4, and the second retarder 406 has, for example, a phase delay effect of λ/4.

Please refer to FIG. 2A and FIG. 2B at the same time. When the liquid crystal layer 500 used in this embodiment is, for example, a negative type liquid crystal, the slow axis of the liquid crystal molecules will be parallel to the direction of the electric field provided. When no voltage is applied, the liquid crystal molecules will be arranged as shown in FIG. 2A , so the overall effective phase difference of the liquid crystal layer 500 is 0, and the transmissive region T and the reflective region R at this time are both in a dark state. However, when the transmissive region T and the reflective region R are to be converted from the dark state to the brightest state, the voltage difference between the transmissive electrode 402 and the common electrode 302 provides a voltage perpendicular to the active device array substrate 400 in this embodiment. The electric field on the surface is on the liquid crystal layer 500 in the penetrating region T. The vertical electric field can make the liquid crystal molecules align as shown on the left side in FIG. 2B , and make the effective phase difference in the penetrating region T be λ/2.

Since the penetrating electrode 402 is not electrically connected to the reflective plate 404 , the electric field on the reflective region R is caused by the penetrating electrode 402 and the auxiliary electrode 304 . In this embodiment, the voltage difference between the penetrating electrode 402 and the auxiliary electrode 304 provides an oblique electric field at a specific angle to the surface of the active device array substrate 400 to the liquid crystal layer 500 in the reflective region R. The electric field can make the liquid crystal molecules align as shown in the right side of FIG. 2B , and make the effective phase difference in the reflective region R be λ/4.

It can be seen from the above that the phase difference change in the penetrating region T of this embodiment is (λ/2-0)=λ/2, which meets the requirement that the phase difference change is ±λ/2; while the phase difference change in the reflection region R (λ/4-0)=λ/4, which satisfies the requirement that the phase difference change is ±λ/4, so the best light utilization efficiency can be achieved in the transmissive region T and the reflective region R at the same time.

FIG. 3 is a schematic layout diagram of a transflective liquid crystal display according to a first embodiment of the present invention. Please refer to FIG. 3 , a plurality of scanning wirings 410 and a plurality of data wirings 412 are arranged on the active device array substrate, and a pixel area 420 is formed between adjacent scanning wirings 410 and adjacent data wirings 412 . An active device 414 , a penetrating electrode 402 and a reflective plate 404 are disposed on the pixel area 420 . Wherein, the active element 414 is, for example, a thin film transistor, a diode, etc., which can be driven and switched through the scanning wiring 410 and the data wiring 412, and the penetrating electrode 402 is arranged on a part of the pixel area 420 to form a penetrating Through the area T, and the reflective plate 404 is also disposed on the pixel area 420 to form a reflective area R.

Also referring to FIG. 3, the transmissive electrode 402 is not electrically connected to a reflector 404, so the liquid crystal molecules above the reflector 404 (located in the reflective region R) are formed between the transmissive electrode 402 and the auxiliary electrode 304. The liquid crystal molecules above the penetrating electrode 402 (located in the penetrating region T) are driven by the vertical electric field between the penetrating electrode 402 and the common electrode 302 .

second embodiment

4A and 4B are schematic cross-sectional views of a transflective liquid crystal display according to a second embodiment of the present invention. Please refer to FIG. 4A and FIG. 4B at the same time. Those skilled in the art should know that the reflection plate 404 in the first embodiment can also be arranged on the active device array substrate 400 in other ways. This embodiment proposes another implementation state. Such a design is to dispose a reflector 416 outside the active device array substrate 400. The reflector 416 also has the effect of reflecting light sources (front light source, external light source).

FIG. 5 is a schematic layout diagram of a transflective liquid crystal display according to a second embodiment of the present invention. Please refer to FIG. 5 , a plurality of scanning wirings 410 and a plurality of data wirings 412 are arranged on the active device array substrate, and a pixel area 420 is formed between adjacent scanning wirings 410 and adjacent data wirings 412 . An active device 414 and a penetrating electrode 402 are disposed on the pixel area 420 . Wherein, the active element 414 is, for example, a thin film transistor, a diode, etc., which can be driven and switched through the scanning wiring 410 and the data wiring 412, and the penetrating electrode 402 is arranged on a part of the pixel area 420 to form a penetrating The transmissive area T, and the part outside the transmissive area T is regarded as the reflective area R.

Please also refer to FIG. 5. In this embodiment, the liquid crystal molecules above the reflective region R are driven by the oblique electric field between the transmissive electrode 402 and the auxiliary electrode 304, while the liquid crystal molecules above the transmissive region T are driven by the transmissive electrode 402 and the auxiliary electrode 304. Driven by a vertical electric field between the formula electrode 402 and the common electrode 302 .

third embodiment

6A and 6B are schematic cross-sectional views of a transflective liquid crystal display according to a third embodiment of the present invention. Referring to FIG. 6A and FIG. 6B , in this embodiment, the transflective liquid crystal display is mainly composed of an active element array substrate 400 , a pair of facing substrates 300 and a liquid crystal layer 500 . Wherein, the active device array substrate 400 has a plurality of pixel regions, and each pixel region is provided with an active device (not shown), a reflective electrode 430 and an auxiliary electrode 418 . Wherein, the active device (not shown) and the reflective electrode 430 are disposed on a part of the pixel area to form a reflective area R, and the pixel area outside the reflective area R can be regarded as a transmissive area T. A plurality of common electrodes 302 are arranged on the opposite substrate 300 . Wherein, the common electrode 302 is located above the reflective electrode 430 . In addition, the liquid crystal layer 500 is disposed between the active device array substrate 400 and the opposite substrate 300 .

This embodiment is similar to the first embodiment. In the first embodiment, the auxiliary electrode 304 is disposed on the opposite substrate 300, and the liquid crystal molecules above the reflective region R are oblique formed by the auxiliary electrode 304 and the transmissive electrode 402. In this embodiment, the auxiliary electrode 418 is disposed on the penetrating region T of the active device array substrate 400, so the liquid crystal molecules above the penetrating region T are formed by the reflective electrode 430 and the auxiliary electrode 418. Driven by the formed transverse electric field. In addition, in this embodiment, optical films such as the first retarder 306 and the upper polarizer 308 are arranged on the outside of the opposite substrate 300, and the second retarder 406 and the lower polarizer 408 are arranged on the outside of the active element array substrate 400, for example. and other optical films. Wherein, the first retarder 306 has, for example, a phase delay effect of λ/2, and the second retarder 406 has, for example, a phase delay effect of λ/4.

The liquid crystal layer 500 used in this embodiment is, for example, a positive liquid crystal with hybrid alignment or oblique alignment, and the fast axis of the liquid crystal molecules is parallel to the direction of the electric field provided. When no voltage is applied, the liquid crystal molecules will be arranged as shown in FIG. 6A , so the overall effective phase difference of the liquid crystal layer 500 is λ/4, and the transmissive region T and the reflective region R are both in a dark state. However, when the transmissive region T and the reflective region R are to be converted from the dark state to the brightest state, in this embodiment, the transreflective electrode 430 and the common electrode 302 provide an electric field perpendicular to the surface of the active device array substrate 400 to reflect On the liquid crystal layer 500 in the region R, the vertical electric field can make the liquid crystal molecules align as shown on the left side in FIG. 6B , and make the effective phase difference in the penetrating region T be zero.

In this embodiment, the reflective electrode 430 and the auxiliary electrode 418 provide a transverse electric field approximately parallel to the surface of the active element array substrate 400 to the liquid crystal layer 500 in the penetrating region T, and the transverse electric field can make the liquid crystal molecules arrange as shown in the figure 6B, and make the effective phase difference on the penetrating region T be 3λ/4.

It can be seen from the above that the phase difference change in the penetrating region T of this embodiment is (3λ/4-λ/4)=-λ/2, which meets the requirement that the phase difference change is ±λ/2; while the reflection region R The phase difference change is (0-λ/4)=-λ/4, which meets the requirement that the phase difference change is ±λ/4, so the best light utilization efficiency can be achieved in the penetrating area T and the reflecting area R at the same time .

FIG. 7 is a schematic layout diagram of a transflective liquid crystal display according to a third embodiment of the present invention. Please refer to FIG. 7. In this embodiment, the liquid crystal molecules above the reflective region R are driven by the vertical electric field between the reflective electrode 430 and the common electrode 302, and the liquid crystal molecules above the transmissive region T are driven by the reflective electrode 430 and the common electrode 302. Lateral electric field driving between the auxiliary electrodes 418 .

In the above-mentioned embodiments of the present invention, the relative position of the transmissive electrode, the reflective electrode, the common electrode and the auxiliary electrode is mainly used to provide different electric field directions and intensities, so that the transmissive region T and the reflective region R The effective phase difference of the upper liquid crystal molecules is different, which also optimizes the light utilization efficiency of the transmissive region T and the reflective region R.

In summary, the transflective liquid crystal display of the present invention has at least the following advantages:

1. The semi-transmissive semi-reflective liquid crystal display of the present invention can control the effective phase difference change in the reflective area and the transmissive area by the direction of the applied electric field, so that the light utilization efficiency of the reflective area and the transmissive area can be optimized .

2. In the third embodiment of the present invention, the transflective liquid crystal display does not need to make transmissive electrodes in the manufacturing process, and can simultaneously drive the liquid crystal molecules above the transmissive region T and the reflective region R, so there is no need to There will be problems such as complex manufacturing process.

3. The semi-transmissive semi-reflective liquid crystal display of the present invention only needs to modify the pattern of the transmissive electrode on the active element array substrate and the pattern of the common electrode on the opposite substrate, so its manufacturing process is different from the existing manufacturing process. compatible.

Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the appended patent application.

Claims (10)

1. A transflective liquid crystal display, characterized in that it at least comprises: An active element array substrate has a plurality of scanning wirings and a plurality of data wirings on it, and two adjacent scanning wirings and data wirings form a pixel area, wherein the pixel area has an active element, a A penetrating electrode and a reflection plate, the active element is driven by the scanning wiring and the data wiring, the penetrating electrode is arranged in part of the pixel area to form a penetrating area, and the reflecting plate is The pixel area is arranged outside the penetrating area to form a reflective area, and the penetrating electrode is electrically connected to the active element; A pair of facing substrates, on which a plurality of common electrodes and a plurality of auxiliary electrodes are disposed, wherein the common electrodes are located on the transmissive electrodes, and the auxiliary electrodes are located on the reflective plate; A liquid crystal layer is formed between the active element array substrate and the opposite substrate, and has the same thickness in the penetrating region and the reflective region, wherein a first layer is disposed between the liquid crystal layer and the active element array substrate an alignment film, and a second alignment film is also arranged between the liquid crystal layer and the opposite substrate; An upper polarizer is arranged on the outside of the active element array substrate; and The lower polarizer is arranged on the outer side of the opposite substrate. 2. The transflective liquid crystal display according to claim 1, wherein the active device array substrate is one of a thin film transistor array substrate and a diode array substrate. 3. The transflective liquid crystal display according to claim 1, wherein a plurality of color filter films are further arranged on the opposite substrate, and the positions of the color filter films are corresponding to the positions of the color filter films. some pixel area. 4. The transflective liquid crystal display according to claim 1, further comprising a first retarder disposed between the upper polarizer and the active element array substrate . 5. The transflective liquid crystal display according to claim 1, further comprising a second retarder disposed between the lower polarizer and the active element array substrate . 6. A transflective liquid crystal display, characterized in that it at least includes: An active element array substrate has a plurality of scanning wirings and a plurality of data wirings on it, and two adjacent scanning wirings and data wirings form a pixel area, wherein the pixel area has an active element and a a penetrating electrode, the active element is driven by the scanning wiring and the data wiring, the penetrating electrode is arranged on the pixel area to form a penetrating area, and is electrically connected to the active element; A pair of facing substrates, on which a plurality of common electrodes and a plurality of auxiliary electrodes are disposed, wherein the common electrodes are located on the penetrating electrodes, and the auxiliary electrodes are located in areas other than the penetrating electrodes; A reflection plate is arranged on the outside of the active device array substrate to form a reflection area; and A liquid crystal layer is arranged between the active element array substrate and the opposite substrate, and has the same thickness in the penetrating region and the reflective region, wherein a first layer is arranged between the liquid crystal layer and the active element array substrate An alignment film, and a second alignment film is arranged between the liquid crystal layer and the opposite substrate. 7. The transflective liquid crystal display according to claim 6, wherein the active device array substrate is one of a thin film transistor array substrate and a diode array substrate. 8. The transflective liquid crystal display as claimed in claim 6, wherein a plurality of color filter films are further arranged on the opposite substrate, and the positions of the color filter films are corresponding to the positions of the color filter films. some pixel area. 9. The transflective liquid crystal display according to claim 6, further comprising: An upper polarizer is arranged on the outside of the active element array substrate; and The lower polarizer is arranged on the outer side of the opposite substrate. 10. The transflective liquid crystal display according to claim 9, further comprising: A first retarder, the first retarder is disposed between the upper polarizer and the active element array substrate: and A second retarder, the second retarder is arranged between the lower polarizer and the active element array substrate.

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