CN110703485A - Liquid crystal display panel and manufacturing method thereof - Google Patents

Liquid crystal display panel and manufacturing method thereof Download PDF

Info

Publication number
CN110703485A
CN110703485A CN201910883762.3A CN201910883762A CN110703485A CN 110703485 A CN110703485 A CN 110703485A CN 201910883762 A CN201910883762 A CN 201910883762A CN 110703485 A CN110703485 A CN 110703485A
Authority
CN
China
Prior art keywords
liquid crystal
substrate
light
assembly
mirror
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910883762.3A
Other languages
Chinese (zh)
Other versions
CN110703485B (en
Inventor
贾本超
权威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InfoVision Optoelectronics Kunshan Co Ltd
Original Assignee
InfoVision Optoelectronics Kunshan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InfoVision Optoelectronics Kunshan Co Ltd filed Critical InfoVision Optoelectronics Kunshan Co Ltd
Priority to CN201910883762.3A priority Critical patent/CN110703485B/en
Publication of CN110703485A publication Critical patent/CN110703485A/en
Application granted granted Critical
Publication of CN110703485B publication Critical patent/CN110703485B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/13338Input devices, e.g. touch panels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553Reflecting elements
    • G02F1/133555Transflectors

Abstract

The invention provides a liquid crystal display panel, comprising: a first substrate; a second substrate; a liquid crystal layer; a prism assembly; a mirror assembly; a beam splitter assembly; a camera assembly; a camera light source; the liquid crystal display panel includes a display mode and a photographing mode. The invention provides a liquid crystal display panel and a manufacturing method thereof.A prism component, a reflector component and a spectroscope component are arranged between a first substrate and a second substrate in a camera area of the liquid crystal display panel, and a camera light source is added at the back side of the second substrate, so that in a display mode, the camera light source penetrates through the second substrate and then sequentially passes through the spectroscope component, the prism component and the reflector component and then passes through the first substrate, thereby realizing the image display of color type and light and shade; under the mode of shooing, external light source penetrates through the first base plate and then passes through the prism assembly, the reflector assembly and the spectroscope assembly in sequence and then penetrates out of the second base plate and enters the camera assembly, and the camera assembly achieves the function of shooing.

Description

Liquid crystal display panel and manufacturing method thereof
Technical Field
The present invention relates to the field of display technologies, and in particular, to a liquid crystal display panel and a method for manufacturing the same.
Background
For realizing the auto heterodyne function, often be equipped with leading camera on the screen, but establish leading camera on the screen, make the cell-phone can't realize 100% comprehensive screen and account for than. In order to solve the technical problem, 100% of the total screen occupation ratio is realized, and in the related technology, the front-facing camera can be set to be in a popup mode, namely, popped up when in use, and is accommodated in a cabin in a mobile phone when not in use. However, such a mobile phone has a complex structure, high processing difficulty, high manufacturing cost, and low operation reliability of the front camera, and frequent popping up easily causes problems such as collision and damage of the front camera. In addition, in order to ensure that the camera is smoothly popped up, an avoiding gap is inevitably arranged on the mobile phone, and water and dust easily enter the gap, so that the quality of the whole mobile phone is influenced.
Disclosure of Invention
The invention aims to provide a liquid crystal display panel and a manufacturing method thereof, and aims to solve the problem that 100% of the total screen occupation ratio cannot be realized because a front camera is arranged on a screen of the conventional liquid crystal display panel.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a liquid crystal display panel, including camera area and often display area, the liquid crystal display panel includes: a first substrate; a second substrate; a liquid crystal layer disposed between the first substrate and the second substrate; the prism assembly is arranged on one side, close to the liquid crystal layer, of the first substrate in the camera area and used for separating the white light into primary color light or converging the primary color light; the reflecting mirror assembly is obliquely arranged on two sides of the prism assembly and corresponds to the liquid crystal layer; the spectroscope component is arranged on one side, close to the liquid crystal layer, of the second substrate in the camera area and is used for separating the white light into primary color light or converging the primary color light; the camera assembly is arranged on one side, far away from the liquid crystal layer, of the second substrate in the camera area; the camera light source is arranged on one side of the camera component; the liquid crystal display panel comprises a display mode and a photographing mode, and in the display mode, a camera light source sequentially passes through the spectroscope component, the liquid crystal layer, the reflector component and the prism component to form an optical image; in the photographing mode, an external light source sequentially passes through the prism assembly, the reflector assembly, the liquid crystal layer and the spectroscope assembly and then is transmitted into the camera assembly, and the camera assembly achieves the photographing function.
Furthermore, the beam splitter component comprises a dichroic mirror and a reflecting mirror which are parallel to each other and arranged at intervals, wherein the dichroic mirror can transmit a part of light and reflect a part of light; one side of the transflective mirror can make the light completely penetrate through, and the other side of the transflective mirror can make the light completely reflect.
Further, the beam splitter assembly comprises three dichroic mirrors and two transflective mirrors, and one transflective mirror is arranged between each two dichroic mirrors.
Furthermore, the reflector component comprises a first reflector and a second reflector which are respectively arranged at two sides of the prism component, and the first reflector and the second reflector are symmetrically arranged.
Further, the dichroic mirror and the transflective mirror in the beam splitting mirror assembly are parallel to the first reflective mirror or the second reflective mirror at the same time.
Further, the prism assembly comprises four optical prisms and an optical transflective film between the optical prisms, and the four optical prisms and the optical transflective film are used for converging the primary color light or dispersing the white light into the primary color light.
Further, the liquid crystal display panel further comprises a light guide plate, the light guide plate is arranged between the camera assembly and the second substrate, and the light guide plate is used for converting the camera light source into a surface light source.
The invention also provides a manufacturing method of the liquid crystal display panel, which comprises the following steps:
providing a first substrate;
manufacturing a three-dimensional light shielding layer on one side, close to the liquid crystal layer, of the first substrate in the camera area of the liquid crystal display panel, wherein the three-dimensional light shielding layer comprises two light shielding bodies, each light shielding body at least comprises an inclined surface, and the inclined surfaces correspond to the liquid crystal layer (30);
coating a reflecting layer on the opposite inclined surfaces of the two light-shielding bodies to form a reflecting mirror assembly;
manufacturing a black matrix and a filter layer on one side, close to the liquid crystal layer, of the first substrate in the normal display area of the liquid crystal display panel, wherein the black matrix and the filter layer are positioned on the same layer as the three-dimensional shading layer;
arranging a prism assembly between two light-shielding bodies which are close to the liquid crystal layer on the first substrate;
forming a first organic planarization layer on the first substrate on which the prism assembly, the black matrix, and the filter layer are formed;
providing a second substrate;
forming a three-dimensional organic coating in a camera area of the liquid crystal display panel, wherein the three-dimensional organic coating comprises a plurality of organic coating bodies, and each organic coating body at least comprises an inclined plane;
coating optical transflective films on a plurality of inclined planes of the plurality of organic coating bodies which are parallel to each other to form a dichroic mirror or a transflective mirror respectively;
forming a second organic flat layer on the stereoscopic organic coating of the camera area and the second substrate of the normal display area;
forming a thin film transistor array on the second organic planarization layer;
and the first substrate with the first organic flat layer and the second substrate with the thin film transistor array are aligned to form a box.
Furthermore, the prism assembly is formed by jointing four optical prisms, an optical transparent and reflective film is arranged between every two adjacent optical prisms, and the cross section of the prism assembly is square.
Further, the stereoscopic organic coating includes five organic coating bodies, each of which has one surface provided with an optical transflective film to form a dichroic mirror or a transflective mirror.
The invention provides a liquid crystal display panel with switchable visual angles and a manufacturing method thereof.A prism component, a reflector component and a spectroscope component are arranged between a first substrate and a second substrate in a camera area of the liquid crystal display panel, and a camera light source is added at the back side of the second substrate, so that in a display mode, the camera light source penetrates through the second substrate and then sequentially passes through the spectroscope component, the prism component and the reflector component and then passes through the first substrate, thereby realizing the image display of color type and light and shade; under the mode of taking a picture, the external light source penetrates through the first substrate, then sequentially passes through the prism assembly, the reflector assembly and the spectroscope assembly, then penetrates out of the second substrate and is transmitted into the camera assembly, and the camera assembly achieves the function of taking a picture, so that 100% of comprehensive screen design is achieved.
Drawings
Fig. 1 is a partial cross-sectional view of a liquid crystal display panel according to an embodiment of the invention.
Fig. 2 is a camera light source propagation path of a camera area of a liquid crystal display panel in a display mode according to an embodiment of the present invention.
Fig. 3 is a propagation path of an external light source in a camera area of a liquid crystal display panel in a photographing mode according to an embodiment of the present invention.
Fig. 4a to 4f are diagrams illustrating a method for manufacturing a camera area on a first substrate side according to an embodiment of the present invention.
Fig. 5a to 5d are diagrams illustrating a method for manufacturing a camera area on a second substrate side according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and examples.
Fig. 1 is a partial cross-sectional view of a liquid crystal display panel according to an embodiment of the invention. Referring to fig. 1, an embodiment of the present invention provides a liquid crystal display panel, which includes a camera area 100 and a normal display area 200, and the liquid crystal display panel includes: a first substrate 10; a second substrate 20; a liquid crystal layer 30 disposed between the first substrate 10 and the second substrate 20; a prism assembly 11 disposed on a side of the first substrate 10 in the camera area 100 close to the liquid crystal layer 30, wherein the prism assembly 11 is used for separating the white light into primary light or converging the primary light; a mirror assembly 12 obliquely disposed at both sides of the prism assembly 11 and corresponding to the liquid crystal layer 30; a beam splitter component 21 disposed on a side of the second substrate 20 in the camera area 100, the side being close to the liquid crystal layer 30, the beam splitter component 21 being configured to split white light into primary color light or converge the primary color light; a camera assembly 40 disposed on a side of the second substrate 20 away from the liquid crystal layer 30 within the camera area 100; a camera light source 50 disposed at one side of the camera assembly 40; a light guide plate 60 disposed between the camera assembly 40 and the second substrate 20; the liquid crystal display panel comprises a display mode and a photographing mode, wherein in the display mode, light emitted by the camera light source 50 sequentially passes through the spectroscope assembly 21, the liquid crystal layer 30, the prism assembly 11 and the reflector assembly 12 to form an optical image; in the photographing mode, light emitted from an external light source passes through the prism assembly 11, the reflector assembly 12, the liquid crystal layer 30 and the beam splitter assembly 21 in sequence and then is transmitted into the camera assembly 40, and the camera assembly 40 realizes a photographing function.
Referring to fig. 1, the beam splitter assembly 21 includes a mirror 212 and a dichroic mirror 211 that are parallel to each other and spaced apart from each other, and the dichroic mirror 211 can transmit a portion of light and reflect a portion of light; one side of the mirror 212 allows light to pass through completely and the other side of the mirror 212 allows light to reflect completely. In this embodiment, the dichroic assembly 21 includes three dichroic mirrors 211 (a first dichroic mirror 211a, a second dichroic mirror 211b, and a third dichroic mirror 211c) and two transflective mirrors 212 (a first transflective mirror 212a and a second transflective mirror 212b), the three dichroic mirrors 211 and the two transflective mirrors 212 are parallel to each other, and one transflective mirror 212 is disposed between each two dichroic mirrors 211. Wherein, the first dichroic mirror 211a is used for passing red light and reflecting green light and blue light; the second dichroic mirror 211b is for passing blue light and reflecting green light; the third dichroic mirror 211c is used for reflecting blue light; the surface of the first transflective mirror 212a opposite to the first dichroic mirror 211a can allow the camera light source to completely pass through, and the surface of the first transflective mirror 212a opposite to the first dichroic mirror 211a can allow the external light source to completely reflect; the surface of the second transflective mirror 212b opposite to the first dichroic mirror 211a can allow the camera light source to completely pass through, and the surface of the second transflective mirror 212b opposite to the first dichroic mirror 211a can allow the external light source to completely reflect.
In this embodiment, the prism assembly 11 includes four relatively independent optical prisms, and the four optical prisms are used to converge the primary color light or disperse the white light into the primary color light. The cross section of the prism assembly 11 formed by mutually bonding the four optical prisms is square. Specifically, an optical transflective film is disposed between every two optical prisms, and the optical transflective film can transmit light or reflect light. In this embodiment, four optical prisms are, for example, triangular prisms.
In this embodiment, the mirror assembly 12 includes a first mirror 121 and a second mirror 122 respectively disposed at two sides of the prism assembly 11, and the first mirror 121 and the second mirror 122 are symmetrically disposed. Specifically, the included angle between the first reflective mirror 121 and the second reflective mirror 122 and the first substrate 10 is 45 degrees. In other embodiments, the included angle may also be set according to actual product requirements, which is not limited herein.
In this embodiment, the position of the second reflective mirror 122 corresponds to the position of the camera light source 50, and the second reflective mirror 122 is parallel to the dichroic mirror 211 and the reflective mirror 212 of the beam splitter assembly 21, respectively. In other embodiments, the first reflective mirror 121 is parallel to the dichroic mirror 211 and the reflective mirror 212 of the dichroic mirror assembly 21, respectively, and the position of the first reflective mirror 121 corresponds to the position of the camera light source 50.
Referring to fig. 1, the camera light source 50 is an LED lamp disposed on a side of the second substrate 20 away from the liquid crystal layer 30 and on a side of the camera assembly 40, and the light guide plate 60 is disposed between the second substrate 20 and the camera light source 50. The camera light source 50 provides a light source to the camera area 100 in a display mode of the liquid crystal display panel, and the light guide plate 60 serves to convert a point light source into a surface light source in the display mode.
Fig. 2 is a camera light source propagation path of a camera area of a liquid crystal display panel in a display mode according to an embodiment of the present invention. Referring to fig. 2, in the display mode of the liquid crystal display panel, the camera light source 50 passes through the light guide plate 60 and then becomes a strip-shaped surface light source, the surface light source sequentially irradiates the first dichroic mirror 211a, the second dichroic mirror 211B and the third dichroic mirror 211c to form R, G, B three beams of light, after the R, G, B three beams of light pass through the liquid crystal layer 30, the R light and the B light are respectively reflected by the first reflective mirror 121 and the second reflective mirror 122 and then are converged with the G light at the prism assembly 11, thereby realizing the color type and bright-dark image display. The lcd panel includes a plurality of sub-pixels (not shown) for displaying, wherein the sub-pixels in the left, middle and right regions of the camera area 100 respectively display images of corresponding color regions (for example, the left display B, the middle display G and the right display R in fig. 1), there are about 30-100 sub-pixels in the camera area 100, and the number of the sub-pixels is preferably a multiple of 3.
Fig. 3 shows the propagation path of the external light source in the camera area 100 of the lcd panel in the photographing mode according to the embodiment of the present invention. Referring to fig. 3, in the photographing mode of the lcd panel, the camera light source 50 is turned off, the external light source passes through the prism assembly 11 and becomes R, G, B three beams of light, the R light and the B light respectively pass through the first reflective mirror 121 and the second reflective mirror 122 and then reach the liquid crystal layer 30 together with the G light; then, a saturation voltage is applied to the liquid crystal layer 30 of the camera area 100, after the R, G, B three lights pass through the liquid crystal layer 30, the G light and the B light pass through the corresponding dichroic mirror 211 and are totally reflected by the transflective mirror 212 and transmitted into the camera assembly 40, the R light passes through the corresponding dichroic mirror 211 and is transmitted into the camera assembly 40, and the camera assembly 40 processes the collected signals through an algorithm to form a normal picture. In this embodiment, the saturation voltage is applied to the liquid crystal layer 30 of the camera area 100 to increase the transmittance of the external light source, thereby increasing the light received by the camera assembly 40. In other embodiments, no saturation voltage may be applied to the liquid crystal layer 30.
Fig. 4a to 4f are diagrams illustrating a method for fabricating a camera area on a first substrate side in an embodiment of the invention, and fig. 5a to 5d are diagrams illustrating a method for fabricating a camera area on a second substrate side in an embodiment of the invention. Referring to fig. 4a to 4f and fig. 5a to 5d, the method for fabricating the liquid crystal display panel includes:
providing a first substrate 10;
a three-dimensional light shielding layer 13 is formed on a side of the first substrate 10 of the camera area 100 of the liquid crystal display panel, which is close to the liquid crystal layer 30, the three-dimensional light shielding layer 13 includes two light shielding bodies 131, each light shielding body 131 includes at least one inclined surface, and the inclined surface corresponds to the liquid crystal layer 30;
coating a reflecting layer on the opposite inclined surfaces of the two light-shielding bodies 131 to form a reflector assembly 12;
manufacturing a black matrix 14 and a filter layer 15 on one side of the first substrate 10 of the normal display area 200 of the liquid crystal display panel, which is close to the liquid crystal layer 30, wherein the black matrix 14, the filter layer 15 and the three-dimensional light shielding layer 13 are in the same layer;
disposing a prism assembly 11 between the two light-shielding bodies 131 close to the liquid crystal layer 30 on the first substrate 10;
forming a first organic planarization layer 16 on the first substrate 10 on which the prism assembly 11, the black matrix 14 and the filter layer 15 are formed;
providing a second substrate 20;
forming a stereoscopic organic coating 22 on the camera area 100 of the lcd panel, the stereoscopic coating including a plurality of organic coating bodies 221, each of the organic coating bodies 221 including at least one inclined surface, the inclined surfaces of the plurality of organic coating bodies 221 being parallel to each other;
coating optical transflective films on a plurality of parallel inclined surfaces of the organic coating layers 221 to form a dichroic mirror 211 or a transflective mirror 212;
forming a second organic planarization layer 23 on the stereoscopic organic coating layer 22 of the camera area 100 and the second substrate 20 of the normal display area 200;
a thin film transistor array 24 is formed on the second organic planarization layer 23.
The first substrate 10 formed with the first organic planarization layer 16 and the second substrate 20 formed with the thin film transistor array 24 are assembled to each other.
In this embodiment, the light-shielding body 131 may be configured as a right triangle, an angle between a hypotenuse of the right triangle and the first substrate 10 is 45 degrees, and the first reflective mirror 121 and the second reflective mirror 122 are respectively disposed on two opposite inclined surfaces of the light-shielding body 131. The cross section of the organic coating body 221 is an isosceles triangle, and an included angle between the oblique side of the isosceles triangle and the second substrate 20 is 45 degrees, so that the beam splitter assembly 21 on the organic coating body 221 and the second reflective mirror 122 are parallel to each other. In other embodiments, as long as the beam splitter assembly 21 is disposed parallel to the first reflective mirror 121 or the second reflective mirror 122, the structure of the light shielding body may be designed according to the requirements of different products, and is not limited herein.
In this embodiment, after forming the first organic planarization layer 16 on the first substrate 10 on which the prism assembly 11, the black matrix 14 and the filter layer 15 are formed, the method may further include: a counter electrode 17 is formed on the first organic planarization layer 16.
In this embodiment, the step of forming the stereoscopic organic coating 22 in the camera area 100 of the liquid crystal display panel further includes: the stereoscopic organic coating 22 includes five organic coating bodies 221, and each organic coating body 221 has one surface provided with an optical transflective film to form a dichroic mirror 211 or a transflective mirror 212, respectively.
In this embodiment, the step of coating the reflective layer on the two opposite inclined surfaces of the light-shielding bodies 131 to form the mirror assembly 12 further includes: a first reflective mirror 121 and a second reflective mirror 122 respectively disposed at both sides of the prism assembly 11, wherein the first reflective mirror 121 and the second reflective mirror 122 are symmetrically disposed. Specifically, the position of the second reflective mirror 122 corresponds to the position of the camera light source 50, and the second reflective mirror 122 is parallel to the dichroic mirror 211 and the reflective mirror 212 in the beam splitter assembly 21. Alternatively, the position of the first reflective mirror 121 corresponds to the position of the camera light source 50, and the first reflective mirror 121 is parallel to the dichroic mirror 211 and the reflective mirror 212 in the beam splitter assembly 21.
In this embodiment, the prism assembly 11 is formed by bonding four relatively independent optical prisms, the cross section of the prism assembly 11 formed by bonding the four optical prisms with each other is square, and an optical transparent and reflective film is disposed between two adjacent optical prisms.
In the display mode of the lcd panel, the camera light source 50 passes through the light guide plate 60 and then becomes a strip-shaped surface light source, the surface light source sequentially irradiates the first dichroic mirror 211a, the second dichroic mirror 211B and the third dichroic mirror 211c to form R, G, B three beams of light, after the R, G, B three beams of light pass through the liquid crystal layer 30, the R light and the B light are respectively reflected by the first reflective mirror 121 and the second reflective mirror 122 and then join with the G light at the prism assembly 11, thereby realizing the color type and bright-dark picture display. The lcd panel includes a plurality of sub-pixels (not shown) for displaying, wherein the sub-pixels in the left, middle and right regions of the camera area 100 respectively display images of corresponding color regions (for example, the left display B, the middle display G and the right display R in fig. 1), there are about 30-100 sub-pixels in the camera area 100, and the number of the sub-pixels is preferably a multiple of 3.
In the photographing mode of the lcd panel, the camera light source 50 is turned off, the external light source passes through the prism assembly 11 and becomes R, G, B three beams of light, the R light and the B light respectively pass through the first reflective mirror 121 and the second reflective mirror 122 and then reach the liquid crystal layer 30 together with the G light; then, a saturation voltage is applied to the liquid crystal layer 30 of the camera area 100, after the R, G, B three lights pass through the liquid crystal layer 30, the G light and the B light pass through the corresponding dichroic mirror 211 and are totally reflected by the transflective mirror 212 and transmitted into the camera assembly 40, the R light passes through the corresponding dichroic mirror 211 and is transmitted into the camera assembly 40, and the camera assembly 40 processes the collected signals through an algorithm to form a normal picture. In this embodiment, the saturation voltage is applied to the liquid crystal layer 30 of the camera area 100 to increase the transmittance of the external light source, thereby increasing the light received by the camera assembly 40. In other embodiments, no saturation voltage may be applied to the liquid crystal layer 30.
The invention provides a liquid crystal display panel with switchable visual angles and a manufacturing method thereof.A prism component, a reflector component and a spectroscope component are arranged between a first substrate and a second substrate in a camera area of the liquid crystal display panel, and a camera light source is added at the back side of the second substrate, so that in a display mode, the camera light source penetrates through the second substrate and then sequentially passes through the spectroscope component, the prism component and the reflector component and then passes through the first substrate, thereby realizing the image display of color type and light and shade; under the mode of taking a picture, the external light source penetrates through the first substrate, then sequentially passes through the prism assembly, the reflector assembly and the spectroscope assembly, then penetrates out of the second substrate and is transmitted into the camera assembly, and the camera assembly achieves the function of taking a picture, so that 100% of comprehensive screen design is achieved.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A liquid crystal display panel comprising a camera area (100) and a normal display area (200), the liquid crystal display panel comprising: a first substrate (10); a second substrate (20); a liquid crystal layer (30) disposed between the first substrate (10) and the second substrate (20); a prism assembly (11) disposed on a side of the first substrate (10) within the camera area (100) that is close to the liquid crystal layer (30), the prism assembly (11) being configured to separate white light into primary light or converge the primary light; the reflecting mirror assembly (12) is obliquely arranged on two sides of the prism assembly (11) and corresponds to the liquid crystal layer (30); the light splitting mirror assembly (21) is arranged on one side, close to the liquid crystal layer (30), of the second substrate (20) in the camera area (100), and the light splitting mirror assembly (21) is used for splitting white light into primary color light or converging the primary color light; a camera assembly (40) disposed on a side of the second substrate (20) within the camera area (100) away from the liquid crystal layer (30); a camera light source (50) disposed on one side of the camera assembly (40);
the liquid crystal display panel comprises a display mode and a photographing mode, wherein in the display mode, the camera light source (50) sequentially passes through the beam splitter component (21), the liquid crystal layer (30), the reflector component (12) and the prism component (11) to form an optical image; under the mode of shooing, external light source passes through in proper order prism subassembly (11), reflector assembly (12) liquid crystal layer (30) with spread spectrum mirror assembly (21) back is afferent camera subassembly (40), camera subassembly (40) realize the function of shooing.
2. The lcd panel of claim 1, wherein the dichroic mirror assembly (21) comprises a dichroic mirror (211) and a transflective mirror (212) disposed in parallel and spaced apart from each other, the dichroic mirror (211) being capable of transmitting a portion of the light and reflecting a portion of the light; one side of the reflecting mirror (212) can make the light completely penetrate, and the other side of the reflecting mirror (212) can make the light completely reflect.
3. The liquid crystal display panel according to claim 2, wherein the dichroic mirror assembly (21) comprises three dichroic mirrors (211) and two transflective mirrors (212), one transflective mirror (212) being disposed between each two dichroic mirrors (211).
4. The liquid crystal display panel according to claim 2, wherein the mirror assembly (12) comprises a first mirror (121) and a second mirror (122) respectively disposed at both sides of the prism assembly (11), the first mirror (121) being disposed symmetrically to the second mirror (122).
5. The liquid crystal display panel according to claim 4, wherein the dichroic mirror (211) and the transflective mirror (212) in the dichroic mirror assembly (21) are simultaneously parallel to the first reflective mirror (121) or the second reflective mirror (122).
6. The liquid crystal display panel according to claim 1, wherein the prism assembly (11) comprises four optical prisms and an optical transflective film between the optical prisms, and the four optical prisms and the optical transflective film are used to condense primary color light or disperse white light into primary color light.
7. The liquid crystal display panel according to claim 1, further comprising a light guide plate (60), the light guide plate (60) being disposed between the camera assembly (40) and the second substrate (20), the light guide plate (60) being for converting the camera light source (50) into a surface light source.
8. A method for manufacturing a liquid crystal display panel is characterized by comprising the following steps:
providing a first substrate (10);
manufacturing a three-dimensional light shielding layer (13) on one side, close to a liquid crystal layer (30), of the first substrate (10) of a camera area (100) of the liquid crystal display panel, wherein the three-dimensional light shielding layer (13) comprises two light shielding bodies (131), each light shielding body (131) at least comprises an inclined surface, and the inclined surfaces correspond to the liquid crystal layer (30);
coating a reflecting layer on the opposite inclined surfaces of the two light-shielding bodies (131) to form a reflecting mirror assembly (12);
manufacturing a black matrix (14) and a filter layer (15) on one side, close to the liquid crystal layer (30), of the first substrate (10) of a normal display area (200) of the liquid crystal display panel, wherein the black matrix (14) and the filter layer (15) are positioned on the same layer with the three-dimensional shading layer (13);
arranging a prism assembly (11) between two light-shielding bodies (131) close to the liquid crystal layer (30) on the first substrate (10);
forming a first organic planarization layer (16) on the first substrate (10) on which the prism assembly (11), the black matrix (14), and the filter layer (15) are formed;
providing a second substrate (20);
forming a stereoscopic organic coating (22) on a camera area (100) of the liquid crystal display panel, wherein the stereoscopic organic coating (22) comprises a plurality of organic coating bodies (221), and each organic coating body (221) at least comprises an inclined plane;
coating an optical transflective film on a plurality of inclined surfaces of the plurality of organic coating bodies (221) parallel to each other to form a dichroic mirror (211) or a transflective mirror (212), respectively;
forming a second organic planarization layer (23) on the stereoscopic organic coating layer (22) of the camera area (100) and the second substrate (20) of the normal display area (200);
forming a thin film transistor array (24) on the second organic planarization layer (23);
the first substrate (10) on which the first organic planarization layer (16) is formed and the second substrate (20) on which the thin film transistor array (24) is formed are assembled in a cell-to-cell manner.
9. The method for manufacturing a liquid crystal display panel according to claim 8, wherein the prism assembly (11) is formed by bonding four optical prisms, an optical transflective film is disposed between two adjacent optical prisms, and the cross section of the prism assembly (11) is square.
10. The method of claim 8, wherein the stereoscopic organic coating (22) comprises five organic coating bodies (221), and each of the organic coating bodies (221) has an optical transflective film disposed on one surface thereof to form a dichroic mirror (211) or a transflective mirror (212), respectively.
CN201910883762.3A 2019-09-18 2019-09-18 Liquid crystal display panel and manufacturing method thereof Active CN110703485B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910883762.3A CN110703485B (en) 2019-09-18 2019-09-18 Liquid crystal display panel and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910883762.3A CN110703485B (en) 2019-09-18 2019-09-18 Liquid crystal display panel and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN110703485A true CN110703485A (en) 2020-01-17
CN110703485B CN110703485B (en) 2021-11-16

Family

ID=69194902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910883762.3A Active CN110703485B (en) 2019-09-18 2019-09-18 Liquid crystal display panel and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN110703485B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113885248A (en) * 2021-09-24 2022-01-04 合肥维信诺科技有限公司 Display device and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101750857A (en) * 2009-12-28 2010-06-23 武汉全真光电科技有限公司 LCD (liquid crystal display) projection display system
CN107483777A (en) * 2017-06-30 2017-12-15 努比亚技术有限公司 A kind of imaging method, device and mobile terminal
CN109164648A (en) * 2018-09-30 2019-01-08 厦门天马微电子有限公司 A kind of display panel and display device
CN109688308A (en) * 2018-11-29 2019-04-26 Oppo广东移动通信有限公司 Display screen component and electronic equipment
CN110211500A (en) * 2019-06-27 2019-09-06 Oppo广东移动通信有限公司 Image display module, method, terminal device and storage medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101750857A (en) * 2009-12-28 2010-06-23 武汉全真光电科技有限公司 LCD (liquid crystal display) projection display system
CN107483777A (en) * 2017-06-30 2017-12-15 努比亚技术有限公司 A kind of imaging method, device and mobile terminal
CN109164648A (en) * 2018-09-30 2019-01-08 厦门天马微电子有限公司 A kind of display panel and display device
CN109688308A (en) * 2018-11-29 2019-04-26 Oppo广东移动通信有限公司 Display screen component and electronic equipment
CN110211500A (en) * 2019-06-27 2019-09-06 Oppo广东移动通信有限公司 Image display module, method, terminal device and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113885248A (en) * 2021-09-24 2022-01-04 合肥维信诺科技有限公司 Display device and control method thereof

Also Published As

Publication number Publication date
CN110703485B (en) 2021-11-16

Similar Documents

Publication Publication Date Title
US7798698B2 (en) Lighting device and display device
US6190013B1 (en) Polarized beam splitter and an illumination optical system and a projector provided with a polarized beam splitter
US6151166A (en) Color separation element and image display device using same
CN108663879B (en) Projector and illumination system thereof
US20060139575A1 (en) Optical collection and distribution system and method
CN1472593A (en) Projecting screen and manufacture thereof
TW200422714A (en) Light source device and projection type display unit using the same
CN102645831A (en) Illuminating optical system and projector device
TW201137493A (en) Illumination system for laser projection
US10712645B2 (en) Projection apparatus and illumination system
CN110703485B (en) Liquid crystal display panel and manufacturing method thereof
CN101454718B (en) Lighting system and projection type video display apparatus utilizing the same
US20190391471A1 (en) Illuminating system and projecting apparatus
CN114488671B (en) Projection device and illumination system
TWI443441B (en) Light source system
CN101893765B (en) Polarization conversion assembly and single-imager micro projection engine
US20060279846A1 (en) Prism assembly
US5184234A (en) Stacked LCD color projector with equal path lengths
US7909467B2 (en) Projection apparatus, light source module and beam combiner adapted to projection apparatus
KR100501789B1 (en) Compact lighting device
CN1278163C (en) Projector
CN102109681B (en) Color beam splitting system
JP2014085570A (en) Projection type display device
US10310364B2 (en) Light source device and projection display apparatus
JPH11258604A (en) Image display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant