CN111538187A - Display device and manufacturing method thereof - Google Patents
Display device and manufacturing method thereof Download PDFInfo
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- CN111538187A CN111538187A CN202010450047.3A CN202010450047A CN111538187A CN 111538187 A CN111538187 A CN 111538187A CN 202010450047 A CN202010450047 A CN 202010450047A CN 111538187 A CN111538187 A CN 111538187A
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0028—Light guide, e.g. taper
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
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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
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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
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
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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
- G02F1/133528—Polarisers
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
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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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device and a manufacturing method thereof. The display device comprises a liquid crystal display panel and a backlight module. The backlight module comprises a prism layer, an optical medium layer, a light guide layer, a reflecting layer, a light guide pipe and a light source. The light guide pipe is arranged on one side of the light guide layer, and one end of the light guide pipe is connected with the surface of one side of the light guide layer; the light source is arranged corresponding to the other end of the light guide pipe. The invention can use common organic optical materials to manufacture the backlight module, and manufacture the backlight module after finishing manufacturing the liquid crystal display panel, thereby avoiding the higher process temperature resistant requirement of the optical materials, realizing the application of the integrated design of the backlight module and the liquid crystal display panel in the actual production, and realizing the light weight and the thin weight of the manufactured display device which is a thin liquid crystal display module.
Description
Technical Field
The application relates to the technical field of mobile communication, in particular to the technical field of mobile equipment, and specifically relates to a display device and a manufacturing method thereof.
Background
With the development of digital technology, liquid crystal display products have been widely applied to various layers of daily life, and the requirements for thinning and light weight of liquid crystal display modules are gradually increased. The liquid crystal display module combines the liquid crystal display panel and the backlight module structure, so that the assembly process of the backlight module is complex, and the liquid crystal display module is difficult to lighten and thin.
In order to solve the problems of difficult thinning of the lcd module and complicated assembly process, it is necessary to develop an lcd module with an integrated backlight module and lcd panel, so as to effectively implement thinning of the lcd module and simplify the assembly process. However, the integrated design of the backlight module and the liquid crystal display panel usually requires that the optical material resists higher process temperature, and the general temperature resistance of the existing organic optical material is poorer, so that the integrated design of the backlight module and the liquid crystal display panel is difficult to be applied in practical production.
Disclosure of Invention
The embodiment of the application provides a display device and a manufacturing method thereof, and solves the technical problem that the common temperature resistance of organic optical materials is poor, so that the existing integrated design of a backlight module and a liquid crystal display panel is difficult to apply in actual production.
The application provides a display device, which comprises a liquid crystal display panel and a backlight module. The liquid crystal display panel is provided with an array substrate, a color film substrate and a liquid crystal layer positioned between the array substrate and the color film substrate; the backlight module is arranged on one side of the array substrate of the liquid crystal display panel; the backlight module comprises a prism layer, an optical medium layer, a light guide layer, a reflecting layer, a light guide pipe and a light source. The prism layer is arranged on the lower surface of the array substrate; the optical medium layer is arranged on the lower surface of the prism layer; the light guide layer is arranged on the lower surface of the optical medium layer; the reflecting layer is arranged on the lower surface of the light guide layer; the light guide pipe is arranged on one side of the light guide layer, and one end of the light guide pipe is connected with the surface of one side of the light guide layer; the light source is arranged corresponding to the other end of the light guide pipe, light emitted by the light source is transmitted into the light guide layer through the light guide pipe, and the light is reflected by the reflecting layer to sequentially penetrate through the optical medium layer and the prism layer to enter the liquid crystal display panel.
Furthermore, the light pipe is a tapered light pipe, the wide end of the tapered light pipe receives the light emitted by the light source, and the narrow end of the tapered light pipe is connected with the surface of one side of the light guide layer.
Further, the cross section of the wide end of the tapered light pipe is any one of a polygon, a circle, or an ellipse.
Further, the width of the narrow end of the tapered light guide pipe is equal to the thickness of the light guide layer.
Furthermore, a layer of reflecting film is arranged on the outer surface of the light guide pipe.
Further, the array substrate comprises a first glass substrate, a driving circuit layer and a metal wire grid layer; the first glass substrate is arranged on the prism layer; the drive circuit layer is arranged on the glass substrate; the metal wire grid layer is arranged on the driving circuit layer.
Further, the color film substrate comprises a color film color resistance layer, a second glass substrate and a polarizer; the color film color resistance layer is arranged on the liquid crystal layer; the second glass substrate is arranged on the color film color resistance layer; the polaroid is arranged on the second glass substrate.
The invention also provides a manufacturing method of the display device, which comprises the following steps:
providing an array substrate and a color film substrate, and manufacturing a liquid crystal layer between the array substrate and the color film substrate to form a liquid crystal display panel; and
manufacturing a backlight module on one side of the array substrate of the liquid crystal display panel;
wherein, the manufacturing of the backlight module comprises the following steps:
manufacturing a prism layer on the lower surface of the array substrate in a coating or stamping mode;
manufacturing an optical medium layer on the lower surface of the prism layer in a coating mode;
manufacturing a light guide layer on the lower surface of the optical medium layer;
manufacturing a reflecting layer on the lower surface of the light guide layer in a metal deposition mode;
arranging a light guide pipe on one side of the light guide layer, wherein one end of the light guide pipe is connected with the surface of one side of the light guide layer; and
and a light source is correspondingly arranged at the other end of the light guide pipe.
When the liquid crystal display panel is used, light emitted by the light source is transmitted into the light guide layer through the light guide pipe, and reflected by the reflecting layer to sequentially penetrate through the optical medium layer and the prism layer to enter the liquid crystal display panel.
Further, the integrated integration setting of liquid crystal display panel with backlight unit after the preparation reflector layer step and before setting up the light pipe step still includes: cutting the panel into a plurality of sub-panels; and binding the flexible circuit board.
Further, when making the leaded light layer, still include: and manufacturing dots on the light guide layer in a stamping mode.
The invention has the beneficial effects that the display device and the manufacturing method thereof can use common organic optical materials to manufacture the backlight module, and the backlight module is manufactured after the liquid crystal display panel is manufactured, so that the requirement of higher process temperature resistance of the optical materials is avoided, the application of the integrated design of the backlight module and the liquid crystal display panel in actual production is realized, and the manufactured display device is a thin liquid crystal display module, so that the light weight and the thin weight are realized.
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 structural diagram of a display device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a backlight module according to an embodiment of the present application.
Fig. 3 is a flowchart of a manufacturing method of the display device according to an embodiment of the present disclosure.
Fig. 4 is a flowchart of a method for manufacturing the backlight module according to an embodiment of the present disclosure.
The designations in the drawings are as follows:
1. an array substrate, 2, a liquid crystal layer, 3, a color film substrate,
10. a liquid crystal display panel 11, a first glass substrate 12, a driving circuit layer,
13. a metal wire grid layer 20, a backlight module 21, a prism layer,
22. an optical medium layer, 23, a light guide layer, 24, a light reflecting layer,
25. a light pipe 26, a light source 31, a color film color resistance layer,
32. a second glass substrate, 33, a polarizer, 100, and a display device.
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 embodiments described are only 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.
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 or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Specifically, referring to fig. 1 and fig. 2, an embodiment of the present invention provides a display device 100, which includes a liquid crystal display panel 10 and a backlight module 20. The liquid crystal display panel 10 is provided with an array substrate 1, a color film substrate 3 and a liquid crystal layer 2 positioned between the array substrate 1 and the color film substrate 3; the backlight module 20 is arranged on one side of the array substrate 1 of the liquid crystal display panel 10; the backlight module 20 includes a prism layer 21, an optical medium layer 22, a light guide layer 23, a reflective layer 24, a light guide 25, and a light source 26. The prism layer 21 is arranged on the lower surface of the array substrate 1; the optical medium layer 22 is arranged on the lower surface of the prism layer 21; the light guide layer 23 is arranged on the lower surface of the optical medium layer 22, and the refractive index of the optical medium layer 22 is smaller than that of the light guide layer 23; the reflecting layer 24 is arranged on the lower surface of the light guide layer 23; the light guide pipe 25 is arranged on one side of the light guide layer 23, and one end of the light guide pipe is connected with the surface of one side of the light guide layer 23; the light source 26 is disposed corresponding to the other end of the light guide 25. The light source 26 is preferably an LED.
When in use, the light emitted by the light source 26 is transmitted into the light guide layer 23 through the light guide pipe 25, and is reflected by the light reflection layer 24 to sequentially pass through the optical medium layer 22 and the prism layer 21 to enter the liquid crystal display panel 10. The light guide 25 may be a straight type or a bent type, so that the light source 26 is separated from the liquid crystal display panel 10 and is assembled to form a complete structure, thereby realizing a light weight and a thin profile of the display device 100.
In this embodiment, the light guide 25 is a tapered light guide, a wide end of the tapered light guide receives the light emitted from the light source 26, and a narrow end of the tapered light guide is connected to a side surface of the light guide layer 23.
In this embodiment, the cross section of the wide end of the tapered light pipe is any one of a polygon, a circle, and an ellipse.
In this embodiment, the width of the narrow end of the tapered light pipe is equal to the thickness of the light guiding layer 23.
In this embodiment, a reflective film (not shown) is disposed on an outer surface of the light guide 25 for reflecting light.
Referring to fig. 1, in the present embodiment, the array substrate 1 includes a first glass substrate 11, a driving circuit layer 12, and a metal wire grid layer 13; the first glass substrate 11 is arranged on the prism layer 21; the driving circuit layer 12 is arranged on the glass substrate; the metal wire grid layer 13 is disposed on the driving circuit layer 12. The metal wire grid layer 13 is manufactured through nanoimprint lithography, is used for polarizing, and plays a role of a polarizer.
Referring to fig. 1, in the embodiment, the color film substrate 3 includes a color film color resist layer 31, a second glass substrate 32, and a polarizer 33; the color film color resistance layer 31 is arranged on the liquid crystal layer 2; the second glass substrate 32 is arranged on the color film color resistance layer 31; the polarizer 33 is disposed on the second glass substrate 32.
In the backlight module 20 of the present embodiment, the light guide layer 23, the optical medium layer 22, the prism layer 21 may be made of a general organic optical material, and the backlight module 20 is made after the liquid crystal display panel 10 is manufactured, so as to avoid the requirement of high process temperature resistance of the optical material, and realize the application of the integrated design of the backlight module 20 and the liquid crystal display panel 10 in the actual production, and the display device 100 is a thin liquid crystal display module, and realizes the light weight and the thin weight.
Referring to fig. 3 and 4, the present invention further provides a method for manufacturing the display device 100, which includes the following steps:
s1, providing an array substrate 1 and a color film substrate 3, and manufacturing a liquid crystal layer 2 between the array substrate 1 and the color film substrate 3 to form a liquid crystal display panel 10; and
s2, manufacturing a backlight module 20 on one side of the array substrate 1 of the liquid crystal display panel 10;
referring to fig. 4, the manufacturing of the backlight module 20 includes the steps of:
s21, manufacturing a prism layer 21 on the lower surface of the array substrate 1 in a coating or stamping mode;
s22, manufacturing an optical medium layer 22 on the lower surface of the prism layer 21 in a coating mode;
s23, manufacturing a light guide layer 23 on the lower surface of the optical medium layer 22, wherein the refractive index of the optical medium layer 22 is smaller than that of the light guide layer 23;
s24, manufacturing a reflecting layer 24 on the lower surface of the light guide layer 23 in a metal deposition mode;
s25, arranging a light guide pipe 25 on one side of the light guide layer 23, wherein one end of the light guide pipe 25 is connected with one side surface of the light guide layer 23; and
s26, a light source 26 is correspondingly disposed at the other end of the light guide 25. The light source 26 is preferably an LED.
When in use, the light emitted by the light source 26 is transmitted into the light guide layer 23 through the light guide pipe 25, and is reflected by the light reflection layer 24 to sequentially pass through the optical medium layer 22 and the prism layer 21 to enter the liquid crystal display panel 10.
More specifically, the light guide 25 is a tapered light guide, a wide end of the tapered light guide receives the light emitted from the light source 26, and a narrow end of the tapered light guide is connected to a side surface of the light guide layer 23. The cross section of the wide end of the tapered light pipe is any one of a polygon, a circle or an ellipse. The width of the narrow end of the tapered light pipe is equal to the thickness of the light guiding layer 23. The outer surface of the light pipe 25 is provided with a layer of reflective film for reflecting light. The light guide 25 may be a straight type or a bent type, so that the light source 26 is separated from the liquid crystal display panel 10 and is assembled to form a complete structure, thereby realizing a light weight and a thin profile of the display device 100.
In this embodiment, the liquid crystal display panel 10 and the backlight module 20 are integrally disposed, after the step S24 of fabricating the reflective layer 24 and before the step S25 of disposing the light guide 25, further comprising: a step S241 of cutting the panel into a plurality of sub-panels; and a step S242 of binding the flexible circuit board.
In this embodiment, when manufacturing the light guide layer 23, the method further includes: and manufacturing dots on the light guide layer 23 in an embossing mode.
In the liquid crystal display panel 10, the array substrate 1 includes a first glass substrate 11, a driving circuit layer 12, and a metal wire grid layer 13; the first glass substrate 11 is arranged on the prism layer 21; the driving circuit layer 12 is arranged on the glass substrate; the metal wire grid layer 13 is disposed on the driving circuit layer 12. The metal wire grid layer 13 is manufactured through nanoimprint lithography, is used for polarizing, and plays a role of a polarizer. The color film substrate 3 comprises a color film color resistance layer 31, a second glass substrate 32 and a polarizer 33; the color film color resistance layer 31 is arranged on the liquid crystal layer 2; the second glass substrate 32 is arranged on the color film color resistance layer 31; the polarizer 33 is disposed on the second glass substrate 32.
The invention has the beneficial effects that the display device and the manufacturing method thereof can use common organic optical materials to manufacture the backlight module, and the backlight module is manufactured after the liquid crystal display panel is manufactured, so that the requirement of higher process temperature resistance of the optical materials is avoided, the application of the integrated design of the backlight module and the liquid crystal display panel in actual production is realized, and the manufactured display device is a thin liquid crystal display module, so that the light weight and the thin weight are realized.
The display device and the manufacturing method thereof provided by the embodiments of the present application are described in detail above, and the principle and the implementation manner of the present application are explained by applying specific examples herein, and the description of the embodiments above is only used to help understanding the technical scheme and the core idea 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 display device, comprising:
the liquid crystal display panel is provided with an array substrate, a color film substrate and a liquid crystal layer positioned between the array substrate and the color film substrate;
the backlight module is arranged on one side of the array substrate of the liquid crystal display panel;
wherein, backlight unit includes:
the prism layer is arranged on the lower surface of the array substrate;
the optical medium layer is arranged on the lower surface of the prism layer;
the light guide layer is arranged on the lower surface of the optical medium layer;
the reflecting layer is arranged on the lower surface of the light guide layer;
the light guide pipe is arranged on one side of the light guide layer, and one end of the light guide pipe is connected with the surface of one side of the light guide layer; and
the light source is arranged corresponding to the other end of the light guide pipe, light rays emitted by the light source are transmitted into the light guide layer through the light guide pipe, and the light rays are reflected by the reflecting layer to sequentially penetrate through the optical medium layer and the prism layer to enter the liquid crystal display panel.
2. The display apparatus of claim 1, wherein the light pipe is a tapered light pipe, a wide end of the tapered light pipe receives light emitted from the light source, and a narrow end of the tapered light pipe is connected to a side surface of the light guide layer.
3. The display apparatus of claim 2, wherein a cross-section of the wide end of the tapered light pipe is any one of a polygon, a circle, or an ellipse.
4. The display apparatus of claim 2, wherein the width of the narrow end of the tapered light pipe is equal to the thickness of the light guiding layer.
5. The display apparatus of claim 1, wherein an outer surface of the light pipe is provided with a reflective film.
6. The display device of claim 1, wherein the array substrate comprises:
the first glass substrate is arranged on the prism layer;
the drive circuit layer is arranged on the glass substrate; and
and the metal wire grid layer is arranged on the driving circuit layer.
7. The display device of claim 1, wherein the color filter substrate comprises:
the color film color resistance layer is arranged on the liquid crystal layer;
the second glass substrate is arranged on the color film color resistance layer; and
and the polaroid is arranged on the second glass substrate.
8. A method for manufacturing a display device, comprising the steps of:
providing an array substrate and a color film substrate, and manufacturing a liquid crystal layer between the array substrate and the color film substrate to form a liquid crystal display panel;
manufacturing a backlight module on one side of the array substrate of the liquid crystal display panel;
wherein, the manufacturing of the backlight module comprises the following steps:
manufacturing a prism layer on the lower surface of the array substrate in a coating or stamping mode;
manufacturing an optical medium layer on the lower surface of the prism layer in a coating mode;
manufacturing a light guide layer on the lower surface of the optical medium layer;
manufacturing a reflecting layer on the lower surface of the light guide layer in a metal deposition mode;
arranging a light guide pipe on one side of the light guide layer, wherein one end of the light guide pipe is connected with the surface of one side of the light guide layer; and
and a light source is correspondingly arranged at the other end of the light guide pipe.
When the liquid crystal display panel is used, light emitted by the light source is transmitted into the light guide layer through the light guide pipe, and reflected by the reflecting layer to sequentially penetrate through the optical medium layer and the prism layer to enter the liquid crystal display panel.
9. The method of claim 8, wherein the lcd panel and the backlight module are integrally formed, and further comprising, after the step of forming the light reflecting layer and before the step of disposing the light pipe:
cutting the panel into a plurality of sub-panels; and
and binding the flexible circuit board.
10. The method of manufacturing a display device according to claim 8, wherein the method further comprises, when manufacturing the light guide layer:
and manufacturing dots on the light guide layer in a stamping mode.
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| CN202010450047.3A CN111538187A (en) | 2020-05-25 | 2020-05-25 | Display device and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086014A (en) * | 2020-09-16 | 2020-12-15 | 武汉华星光电技术有限公司 | Backlight module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205084A1 (en) * | 2002-10-23 | 2008-08-28 | Hannstar Display Corp. | Polarized light source device and back light module for liquid crystal display |
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104617114A (en) * | 2015-02-15 | 2015-05-13 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method of array substrate and display device |
| CN105223729A (en) * | 2015-11-03 | 2016-01-06 | 昆山龙腾光电有限公司 | A kind of liquid crystal indicator |
-
2020
- 2020-05-25 CN CN202010450047.3A patent/CN111538187A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205084A1 (en) * | 2002-10-23 | 2008-08-28 | Hannstar Display Corp. | Polarized light source device and back light module for liquid crystal display |
| CN104570483A (en) * | 2015-01-06 | 2015-04-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN104617114A (en) * | 2015-02-15 | 2015-05-13 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method of array substrate and display device |
| CN105223729A (en) * | 2015-11-03 | 2016-01-06 | 昆山龙腾光电有限公司 | A kind of liquid crystal indicator |
Non-Patent Citations (1)
| Title |
|---|
| 王海宏等: "《平板显示释疑手册 第2辑》", 31 May 2019, 东南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086014A (en) * | 2020-09-16 | 2020-12-15 | 武汉华星光电技术有限公司 | Backlight module and display device |
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Application publication date: 20200814 |