CN112558347A - Reflective liquid crystal display panel and display device - Google Patents
Reflective liquid crystal display panel and display device Download PDFInfo
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- CN112558347A CN112558347A CN202011417178.8A CN202011417178A CN112558347A CN 112558347 A CN112558347 A CN 112558347A CN 202011417178 A CN202011417178 A CN 202011417178A CN 112558347 A CN112558347 A CN 112558347A
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- liquid crystal
- display panel
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- crystal display
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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
- G02F1/133553—Reflecting elements
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Liquid Crystal (AREA)
Abstract
The present application provides a reflective liquid crystal display panel and a display device, the reflective liquid crystal display panel includes: the liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer and a reflecting layer, wherein the first substrate and the second substrate are oppositely arranged, the liquid crystal layer is arranged between the first substrate and the second substrate, the reflecting layer is arranged on one side of the first substrate close to the liquid crystal layer, and the surface of the reflecting layer on one side close to the liquid crystal layer is in a wavy shape; the reflective liquid crystal display panel of the application utilizes an ambient light source and a reflective layer in the display panel to replace a traditional backlight component, and the liquid crystal display panel is lightened by the reflected light of ambient light on the reflective layer. In addition, the reflective liquid crystal display panel does not need to be provided with a backlight component, so that the reflective liquid crystal display panel has the characteristics of low power consumption, low cost, protection of both eyes of a user and thinner appearance.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a reflective liquid crystal display device and a display device.
Background
In the digital age, in more and more occasions, the display device replaces the traditional information carriers such as paper and the like, and becomes an indispensable part of daily life and work of modern people. The display panel can be classified into various categories as a key component of the display device, and the liquid crystal display panel is most widely applied at present.
Most of the liquid crystal display devices on the market need to provide a backlight unit to light the liquid crystal display panel. However, in a strong light environment, the liquid crystal display panel needs to increase the brightness of the backlight source to ensure normal display, but increasing the brightness of the backlight source arbitrarily will undoubtedly increase the power consumption of the display device, and the blue light in the 400-450 nm band in the backlight source will also damage both eyes of the user. Meanwhile, the backlight source component increases the thickness and weight of the display panel and the display device, and cannot meet the requirement of users for lighter and thinner display devices.
In view of this, it is an important issue for relevant technicians and researchers to solve the problems in the prior art that increasing the backlight brightness increases the power consumption of the display device and that the blue light in the 400-450 nm band in the backlight damages both eyes of the user.
Disclosure of Invention
The embodiment of the application provides a reflective liquid crystal display panel and a display device, which are used for solving the problems that the power consumption of a display device is increased by improving the brightness of a backlight source in the prior art.
According to a first aspect of the present application, embodiments of the present application provide a reflective liquid crystal display panel, comprising: the liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer and a reflecting layer, wherein the first substrate and the second substrate are arranged oppositely, the liquid crystal layer is arranged between the first substrate and the second substrate, the first substrate is close to the reflecting layer on one side of the liquid crystal layer, and the surface of the reflecting layer on one side close to the liquid crystal layer is in a wavy shape.
Optionally, the material of the reflective layer is metal, and is used for reflecting ambient light.
Optionally, the undulation is one of wavy, sine-shaped, cosine-shaped.
Optionally, the first substrate sequentially includes a first substrate layer, a thin film transistor layer, and a first electrode layer along a direction close to the liquid crystal layer.
Optionally, the second substrate sequentially includes a second substrate layer, a color filter layer, a second electrode layer, and a black matrix along a direction close to the liquid crystal layer.
Optionally, the color filter layer includes a plurality of color blocks arranged at intervals.
Optionally, the second substrate further includes a planarization layer on a side close to the liquid crystal layer, and the planarization layer covers the plurality of color resist blocks.
Optionally, the plurality of color resist blocks includes a red color resist block, a green color resist block, and a blue color resist block.
Optionally, the black matrix is used for shielding gaps among the plurality of color blocking blocks.
According to a second aspect of the present application, embodiments of the present application further provide a display device including the reflective liquid crystal display panel as described above.
The liquid crystal display panel of the application utilizes an ambient light source and a reflective layer in the liquid crystal display panel to replace a traditional backlight component, and the liquid crystal display panel is lightened by reflected light of ambient light on the reflective layer. In addition, the reflective liquid crystal display panel does not need to be provided with a backlight component, so that the reflective liquid crystal display panel has the characteristics of low power consumption, low cost, protection of both eyes of a user and thinner appearance.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a film structure of a reflective liquid crystal display panel according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the described embodiments are merely a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Specifically, please refer to fig. 1, which is a schematic diagram of a film structure of a reflective liquid crystal display panel according to an embodiment of the present application.
As shown in fig. 1, the present embodiment provides a reflective liquid crystal display panel 10, which includes: the liquid crystal display panel includes a first substrate 100 and a second substrate 300 disposed opposite to each other, a liquid crystal layer 200 disposed between the first substrate 100 and the second substrate 300, and a reflective layer 400 disposed on a side of the first substrate 100 adjacent to the liquid crystal layer 200. Wherein the surface of the reflective layer 400 on the side close to the liquid crystal layer 200 is undulated.
Wherein, the undulation is one of wave shape, sine shape and cosine shape. In this embodiment, the surface of the reflective layer 400 is wavy. With this arrangement, ambient incident light is reflected at the undulating surface to help disperse the light exit path of the reflected light. In some embodiments, ambient incident light is diffusely reflected on the surface of the reflective layer 400 to generate multi-angle emergent light, thereby ensuring the contrast and viewing angle range of the reflective liquid crystal display panel, and further ensuring the product quality of the reflective liquid crystal display panel.
The reflective liquid crystal display panel 10 of the present application utilizes an ambient light source and the reflective layer 400 of the reflective liquid crystal display panel 10 to replace the conventional backlight component, and the liquid crystal display panel is lighted by the reflected light of the ambient light on the reflective layer 400. Since no backlight component is required, the reflective liquid crystal display panel 10 has the advantages of low power consumption, low cost, protection of both eyes of a user, and light and thin appearance.
Specifically, in the present embodiment, the first substrate 100 includes a first substrate layer 110, a thin-film transistor layer 120, and a first electrode layer 130, which are stacked.
Specifically, in the present embodiment, the second substrate 300 includes a second substrate 310, a color filter layer 320, a planarization layer 330, a second electrode layer 340, and a black matrix 350.
It should be noted that the thin film transistor layer 120 includes a transistor device and a plurality of insulating layers (not shown in the figure), when the display panel performs display, the first electrode layer 130 and the second electrode layer 340 may drive liquid crystal molecules in the liquid crystal layer 200 to deflect for performing a display function, and in addition, the reflective liquid crystal display panel 10 of this embodiment further includes conventional structural layers such as a polarizer, which may refer to a conventional process specifically, and will not be described herein again.
Specifically, in the present embodiment, the reflective layer 400 is disposed on a side of the first electrode layer 130 facing away from the first substrate layer 110, and is made of a non-transparent silver-containing alloy material, and the silver-containing alloy has a high reflectivity. The display panel is illuminated with reflected light of ambient light on the reflective layer 400 instead of the light source provided by conventional backlight components.
In the present embodiment, the color filter layer 320 includes a plurality of color resist blocks disposed at intervals. The color resist blocks include a red color resist block 321, a green color resist block 322, and a blue color resist block 323.
Specifically, in the present embodiment, the planarization layer 330 covers the plurality of color resist blocks.
Specifically, in the present embodiment, the black matrix 350 is used to shield gaps between the plurality of color resist blocks to prevent a light leakage problem or a color crosstalk problem between color resist blocks of different colors from occurring.
Referring to fig. 2, the present embodiment further provides a display device 20, and it should be noted that the display device 20 includes the reflective liquid crystal display panel 10, so that the display device 20 has all the features and advantages of the reflective liquid crystal display panel 10, which are not described herein again.
The reflective liquid crystal display panel of the application utilizes an ambient light source and a reflective layer in the display panel to replace a traditional backlight component, and the liquid crystal display panel is lightened by the reflected light of ambient light on the reflective layer. The reflective liquid crystal display panel does not need to be provided with a backlight component, so that the reflective liquid crystal display panel has the characteristics of low power consumption, low cost and double-eye protection, and is lighter and thinner.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing detailed description is directed to a reflective liquid crystal display panel and a display device provided in the embodiments of the present application, and specific examples are applied herein to illustrate the principles and implementations of the present application, and the description of the foregoing embodiments is only used to help understand the technical solutions and the core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A reflective liquid crystal display panel, comprising: the liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are oppositely arranged, and the liquid crystal layer is arranged between the first substrate and the second substrate; and
the reflecting layer is arranged on one side, close to the liquid crystal layer, of the first substrate;
wherein the surface of the reflective layer on the side close to the liquid crystal layer is undulated.
2. A reflective liquid crystal display panel according to claim 1, wherein the material of the reflective layer is metal.
3. A reflective liquid crystal display panel according to claim 2, wherein said undulation is one of a wave, sine, cosine.
4. A reflective liquid crystal display panel according to claim 1, wherein said first substrate comprises, in order in a direction close to said liquid crystal layer, a first substrate layer, a thin film transistor layer, and a first electrode layer.
5. A reflective liquid crystal display panel according to claim 1, wherein said second substrate comprises, in order in a direction close to said liquid crystal layer, a second substrate layer, a color filter layer, a planarization layer, a second electrode layer, and a black matrix.
6. The reflective liquid crystal display panel of claim 5, wherein the color filter layer comprises a plurality of color blocks disposed at intervals.
7. The reflective liquid crystal display panel according to claim 6, wherein the plurality of color resist blocks includes a red color resist block, a green color resist block, and a blue color resist block.
8. The reflective liquid crystal display panel according to claim 5, wherein the planarization layer covers the plurality of color resist blocks.
9. The reflective liquid crystal display panel according to claim 6, wherein the black matrix is for blocking a gap between the plurality of color resist blocks.
10. A display device characterized by comprising the reflective liquid crystal display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417178.8A CN112558347A (en) | 2020-12-04 | 2020-12-04 | Reflective liquid crystal display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417178.8A CN112558347A (en) | 2020-12-04 | 2020-12-04 | Reflective liquid crystal display panel and display device |
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| Publication Number | Publication Date |
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| CN112558347A true CN112558347A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011417178.8A Pending CN112558347A (en) | 2020-12-04 | 2020-12-04 | Reflective liquid crystal display panel and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126354A (en) * | 2021-04-09 | 2021-07-16 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN115079463A (en) * | 2022-06-30 | 2022-09-20 | 京东方科技集团股份有限公司 | Liquid crystal display panel, liquid crystal display device and manufacturing method |
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| CN1399163A (en) * | 2001-07-19 | 2003-02-26 | 欧姆龙株式会社 | Reflecting display and message equipment |
| US20030038906A1 (en) * | 2001-06-19 | 2003-02-27 | Rohm Co., Ltd. | Liquid crystal display device and process for making the same |
| CN1637517A (en) * | 2003-12-29 | 2005-07-13 | Lg.菲利浦Lcd株式会社 | Transflective liquid crystal display device and fabricating method thereof |
| CN101276104A (en) * | 2007-03-29 | 2008-10-01 | 奇美电子股份有限公司 | Semi-penetration and semi-reflection type LCD and colorful pixel |
| US20200183221A1 (en) * | 2018-12-05 | 2020-06-11 | Sharp Kabushiki Kaisha | Liquid crystal display device |
-
2020
- 2020-12-04 CN CN202011417178.8A patent/CN112558347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038906A1 (en) * | 2001-06-19 | 2003-02-27 | Rohm Co., Ltd. | Liquid crystal display device and process for making the same |
| CN1399163A (en) * | 2001-07-19 | 2003-02-26 | 欧姆龙株式会社 | Reflecting display and message equipment |
| CN1637517A (en) * | 2003-12-29 | 2005-07-13 | Lg.菲利浦Lcd株式会社 | Transflective liquid crystal display device and fabricating method thereof |
| CN101276104A (en) * | 2007-03-29 | 2008-10-01 | 奇美电子股份有限公司 | Semi-penetration and semi-reflection type LCD and colorful pixel |
| US20200183221A1 (en) * | 2018-12-05 | 2020-06-11 | Sharp Kabushiki Kaisha | Liquid crystal display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126354A (en) * | 2021-04-09 | 2021-07-16 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN115079463A (en) * | 2022-06-30 | 2022-09-20 | 京东方科技集团股份有限公司 | Liquid crystal display panel, liquid crystal display device and manufacturing method |
| CN115079463B (en) * | 2022-06-30 | 2023-10-20 | 京东方科技集团股份有限公司 | Liquid crystal display panel, liquid crystal display device and manufacturing method |
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Application publication date: 20210326 |
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