CN113741087A - Double-sided display panel - Google Patents

Double-sided display panel Download PDF

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Publication number
CN113741087A
CN113741087A CN202111014941.7A CN202111014941A CN113741087A CN 113741087 A CN113741087 A CN 113741087A CN 202111014941 A CN202111014941 A CN 202111014941A CN 113741087 A CN113741087 A CN 113741087A
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sub
color
layer
pixels
display panel
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Granted
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CN202111014941.7A
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Chinese (zh)
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CN113741087B (en
Inventor
陈伟
郑浩旋
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HKC Co Ltd
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HKC Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The application discloses a double-sided display panel, which comprises an array substrate, a color film substrate, a liquid crystal layer and a light source assembly, wherein the liquid crystal layer is arranged between the array substrate and the color film substrate; the array substrate comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, and each sub-pixel comprises a transmission area and a reflection area; a reflection layer is arranged on the color film substrate corresponding to the reflection area of each sub-pixel; in at least one row of the sub-pixels, the transmission areas of all the sub-pixels are arranged in a row to form a transmission area row; the reflecting areas of all the sub-pixels are arranged in a row to form a reflecting area row; the first diffusion strips are arranged corresponding to the transmission area rows, the transmission area rows are covered by the first diffusion strips, and the areas of the lamp source assemblies corresponding to the reflection areas are transparent. The transmission area and the reflection area of the sub-pixels are arranged in a row or a column, and the diffusion strips are arranged only for the transmission area, so that light mixing of the reflection area is reduced, and the display effect is improved.

Description

Double-sided display panel
Technical Field
The application relates to the technical field of display, in particular to a double-sided display panel.
Background
At present, display panels on the market mostly display on one side, and in many occasions, for example, in advertisement broadcasting facilities in public places such as digital signage, electronic communication equipment, cash register facilities, window inquiry facilities, exhibition halls and the like, two persons are often required to watch displayed pictures from the front and back sides of the display panel at the same time.
In can be more even diffusion advance display panel for the light source on the backlight unit, can set up the big diffuser plate of a monoblock between display panel and backlight unit usually, because the demonstration of one of them one side of two-sided demonstration need return formation picture once more through with light, but the light of multiple colour can appear through the light that the color resistance layer reflects back once more, when the diffuser plate is passed through again, thereby form mixed light easily and influence the display picture.
Disclosure of Invention
The application aims to provide a double-sided display panel and aims to solve the problem that the display effect of the double-sided display panel is poor due to light mixing of a reflection area.
The application discloses a double-sided display panel, which comprises an array substrate, a color film substrate, a liquid crystal layer and a light source assembly, wherein the liquid crystal layer is arranged between the array substrate and the color film substrate, and the light source assembly is arranged on one side of the array substrate, which is far away from the color film substrate; the array substrate comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels, and each sub-pixel comprises a transmission area and a reflection area; a reflection layer is arranged on the color film substrate and corresponds to the reflection area of each sub-pixel; in any column or any row of the sub-pixels, the transmission regions of all the sub-pixels are arranged in a column or a row to form a transmission region column or a transmission region row; the reflecting regions of all the sub-pixels are arranged into a row or a column to form a reflecting region row or a reflecting region column; and a first diffusion strip is arranged corresponding to each transmission region column or row, the first diffusion strip is arranged between the array substrate and the lamp source assembly, and the region of the lamp source assembly corresponding to the reflection region is transparent.
Optionally, the dual-sided display panel includes a first fixing plate, and the plurality of first diffusion strips are vertically connected to the first fixing plate to form a first diffusion structure.
Optionally, the color film substrate includes an upper transparent electrode layer, a color resistance layer, and an upper glass substrate layer, which are sequentially stacked; color resistors are arranged in the color resistor layer and corresponding to the sub-pixels, the color resistors are arranged in rows or columns corresponding to the sub-pixels, and the color resistors in the sub-pixels in the same row or the sub-pixels in the same column have the same color.
Optionally, the color resistance layer includes a black matrix and a color resistance, and the color resistance includes a first color resistance block and a second color resistance block; the first color block is arranged corresponding to the transmission area of the sub-pixel, the second color block is arranged corresponding to the reflection area of the sub-pixel, and the reflection layer is arranged between the second color block and the upper glass substrate layer; the black matrix is arranged between the first color block and the second color block, and black matrices are arranged on two sides of the color block.
Optionally, the width of the first diffusion strip is greater than or equal to the width of the sub-pixel transmission region, and an orthographic projection of a center line of the transmission region of the sub-pixel on the first diffusion strip coincides with the center line of the first diffusion strip.
Optionally, the first diffusion strip is made of a polyvinyl chloride material or glass, and the thickness of the first diffusion strip is greater than or equal to 0.5 mm and less than or equal to 2 mm.
Optionally, the first diffusion strip is bonded to one side of the array substrate, which is far away from the color film substrate, through an optical cement.
Optionally, the array substrate includes a lower glass substrate layer, a thin film transistor layer, and a pixel electrode layer, which are stacked in sequence, the thin film transistor and the pixel electrode layer are sequentially disposed on the lower glass substrate layer, and the pixel electrode of the sub-pixel transmission region and the pixel electrode of the reflection region are disposed on the same layer and connected to each other.
Optionally, the light source assembly comprises a lamp panel and a light source, and the light source is arranged on one side, close to the array substrate, of the lamp panel.
Optionally, the light source is mini-LEDs, and the mini-LEDs are distributed on the lamp panel in an array manner.
The sub-pixels are optimally arranged, in the same column of sub-pixels, the transmission areas and the reflection areas of the sub-pixels can be arranged into corresponding columns or rows, and the transmission areas which are correspondingly arranged into the columns or the rows are provided with the first diffusion strips for light diffusion, so that the display surface of the transmission areas is more uniform, the reflection areas are not influenced by the diffusion strips, and the light mixing of the reflection areas is reduced, thereby improving the display effect of two surfaces of the double-sided display panel; in addition, the transmission region and the reflection region of the sub-pixel are arranged in a row or a line, so that when the diffusion strips are arranged, the diffusion strips in a row or a column form can be correspondingly arranged, the number of the diffusion strips can be reduced, the diffusion strips are easy and convenient to install, and the installation efficiency of the diffusion strips is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of a dual-sided display panel in a first embodiment of the present application;
fig. 2 is an equivalent circuit schematic diagram of a dual-sided display panel according to a first embodiment of the present application;
FIG. 3 is a schematic diagram of an equivalent circuit of a dual-sided display panel according to a second embodiment of the present application;
FIG. 4 is a schematic structural diagram of a dual-sided display panel according to a third embodiment of the present application;
FIG. 5 is a schematic structural diagram of a dual-sided display panel according to a fourth embodiment of the present application;
fig. 6 is a schematic view of a first diffusion structure in a fifth embodiment of the present application.
100, a double-sided display panel; 200. an array substrate; 210. a lower glass substrate layer; 220. a thin film transistor; 230. a pixel electrode layer; 300. a color film substrate; 310. an upper transparent electrode layer; 320. a color resist layer; 321. color resistance; 322. a black matrix; 323. a first color block; 324. a second color resist block; 330. an upper glass substrate layer; 340. a reflective layer; 400. a liquid crystal layer; 500. a light source assembly; 510. a light source; 520. a lamp panel; 530. a transparent region; 600. a first spreading bar; 700. a sub-pixel; 710. a reflective region; 711. a row of reflective regions; 712. a reflective area row; 720. a transmissive region; 721. a transmissive area column; 722. a transmissive region row; 800. a first fixing plate; 900. a first diffusion structure.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The present application is described in detail below with reference to the figures and alternative embodiments.
Fig. 1 is a schematic structural diagram of a double-sided display panel according to a first embodiment of the present application; fig. 2 is an equivalent circuit schematic diagram of a dual-sided display panel according to a first embodiment of the present application; as shown in fig. 1 to fig. 2, as a first embodiment of the present application, a double-sided display panel 100 is disclosed, where the double-sided display panel 100 includes an array substrate 200, a color film substrate 300, a liquid crystal layer 400 and a light source assembly 500, the liquid crystal layer 400 is disposed between the array substrate 200 and the color film substrate 300, and the light source assembly 500 is disposed on a side of the array substrate 200 away from the color film substrate 300; the array substrate 200 includes a plurality of pixel units, each pixel unit including a plurality of sub-pixels 700; each of the sub-pixels 700 is connected and controlled by a thin film transistor 220, and each of the sub-pixels 700 includes a transmissive region 720 and a reflective region 710; the reflection region 710 of each sub-pixel 700 on the color filter substrate 300 is provided with a reflection layer 340, the reflection layer 340 is used for reflecting light, light emitted by the lamp source assembly 500 can directly pass through the transmission region 720, and in the reflection region 710, the light emitted by the lamp source assembly 500 passes through the liquid crystal layer 400, is finally reflected by the reflection layer 340, and passes through the liquid crystal layer 400 again to be reflected.
In any column of the sub-pixels 700, the transmissive regions 720 of all the sub-pixels 700 are arranged in a column to form a transmissive region column 721; all the reflective regions 710 of the sub-pixels 700 are aligned to form a reflective region array 711; a first diffusion strip 600 is disposed corresponding to each of the transmissive region arrays 721, the first diffusion strip 600 is disposed between the array substrate 200 and the lamp source assembly 500, and an area of the lamp source assembly 500 corresponding to the reflective region 710 is transparent.
In this embodiment, each column of sub-pixels 700 in the dual-sided display panel 100 is optimally arranged, that is, the transmission region 720 and the reflection region 710 of the sub-pixels 700 are arranged into the corresponding transmission region column 721 and reflection region column 711, and the corresponding transmission region column 721 is provided with the first diffusion strip 600 for light diffusion, so that the display surface of the transmission region 720 is more uniform, and the first diffusion strip 600 is only arranged for the transmission region 720, and the reflection region 710 is not provided with the diffusion strip, so that the light reflected by the reflection region 710 through the reflection layer does not need to pass through the diffusion strip, and the reflection region 710 is not affected by the diffusion strip, thereby reducing the light mixing of the reflection region 710 and improving the display effect of the two sides of the dual-sided display panel 100; and, through the setting that becomes row to sub-pixel's transmission district and reflection zone for when setting up the diffusion strip, can correspond the diffusion strip that sets up the form of row, this can reduce the quantity of diffusion strip, makes the simple installation of diffusion strip, promotes diffusion strip installation effectiveness.
Generally, the light source assembly 500 includes a light panel 520 and a light source 510, the light source 510 is disposed on one side of the light panel 520 close to the array substrate 200, and regarding the manufacturing of the light panel 520, generally, for convenience of manufacturing, a whole light panel 520 may be manufactured to be transparent, or may be semitransparent, and may be selected according to the intensity of light reflection; the display panel can also be manufactured according to different regions corresponding to the lamp panel 520, for example, the region of the lamp panel 520 corresponding to the transmission region 720 can be opaque or semi-opaque, so that the other side of the display screen in the transmission region 720 can be prevented from being affected by natural light; the region of the lamp panel 520 corresponding to the reflective region 710 may be transparent or translucent.
When selecting luminous lamp source 510, generally select to be the mini-LED, the mini LED light source includes a plurality of mini LED lamp pearls, and a mini LED lamp pearl corresponds a plurality of sub-pixel 700 settings, the mini-LED be array distribution in on the lamp plate 520, because the scope of mini LED's light is limited, also can further avoid mixing light between the sub-pixel 700.
FIG. 3 is a schematic diagram of an equivalent circuit of a dual-sided display panel according to a second embodiment of the present application; as a second embodiment of the present application, unlike the first embodiment, as shown in fig. 3, in any row of the sub-pixels 700, the transmissive regions 720 of all the sub-pixels 700 are arranged in a row to form a transmissive region row 722; all the reflective regions 710 of the sub-pixels 700 are aligned to form a reflective region row 712; the first diffusion strips 600 are arranged corresponding to each transmission region row 722, and the transmission regions and the reflection regions of the sub-pixels are arranged in rows, so that when the diffusion strips are arranged, the diffusion strips in a row form can be correspondingly arranged, the number of the diffusion strips can be reduced, the diffusion strips are easy and convenient to install, the installation efficiency of the diffusion strips is improved, and the rows or the columns can be selected according to the pixel arrangement of the double-sided display panel 100 and the effective utilization rate of the substrate.
FIG. 4 is a schematic structural diagram of a dual-sided display panel according to a third embodiment of the present application; as shown in fig. 4, as a third embodiment of the present application, which is a further supplement to and a refinement of the first embodiment or the second embodiment, the color filter substrate 300 includes an upper transparent electrode layer 310, a color resist layer 320, and an upper glass substrate layer 330, which are sequentially stacked; in this embodiment, the upper transparent electrode layer 310, the color resistance layer 320, and the upper glass substrate layer 330 are sequentially disposed from bottom to top; color resistors 321 are arranged in the color resistance layer 320 and corresponding to the sub-pixels 700, the color resistors 321 are arranged in a row or a column corresponding to the sub-pixels 700, the color of the color resistors 321 in the same row of sub-pixels 700 or the same row of sub-pixels 700 is the same, and light formed by the color resistors with the same color is reflected to the first diffusion strip, so that mixed light with different colors is avoided; the color resistance layer 320 includes a black matrix 322 and a color resistance 321, the color resistance 321 includes a first color resistance block 323 and a second color resistance block 324, the first color resistance block 323 is disposed corresponding to the transmission region 720 of the sub-pixel 700, the second color resistance block 324 is disposed corresponding to the reflection region 710 of the sub-pixel 700, the second color resistance block 324 is disposed on one side of the reflection layer close to the liquid crystal layer 400, the thickness value of the first color resistance block 323 is equal to the thickness value of the second color resistance block 324 plus the thickness value of the reflection layer, and the thickness uniformity of the cell thickness of the display panel is ensured.
The black matrix 322 is disposed between the first color block 323 and the second color block 324, and black matrices are disposed on two sides of the color block (i.e. in fig. 4: black matrices are disposed on the left side of the first color block 323 and the right side of the second color block 324), the black matrices can be used as alignment marks for installing diffusion strips, and can absorb light on two sides of the reflective layer, so as to reduce the light mixture of the transmissive region 720 caused by the incident light of the reflective layer to the transmissive region 720, and the light passing through the first color block 323 of the transmissive region 720 can make one side far from the light source 510 display a first picture; the light reaching the reflective region 710 passes through the second color block 324 of the reflective region 710, then the reflective layer 350 returns the light to the second color block 324, and then the light passes through the array substrate 200 via the liquid crystal layer 400, so that a second picture is displayed on one side of the light source 510, thereby realizing the double-sided display of the display panel.
Correspondingly, the array substrate 200 further includes a lower glass substrate layer 210, the thin film transistor 220 and a pixel electrode layer 230 which are sequentially stacked, the thin film transistor 220 and the pixel electrode layer 230 are sequentially disposed on the lower glass substrate layer 210 from bottom to top, a pixel electrode of a transmission region 720 of the sub-pixel 700 and a pixel electrode of a reflection region 710 are disposed on the same layer and connected to each other, the reflection region 710 and the transmission region 720 of the sub-pixel 700 are connected to the same thin film transistor 220, and the reflection region 710 and the transmission region 720 are controlled by the same thin film transistor 220; the reflective area 710 and the transmissive area 720 are connected to the same data line, and the same data signal input is input through the same data line, so that the same picture can be displayed on both sides of the dual display panel 100.
FIG. 5 is a schematic structural diagram of a dual-sided display panel according to a fourth embodiment of the present application; as shown in fig. 5, a fourth embodiment of the present application is a further addition to or refinement of any of the above embodiments. In this embodiment, the thickness h, the width d, and the material of the first diffusion strip 600 are described, specifically, the first diffusion strip is made of polyvinyl chloride material or glass with good diffusion effect, so that the thickness of the diffusion plate is relatively thin, and the thickness of the diffusion plate is prevented from being too thick to affect the thickness of the whole double-sided display panel; generally, the thickness h of the first diffusion strip 600 is greater than or equal to 0.5 mm and less than or equal to 2 mm, if the thickness h is less than 0.5 mm, the diffusion effect will be significantly reduced, which results in poor diffusion effect and poor image display effect, and if the thickness h is greater than 2 mm, the diffusion effect is not significantly improved, and the overall thickness of the dual-sided display panel is also affected, so the thickness of the first diffusion strip is generally controlled between 0.5 mm and 2 mm.
The width d of the first diffusion strip 600 is greater than or equal to the width of the transmission area 720 of the sub-pixel 700, the center line of the transmission area 720 of the sub-pixel 700 coincides with the orthographic projection of the first diffusion strip 600 and the center line of the first diffusion strip 600, so that the first diffusion strip is ensured to be over against the transmission area, most of light emitted by the light source can enter the transmission area after passing through the diffusion plate, the utilization rate of the light is improved, and the display picture of the transmission surface is improved; and the first diffusion strip completely covers the transmission region 720, but there is no diffusion plate in the reflection region 710, that is, the maximum width of the first diffusion strip is the sum of the width of the first color resist block 323 and half of the black matrix 322 between the first color resist block 323 and the second color resist block 324, by further defining the width and the sum of the positions of the first diffusion strip, the light rays in the reflection region caused by the edge of the diffusion strip extending to the reflection region are further reduced to be reflected back by the reflection layer 340 to cause light mixing.
In each of the sub-pixels 700, the area of the transmissive region 720 and the area of the reflective region 710 of the sub-pixel 700 are equal; of course, the area of the transmission region 720 may be larger than the area of the reflection region 710, a ratio of the transmission region 720 to the reflection region 710 may be 7:3 or 6:4, the ratio may be manufactured according to actual use conditions in the market and sold in the factory, or the area of the reflection region may be larger than the area of the transmission region, and in order to ensure stability of the first diffusion stripe on the array substrate, the first diffusion stripe 600 is usually bonded to the side of the array substrate 200 away from the color filter substrate 300 by an optical adhesive, so as to prevent the diffusion stripe from falling off.
FIG. 6 is a schematic view of a first diffusion structure in a fifth embodiment of the present application; as shown in fig. 6, as a fifth embodiment of the present application, mainly fixing the first diffusion strips of the above embodiments, so that the installation can be performed more conveniently and a lot of time can be saved, the dual-sided display panel 100 includes a first fixing plate 800, a plurality of the first diffusion strips 600 are vertically connected to the first fixing plate 800 to form a first diffusion structure 900, if the transmission regions and the reflection regions of the sub-pixels 700 are divided into left and right, all the transmission regions in each column of sub-pixels are arranged in a column to form a transmission region column, and the first diffusion strips corresponding to the transmission region column are vertically connected together by the first fixing plate 800, so that the installation is more convenient; if the transmission area and the reflection area of the sub-pixel are divided up and down, all the transmission areas are arranged in a line to form a transmission area line, each transmission area line is provided with one corresponding first diffusion strip 600, all the first diffusion strips 600 are connected together through the first fixing plate 800, and the vertical or horizontal first diffusion strips 600 are connected into a whole through one horizontal or longitudinal plate, namely the first fixing plate 800 connects the vertical or horizontal first diffusion strips 600 together, so that the first diffusion strips are connected into a whole.
It should be noted that the inventive concept of the present application can form many embodiments, but the present application has a limited space and cannot be listed one by one, so that, on the premise of no conflict, any combination between the above-described embodiments or technical features can form a new embodiment, and after the embodiments or technical features are combined, the original technical effect will be enhanced.
The technical scheme of the application can be widely applied to various display panels, such as a TN (Twisted Nematic) display panel, an IPS (In-Plane Switching) display panel, a VA (Vertical Alignment) display panel, and an MVA (Multi-Domain Vertical Alignment) display panel.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.

Claims (10)

1. A double-sided display panel comprises an array substrate, a color film substrate, a liquid crystal layer and a light source assembly, wherein the liquid crystal layer is arranged between the array substrate and the color film substrate, and the light source assembly is arranged on one side of the array substrate, which is far away from the color film substrate; the array substrate comprises a plurality of pixel units, and each pixel unit comprises a plurality of sub-pixels; it is characterized in that the preparation method is characterized in that,
each of the sub-pixels includes a transmissive region and a reflective region; a reflection layer is arranged on the color film substrate and corresponds to the reflection area of each sub-pixel;
in any column or any row of the sub-pixels, the transmission regions of all the sub-pixels are arranged in a column or a row to form a transmission region column or a transmission region row; the reflecting regions of all the sub-pixels are arranged into a row or a column to form a reflecting region row or a reflecting region column;
and a first diffusion strip is arranged corresponding to each transmission region column or row, the first diffusion strip is arranged between the array substrate and the lamp source assembly, and the region of the lamp source assembly corresponding to the reflection region is transparent.
2. The dual-sided display panel of claim 1, wherein the dual-sided display panel includes a first fixing plate, and a plurality of the first diffusion stripes are perpendicularly connected to the first fixing plate to form a first diffusion structure.
3. The dual-sided display panel of claim 1, wherein the color film substrate comprises an upper transparent electrode layer, a color resistance layer, and an upper glass substrate layer, which are sequentially stacked; color resistors are arranged in the color resistor layer and corresponding to the sub-pixels, the color resistors are arranged in rows or columns corresponding to the sub-pixels, and the color resistors in the sub-pixels in the same row or the sub-pixels in the same column have the same color.
4. The dual sided display panel of claim 3, wherein the color resist layer comprises a black matrix and a color resist, the color resist comprises a first color resist block and a second color resist block, the first color resist block is disposed corresponding to the transmissive region of the sub-pixel, the second color resist block is disposed corresponding to the reflective region of the sub-pixel, and the reflective layer is disposed between the second color resist block and the upper glass substrate layer; the black matrix is arranged between the first color block and the second color block, and black matrices are arranged on two sides of the color block.
5. The dual-sided display panel of claim 1, wherein the width of the first diffusion strip is equal to or greater than the width of the sub-pixel transmission region, and an orthographic projection of a center line of the transmission region of the sub-pixel on the first diffusion strip coincides with the center line of the first diffusion strip.
6. The dual-sided display panel of claim 1, wherein the first diffusion strip is made of polyvinyl chloride material or glass, and a thickness of the first diffusion strip is greater than or equal to 0.5 mm and less than or equal to 2 mm.
7. The dual-sided display panel of claim 1, wherein the first diffusion stripe is bonded to a side of the array substrate away from the color filter substrate by an optical adhesive.
8. The dual-sided display panel of claim 1, wherein the array substrate comprises a lower glass substrate layer, a thin film transistor layer and a pixel electrode layer, which are sequentially stacked, the thin film transistor and the pixel electrode layer are sequentially disposed on the lower glass substrate layer, and the pixel electrode of the sub-pixel transmission region and the pixel electrode of the reflection region are disposed on the same layer and connected to each other.
9. The dual sided display panel of claim 1, wherein the light source assembly includes a lamp panel and a light source disposed on a side of the lamp panel adjacent to the array substrate.
10. The dual-sided display panel of claim 9, wherein the light sources are mini-LEDs, and the mini-LEDs are distributed on the lamp panel in an array.
CN202111014941.7A 2021-08-31 2021-08-31 Double-sided display panel Active CN113741087B (en)

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CN113741087B CN113741087B (en) 2022-09-02

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