CN115167029A - Display module and manufacturing method thereof - Google Patents

Display module and manufacturing method thereof Download PDF

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Publication number
CN115167029A
CN115167029A CN202210773968.2A CN202210773968A CN115167029A CN 115167029 A CN115167029 A CN 115167029A CN 202210773968 A CN202210773968 A CN 202210773968A CN 115167029 A CN115167029 A CN 115167029A
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color
reflective
portions
display module
array substrate
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Granted
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CN202210773968.2A
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Chinese (zh)
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CN115167029B (en
Inventor
吴万春
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TCL Huaxing Photoelectric Technology Co Ltd
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TCL Huaxing Photoelectric Technology Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G02F1/133555—Transflectors
    • G02F1/133557—Half-mirrors

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

Abstract

The application provides a display module and a manufacturing method thereof, the display module comprises a display panel and a backlight module, the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, the array substrate and the color film substrate are oppositely arranged, the liquid crystal layer is located between the array substrate and the color film substrate, the array substrate is located on the light emitting side of the display panel, the color film substrate comprises a plurality of transmission color resistance portions, a plurality of reflection color resistance portions and a black matrix, the black matrix comprises a plurality of openings, and the plurality of transmission color resistance portions and the plurality of reflection color resistance portions are arranged in the openings. Through set up a plurality of transmission look in the opening and hinder portion and a plurality of reflection look, realize display module's semi-transparent semi-reflective mode to make reflection look hinder the portion and print the process preparation through one inkjet and form, compare and adopt multichannel process preparation metal film layer as the reflection part among the prior art, the preparation process that the reflection look hinders the portion in this application is simpler, has saved the cost.

Description

Display module and manufacturing method thereof
Technical Field
The application relates to the technical field of display, in particular to a display module and a manufacturing method thereof.
Background
With the development of Liquid Crystal Display (LCD), the energy consumption of the LCD is more and more emphasized, the transflective LCD with low energy consumption is the current research direction, at present, the transflective LCD generally adopts a metal film layer to manufacture the reflective portion, the structure of the metal film layer is complex, the process for independently preparing the metal film layer is complex, the manufacturing process comprises a yellow light process and an etching process, the cost is high, and therefore, the transflective LCD with a simple manufacturing process needs to be designed, and the cost is reduced.
Disclosure of Invention
The embodiment of the application provides a display module and a manufacturing method thereof, which aim to solve the technical problem that the manufacturing process of the existing transflective LCD is complicated.
The embodiment of the application provides a display module assembly, includes:
the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are oppositely arranged, the liquid crystal layer is positioned between the array substrate and the color film substrate, and the array substrate is positioned on the light emergent side of the display panel;
the backlight module is arranged on one side of the display panel close to the color film substrate;
the color film substrate comprises a plurality of transmission color resistance parts, a plurality of reflection color resistance parts and a black matrix, the black matrix comprises a plurality of openings, and the plurality of transmission color resistance parts and the plurality of reflection color resistance parts are arranged in the openings.
In the display module provided in the embodiment of the present application, the color film substrate includes a plurality of color resistors, one of the color resistors is correspondingly disposed in one of the openings, and one of the color resistors includes one of the transmissive color resistor portions and one of the reflective color resistor portions.
In the display module provided in the embodiment of the application, the plurality of transmissive color resists and the plurality of reflective color resists are arranged at intervals, and one transmissive color resist or one reflective color resist is arranged in the opening.
In the display module assembly provided by the embodiment of the application, the material of the reflective color resist portion comprises an ink material.
In the display module provided in the embodiment of the present application, the color film substrate includes a plurality of color resistor portions, and the plurality of color resistor portions include a plurality of transmissive color resistor portions and a plurality of reflective color resistor portions;
the color resistance parts comprise a plurality of color resistance part groups arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts arranged along a second direction, and the first direction is perpendicular to the second direction;
along the first direction, any two adjacent color resistance parts comprise one transmission color resistance part and one reflection color resistance part, and along the second direction, any two adjacent color resistance parts comprise one transmission color resistance part and one reflection color resistance part.
In the display module provided in the embodiment of the present application, the color filter substrate includes a plurality of color resistor portions, and the plurality of color resistor portions include a plurality of transmissive color resistor portions and a plurality of reflective color resistor portions;
the color resistance parts comprise a plurality of color resistance part groups arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts arranged along a second direction, and the first direction is perpendicular to the second direction;
the color resistance part group comprises a plurality of transmission color resistance parts or a plurality of reflection color resistance parts; in any two adjacent color resistance part groups, one color resistance part group comprises a plurality of transmission color resistance parts, and the other color resistance part group comprises a plurality of reflection color resistance parts.
In the display module provided in the embodiment of the present application, the plurality of reflective color resists include a first color reflective color resist, a second color reflective color resist and a third color reflective color resist, the first color reflective color resist is cyan, the second color reflective color resist is magenta, and the third color reflective color resist is yellow;
and the colors of any two adjacent reflection color resistance parts are different along the first direction or the second direction.
The display module provided by the embodiment of the application comprises a display area and a non-display area adjacent to the display area, wherein the array substrate comprises a photosensitive unit positioned in the non-display area, and the photosensitive unit is used for sensing the light intensity of ambient light;
the display module further comprises a processing module, and the processing module is respectively connected with the photosensitive unit and the backlight module and is used for receiving and adjusting the working state of the backlight module according to the light intensity.
In the display module assembly that this application embodiment provided, the array substrate includes a plurality of thin film transistors that are located the display area, the array substrate still includes:
a first metal layer is arranged on one side, close to the liquid crystal layer, of the substrate, and the first metal layer comprises a grid electrode of the thin film transistor;
the second metal layer is arranged on one side, close to the liquid crystal layer, of the first metal layer and comprises a source electrode and a drain electrode of the thin film transistor, and a first electrode and a second electrode of the light sensing unit;
and the semiconductor layer is arranged on one side of the second metal layer close to the liquid crystal layer and comprises an active layer of the thin film transistor and a photosensitive layer of the photosensitive unit.
The embodiment of the application provides a manufacturing method of a display module, which comprises the following steps
Providing a display panel, wherein the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, the array substrate and the color film substrate are oppositely arranged, the liquid crystal layer is formed between the array substrate and the color film substrate, the array substrate is formed on the light emitting side of the display panel, the color film substrate comprises a plurality of transmission color resistor parts, a plurality of reflection color resistor parts and a black matrix, the black matrix comprises a plurality of openings, and the plurality of transmission color resistor parts and the plurality of reflection color resistor parts are formed in the openings;
and forming a backlight module on one side of the display panel close to the color film substrate.
The beneficial effect of this application does: the application provides a display module assembly and manufacturing method thereof, hinders portion and a plurality of reflection look through setting up a plurality of transmission looks in the opening and hinders the portion, realizes display module assembly's semi-transparent semi-reflection mode to make reflection look hinder the portion accessible ink jet printing process preparation one and form, compare and adopt multichannel process preparation metal film layer as the reflection part among the prior art, the preparation process that the reflection look hinders the portion in this application is more simple, has saved the cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a display module according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional view of a display module according to an embodiment of the present disclosure;
FIG. 3 isbase:Sub>A schematic view ofbase:Sub>A first cross-sectional configuration at A-A in FIG. 2;
fig. 4 is a schematic view of a first top view structure of a display module according to an embodiment of the present disclosure;
fig. 5 is a schematic cross-sectional view illustrating a display module according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a first cross-sectional structure at B-B in FIG. 5;
fig. 7 is a schematic diagram of a second top view structure of a display module according to an embodiment of the present disclosure;
FIG. 8 isbase:Sub>A schematic view ofbase:Sub>A second cross-sectional configuration at A-A in FIG. 2;
FIG. 9 is a second cross-sectional view taken at B-B of FIG. 5;
fig. 10 is a schematic flow chart illustrating a manufacturing method of a display module according to an embodiment of the present disclosure.
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, and it is obvious that the described embodiment is only a component embodiment of the present application, and not a complete group of 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. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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.
The embodiment of the application provides a display module and a manufacturing method thereof. The following are detailed descriptions. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a display module, which includes a display panel and a backlight module 1. The display panel comprises an array substrate 4, a color film substrate 2 and a liquid crystal layer 3, wherein the array substrate 4 and the color film substrate 2 are arranged oppositely, and the liquid crystal layer 3 is positioned between the array substrate 4 and the color film substrate 2, and the array substrate 4 is positioned on a light emergent side A of the display panel; the backlight module 1 is arranged on one side of the display panel close to the color film substrate 2; the color film substrate 2 includes a plurality of transmissive color resistance portions 2221, a plurality of reflective color resistance portions 2222, and a black matrix 221, where the black matrix 221 includes a plurality of openings 222, and the plurality of transmissive color resistance portions 2221 and the plurality of reflective color resistance portions 2222 are disposed in the openings 222.
It can be understood that, along with the development of LCD, the energy consumption of the display device is more and more emphasized, the transflective LCD with low energy consumption is the current research direction, at present, the transflective LCD generally adopts a metal film layer to make the reflection part, the structure of the metal film layer is more complex, and the process of separately preparing the metal film layer is tedious, the manufacturing process includes a yellow light process and an etching process, and the cost is higher, therefore, the transflective LCD with a simpler manufacturing process needs to be designed, and the cost is reduced.
It should be noted that, when the color filter substrate 2 is manufactured, the Black matrix 221 and the opening 222 are manufactured first, then the transmissive color resist 2221 is formed in the opening 222 through a Yellow light process, and finally the reflective color resist 2222 is formed through an inkjet printing process, a projection of the transmissive color resist 2221 on the array substrate 4 and a projection of the reflective color resist 2222 on the array substrate 4 are not overlapped at all, a material of the transmissive color resist 2221 is a light-permeable material, such as an organic photoresist, and a material of the reflective color resist 2222 is a material capable of reflecting light, such as a printed Color (CMYK) ink; the backlight module 1 provides white light; the transmissive color resistance 2221 can transmit backlight light of the backlight module 1, the reflective color resistance 2222 can reflect ambient light, the sizes of the transmissive color resistance 2221 and the reflective color resistance 2222 can be adaptively adjusted according to a scene used by the display module, for example, if the display module is mostly used outdoors, the size of the reflective color resistance 2222 can be larger than the size of the transmissive color resistance 2221 when the display module is designed, the number of the reflective color resistance 2222 can be larger than the number of the transmissive color resistance 2221, i.e., the total area of the reflective color resistance 2222 for reflecting ambient light is larger than the total area of the transmissive color resistance 2221 for transmitting the backlight light, thereby sufficiently utilizing the ambient light to reduce the power consumption of the display module, if the display module is mostly used indoors, the size of the transmissive color resistance 2221 can be larger than the size of the reflective color resistance 2222 when the display module is designed, the number of the transmissive color resistance 2221 can be larger than the total area of the transmissive color resistance 2222 when the display module is designed, the transmissive color resistance 2221 can be larger than the total area of the transmissive color resistance 2222, i.e., the total area of the reflective color resistance 2222 can be larger than the total area of the transmissive color resistance 2222 when the display module is designed, thereby making the display module capable of the reflective color resistance 2221 usable in the display module usable in the transmissive color; the color film substrate further comprises a substrate 21 and a common electrode 23; the type of the display panel includes one of a Multi-domain Vertical Alignment (VA) type, a Twisted Nematic (TN) type, an In-Plane-Switching (IPS) type, and a Multi-domain Vertical Alignment (MVA) type, and the display panel of the VA type is taken as an example In the embodiment of the present application.
It is noted that the display module includes three modes: the display module comprises a full-reflection type display module, a full-transmission type display module and a semi-transmission and semi-reflection type display module, wherein when the light intensity of ambient light is higher, the backlight module 1 does not provide a light source, the light source of the display module is completely from the ambient light, the mode of the display module is the full-reflection type display module, when the ambient light and the backlight module 1 simultaneously provide the light source, the mode of the display module is the semi-transmission and semi-reflection type display module, when no ambient light exists in a dark condition, the light source of the display module is completely from the backlight module 1, and the mode of the display module is the full-transmission type display module; the light emitting mode of the display module adopts bottom emission, namely, one side of the array substrate, which is far away from the color film substrate 2, is used as the light emitting side A of the display module.
In some embodiments, referring to fig. 2 to fig. 4, the color filter substrate 2 includes a plurality of color resistors 223, one color resistor 223 is correspondingly disposed in one opening 222, and one color resistor 223 includes one transmissive color resistor portion 2221 and one reflective color resistor portion 2222.
It is understood that the array substrate 4 includes a plurality of data lines 481, a plurality of scan lines 482 and a plurality of thin film transistors 45, the plurality of data lines extend along a second direction Y and are arranged along a first direction X, the plurality of scan lines 482 extend along the first direction X and are arranged along the second direction Y, the first direction X is perpendicular to the second direction Y, and both the first direction X and the second direction Y are perpendicular to the direction of the color filter substrate 2 facing the array substrate 4, the plurality of data lines 481 and the plurality of scan lines 481 divide the array substrate 4 into a plurality of sub-regions 49, one of the openings 222 is located in one of the sub-regions 49, and one of the color resistors 223 is correspondingly located in one of the openings 222, one of the color resistors 223 includes one of the transmissive color resistors 2221 and one of the reflective color resistors 2222, one thin film transistor 45 controls the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to one sub-area 49, that is, the projection of one color resistor 223 on the array substrate 4 is located in one sub-area 49, which is equivalent to the projection of one transmissive color resistor 2221 on the array substrate 4 and the projection of one reflective color resistor 2222 on the array substrate 4 are located in the same sub-area 49, one thin film transistor 45 controls the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to one transmissive color resistor 2221 and one reflective color resistor 2222, in other words, when the display module is in transflective mode, the light transmittance of the transmissive color resistor 2221 is related to the light transmittance of the reflective color resistor 2222, for example, if the total area of the reflective color resistors 2222 is equal to the total area of the reflective color resistors 2222, that is, the transmittance of the transmissive color resist 2221 is equal to the transmittance of the reflective color resist 2222.
It should be noted that the color resistors 223 are arranged at intervals, that is, the black matrix 221 is arranged around the color resistors 223, the black matrix 221 is not arranged between one of the transmissive color resistor portions 2221 and one of the reflective color resistor portions 2222 included in one of the color resistors 223, and one of the transmissive color resistor portions 2221 and one of the reflective color resistor portions 2222 in one of the color resistors 223 are arranged adjacently.
In some embodiments, referring to fig. 5-7, a plurality of transmissive color resists 2221 and a plurality of reflective color resists 2222 are spaced apart, and one transmissive color resist 2221 or one reflective color resist 2222 is disposed in one opening 222.
It is understood that the array substrate 4 includes a plurality of data lines 481, a plurality of scan lines 482 and a plurality of thin film transistors 45, the plurality of data lines 481 extend along a second direction X and are arranged along a first direction Y, the plurality of scan lines 482 extend along the first direction X and are arranged along the second direction Y, the first direction X is perpendicular to the second direction Y, and the first direction X and the second direction Y are both perpendicular to the direction of the color filter substrate 2 facing the array substrate 4, the plurality of data lines 481 and the plurality of scan lines 482 divide the array substrate 4 into a plurality of sub-regions 49, one of the openings 222 is located in one of the sub-regions 49, one of the openings 222 is provided with one of the transmissive color resistors 2221 or one of the reflective color resistors 2222, one of the thin film transistors 45 controls the rotation of the liquid crystals in the liquid crystal layer 3 corresponding to one of the sub-regions 49, that is, the projection of one of the transmissive color resistor portions 2221 onto the array substrate 4 is located in one of the sub-regions 49, the projection of one of the reflective color resistor portions 2222 onto the array substrate 4 is located in the other sub-region 49, the projection of one of the transmissive color resistor portions 2221 onto the array substrate 4 and the projection of one of the reflective color resistor portions 2222 onto the array substrate 4 are not located in the same sub-region 49, the rotation of the liquid crystal layer 3 corresponding to one of the transmissive color resistor portions 2221 and the rotation of the liquid crystal layer 3 corresponding to one of the reflective color resistor portions 2222 are controlled differently from the thin film transistor 45, and the thin film transistor 45 controls the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to the transmissive color resistor portions 2221 and the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to the reflective color resistor portions 2222 separately, in other words, when the display module is in the transflective mode, the thin film transistor 45 can control the light transmittance of the transmissive color resistance 2221 and the light transmittance of the reflective color resistance 2222 respectively, which are not interfered with each other.
It should be noted that the transmissive color resist portions 2221 and the reflective color resist portions 2222 are arranged at intervals, that is, the black matrix 221 is arranged around each of the transmissive color resist portions 2221, and the black matrix 221 is arranged around each of the reflective color resist portions 2222.
In some embodiments, referring to fig. 1, the material of the reflective color resists 2222 comprises an ink material.
It is understood that the materials of the reflective color resist portions 2222 and the transmissive color resist portions 2221 are different, the material of the reflective color resist portions 2222 includes an ink material having a property of reflecting light, the ink material includes a pigment and some additives, for example, the material of the reflective color resist portions 2222 may include three or four of CMYK inks, that is, the material of the reflective color resist portions 2222 includes CMY inks or CMYK inks.
It should be noted that the reflective color resists 2222 are made by spraying a liquid material into the openings 222 by ink-jet printing and then curing the liquid material at a high temperature to form the reflective color resists 2222, so that the material of the color resists, including the ink material, means that the ink material has evaporated the solvent and some volatiles are in a solid form.
In some embodiments, referring to fig. 2 to fig. 3, the color filter substrate 2 includes a plurality of color resistor portions 224, and the plurality of color resistor portions 224 includes a plurality of transmissive color resistor portions 2221 and a plurality of reflective color resistor portions 2222; the plurality of color resist portions 224 includes a plurality of color resist portions 225 arranged along a first direction X, a color resist portion 225 includes a plurality of color resist portions 224 arranged along a second direction, and the first direction X is perpendicular to the second direction Y; along the first direction X, any two adjacent color resist portions 224 include one transmissive color resist portion 2221 and one reflective color resist portion 2222, and along the second direction Y, any two adjacent color resist portions 224 include one transmissive color resist portion 2221 and one reflective color resist portion 2222.
It can be understood that the color filter substrate 2 includes the black matrix 221 and the color resistor 224, the black matrix 221 includes a plurality of the openings 222, the color resistor 224 is located in one of the openings 222, the color resistor 224 includes a plurality of the transmissive color resistor 2221 and a plurality of the reflective color resistor 2222, the color resistor 224 includes a plurality of the color resistor sets 225 arranged along the first direction X, one of the color resistor sets 225 has only one color resistor 224 along the first direction X, one of the color resistor sets 225 includes a plurality of the transmissive color resistor 2221 and a plurality of the reflective color resistor 2222 extending along the second direction Y, two adjacent color resistors 224 in the same color resistor set 225 include one transmissive color resistor 2221 and one reflective color resistor 2222222222, that is, two adjacent color resistors 2221 and one reflective color resistor 2222 in the same color resistor set 225 include one transmissive color resistor 2221 and one reflective color resistor 2222222, that the transmissive color resistor 2221 and the reflective color resistor 2222 in the same color resistor set 225 are arranged alternately, and light emitted from any of the transmissive color display panel through the reflective color resistor 2221 and the reflective color resistor sets 2222, and the reflective color resistor sets 2221 and 2222 are arranged alternately, that are arranged along the direction X, and are favorable for realizing uniform light emission from any of the transmissive color display panel, and uniform emission from any of the reflective color resistor sets 2221 and the reflective color resistor sets 2222.
In some embodiments, referring to fig. 5 to fig. 7, the color filter substrate 2 includes a plurality of color resist portions 224, and the plurality of color resist portions 224 include a plurality of transmissive color resist portions 2221 and a plurality of reflective color resist portions 2222; the plurality of color resist portions 224 includes a plurality of color resist portions 225 arranged along a first direction X, and a color resist portion 225 includes a plurality of color resist portions 224 arranged along a second direction Y, the first direction X being perpendicular to the second direction Y; one color resistor group 225 includes a plurality of transmissive color resistor portions 2221 or a plurality of reflective color resistor portions 2222, and any two adjacent color resistor groups 225 include one color resistor group 225 including a plurality of transmissive color resistor portions 2221 and the other color resistor group 225 including a plurality of reflective color resistor portions 2222.
It is to be understood that the color filter substrate 2 includes the black matrix 221 and the color resistor 224, the black matrix 221 includes a plurality of the openings 222, one color resistor 224 is located in one opening 222, a plurality of the color resistors 224 include a plurality of the transmissive color resistors 2221 and a plurality of the reflective color resistors 2222, a plurality of the color resistors 224 include a plurality of the color resistor sets 225 arranged along the first direction X, one color resistor set 225 has only one color resistor 224 along the first direction X, one color resistor set includes a plurality of the transmissive color resistors 2221 or a plurality of the reflective color resistors 2222 extending along the second direction Y, that is, in the same color resistor set 225, a plurality of the color resistors 224 are the transmissive color resistors 2221 or a plurality of the color resistors 224 are the reflective color resistors 2222, and any two adjacent color resistor sets 225, one of the color resistor groups 225 includes a plurality of the transmissive color resistor portions 2221, the other color resistor group 225 includes a plurality of the reflective color resistor portions 2222, that is, along the first direction X, one of the reflective color resistor portions 2222 is disposed between any two adjacent transmissive color resistor portions 2221, and one of the transmissive color resistor portions 2221 is disposed between any two adjacent reflective color resistor portions 2222, along the second direction Y, any two adjacent color resistor portions 224 are the transmissive color resistor portions 2221 or any two adjacent color resistor portions 224 are the reflective color resistor portions 2222, that is, any one of the transmissive color resistor portions 2221 is adjacent to two of the reflective color resistor portions 2222 along the first direction X, any one of the reflective color resistor portions 2222 is adjacent to two of the transmissive color resistor portions 2221 along the first direction X, and any two adjacent color resistor portions 224 are the transmissive color resistor portions 2221 along the second direction Y, and any two adjacent color resistor portions 2221 are the transmissive color resistor portions 2221 or any two adjacent color resistor portions 224 are the transmissive color resistor portions 2221 along the second direction Y The reflective color resists 2222.
In some embodiments, referring to fig. 8-9, the plurality of reflective color resists 2222 includes a first color reflective color resist 2223, a second color reflective color resist 2224, and a third color reflective color resist 2225, the first color reflective color resist 2223 being cyan in color, the second color reflective color resist 2224 being magenta in color, and the third color reflective color resist 2225 being yellow in color; along the first direction X or the second direction Y, any two adjacent reflective color resists 2222 have different colors.
It can be understood that the plurality of reflective color resists 2222 includes the first color reflective color resist 2223, the second color reflective color resist 2224, and the third color reflective color resist 2225, the first color reflective color resist 2223 is cyan, the second color reflective color resist 2224 is magenta, the third color reflective color resist 2225 is yellow, that is, the ambient light is white light, the ambient light is reflected by the first color reflective color resist 2223 to generate cyan light, the ambient light is reflected by the second color reflective color resist 2224 to generate magenta light, and the ambient light is reflected by the third color reflective color resist 2225 to generate yellow light. In this embodiment, the reflective color resist portion 2222 may further include a fourth color reflective color resist portion, where the color of the fourth color reflective color resist portion is black, which is beneficial to improving the light leakage phenomenon when the display module is in a black state.
In this embodiment, along the first direction X or the second direction Y, the two adjacent reflective color resistor portions 2222 have different colors, that is, along the first direction X, any one of the first color reflective color resistor portions 2223 is not adjacent to any one of the second color reflective color resistor portions 2224, any one of the first color reflective color resistor portions 2223 is not adjacent to any one of the third color reflective color resistor portions 2225, any one of the second color reflective color resistor portions 2224 is not adjacent to any one of the third color reflective color resistor portions 2225, and along the second direction Y, any one of the first color reflective color resistor portions 2223 is not adjacent to any one of the second color reflective color resistor portions 2224, any one of the first color reflective color resistor portions 2223 is not adjacent to any one of the third color reflective color resistor portions 2225, and any one of the second color reflective color resistor portions 2224 is not adjacent to any one of the third color reflective color resistor portions 2225, so as to avoid that the reflective color resistors portions 2222 of the same color resistor portions 2222 are not concentrated in the color gamut display phenomenon.
In this embodiment, the transmissive color resists 2221 include a first transmissive color resist, a second transmissive color resist and a third transmissive color resist, where the first transmissive color resist is red, the second transmissive color resist is green, and the third transmissive color resist is blue.
It should be noted that, in the embodiment of the present application, CKYM ink is used to manufacture the reflective color resistor 2222, and the reflective color resistor 2222 absorbs some light with specific wavelength and reflects the light with non-absorbed wavelength, so as to realize the reflection of the reflective color resistor 2222 on the ambient light.
In some embodiments, referring to fig. 1, the display module includes a display area AA and a non-display area AZ adjacent to the display area AA, the array substrate 4 includes a photosensitive unit 46 located in the non-display area AZ, and the photosensitive unit 46 is configured to sense a light intensity of ambient light; the display module further comprises a processing module, and the processing module is respectively connected with the photosensitive unit 46 and the backlight module 1, and is used for receiving and adjusting the working state of the backlight module 1 according to the light intensity.
The processing module includes an Integrated Circuit (IC) chip, and the IC chip receives the input signal transmitted by the light sensing unit 46, analyzes the input signal, outputs a feedback signal, and transmits the feedback signal to the backlight module 1, so as to regulate and control the operating state of the backlight module 1.
It can be understood that the array substrate 4 includes the light sensing unit 46 located in the non-display area, the light sensing unit 46 senses the light intensity of the ambient light, the intensity of the light intensity affects the electrical signal of the light sensing unit 46, the processing module receives the electrical signal of the light sensing unit 46, analyzes the electrical signal and outputs a corresponding feedback signal to the backlight module 1, so as to regulate and control the working state of the backlight module 1. Specifically, when the light intensity is higher than a first threshold, the processing module outputs a corresponding feedback signal according to the electrical signal of the light sensing unit 46 and transmits the feedback signal to the backlight module 1, so as to control the backlight module 1 to be closed, thereby implementing a full-reflection mode of the display module, when the light intensity is lower than the first threshold and higher than a second threshold, the processing module outputs a corresponding feedback signal according to the electrical signal of the light sensing unit 46 and transmits the feedback signal to the backlight module 1, and outputs a corresponding feedback signal according to the electrical signal of the light sensing unit 46 and transmits the feedback signal to the backlight module 1, thereby controlling the backlight module 1 to provide light source intensity, thereby implementing a half-reflection mode of the display module, when the light intensity is lower than the second threshold, the processing module outputs a corresponding feedback signal according to the electrical signal of the light sensing unit 46 and transmits the feedback signal to the backlight module 1, thereby controlling the backlight module 1 to be opened, and the backlight module 1 provides a light source with sufficient intensity, thereby implementing a full-transmission mode of the display module.
In some embodiments, referring to fig. 5, the array substrate 4 includes a plurality of thin film transistors 45 in the display region, and the array substrate 4 further includes a substrate 41, a first metal layer, a second metal layer, and a semiconductor layer. The first metal layer is close to one side of the substrate 41 close to the liquid crystal layer 3, and the first metal layer comprises a gate 421 of the thin film transistor 45; the second metal layer is disposed on a side of the first metal layer close to the liquid crystal layer 3, and includes a source 431 and a drain 432 of the thin film transistor 45, and a first electrode 433 and a second electrode 434 of the light sensing unit 46. The semiconductor layer is disposed on a side of the second metal layer close to the liquid crystal layer 3, and includes an active layer 441 of the thin film transistor 45 and a photosensitive layer 442 of the photosensitive unit 46.
It is understood that the array substrate 4 includes a substrate 41, a first metal layer, a second metal layer, and a semiconductor layer, and a second metal layer, which are sequentially stacked facing the liquid crystal layer 3. The first metal layer includes the gate electrode 421 of the thin film transistor 45, the second metal layer includes the source and drain electrodes 431 and 432 of the thin film transistor 45 and the first and second electrodes 433 and 434 of the light sensing unit 46, and the semiconductor layer includes an active layer 441 of the thin film transistor 45 and the light sensing layer 442 of the light sensing unit 46. Specifically, the material of the photosensitive layer 442 and the active layer 441 may be manufactured through the same process, the source 431, the drain 432, the first electrode 433 and the second electrode 434 may be manufactured through the same process, ambient light irradiates on the photosensitive layer 442 to cause a change in resistance of the photosensitive layer 442, so that the electrical signal of the photosensitive layer 442 changes, and the processing module outputs a corresponding feedback signal according to the electrical signal of the photosensitive unit 46 to transmit to the backlight module 1, so as to control the operating state of the backlight module 1.
It should be noted that a first insulating layer is disposed between the first metal layer and the semiconductor layer, the first insulating layer may be a gate insulating layer, a second insulating layer is disposed on a side of the second metal layer facing the liquid crystal layer 3, the second insulating layer includes a passivation layer and a flat layer, a pixel electrode layer is disposed on a side of the second insulating layer away from the substrate 41, and the pixel electrode layer includes a plurality of pixel electrode blocks 47 disposed at intervals.
In some embodiments, referring to fig. 10, the method for manufacturing the display panel includes the following steps:
s10: providing a display panel, wherein the display panel comprises an array substrate 4 and a color film substrate 2 which are oppositely arranged, and a liquid crystal layer 3 formed between the array substrate 4 and the color film substrate 2, the array substrate 4 is formed on a light-emitting side a of the display panel, the color film substrate 2 comprises a plurality of transmissive color resistance portions 2221, a plurality of reflective color resistance portions 2222 and a black matrix 221, the black matrix 221 comprises a plurality of openings 222, and the plurality of transmissive color resistance portions 2221 and the plurality of reflective color resistance portions 2222 are formed in the openings 222;
specifically, referring to fig. 1, the color filter substrate 2 is provided with the black matrix 221, the black matrix 221 is provided with a plurality of openings 222, the transmissive color resistor 2221 is manufactured in the plurality of openings 222 through a yellow light process, and after the transmissive color resistor 2221 is manufactured, the reflective color resistor 2222 is manufactured through an inkjet printing process; the color film substrate 2 and the array substrate 4 are combined in a pair to form the liquid crystal layer 3 between the color film substrate 2 and the array substrate 4.
S20: and forming a backlight module 1 on one side of the display panel close to the color film substrate 2.
In the embodiment of the present application, by providing a plurality of transmissive color resists 2221 and a plurality of reflective color resists 2222 in opening 222, the transflective mode of the display module is realized, so that reflective color resists 2222 are formed by one inkjet printing process, and compared with the prior art in which a plurality of processes are used to prepare a metal film layer as a reflective portion, in the present application, the manufacturing process of reflective color resists 2222 is simpler, and the cost is saved.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A display module, comprising:
the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are oppositely arranged, the liquid crystal layer is positioned between the array substrate and the color film substrate, and the array substrate is positioned on the light emergent side of the display panel;
the backlight module is arranged on one side of the display panel close to the color film substrate;
the color film substrate comprises a plurality of transmission color resistance parts, a plurality of reflection color resistance parts and a black matrix, the black matrix comprises a plurality of openings, and the plurality of transmission color resistance parts and the plurality of reflection color resistance parts are arranged in the openings.
2. The display module of claim 1, wherein the color filter substrate comprises a plurality of color resistors, one of the color resistors is disposed in one of the openings, and one of the color resistors comprises one of the transmissive color resistor portions and one of the reflective color resistor portions.
3. The display module according to claim 1, wherein the plurality of transmissive color resists and the plurality of reflective color resists are spaced apart, and one of the transmissive color resists and one of the reflective color resists are disposed in one of the openings.
4. The display module of claim 1, wherein the material of the reflective color resist comprises an ink material.
5. The display module according to claim 1, wherein the color filter substrate comprises a plurality of color resist portions, and the plurality of color resist portions comprise a plurality of transmissive color resist portions and a plurality of reflective color resist portions;
the plurality of color resistance parts comprise a plurality of color resistance part groups arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts arranged along a second direction, and the first direction is vertical to the second direction;
along the first direction, any two adjacent color resistance parts comprise one transmission color resistance part and one reflection color resistance part, and along the second direction, any two adjacent color resistance parts comprise one transmission color resistance part and one reflection color resistance part.
6. The display module according to claim 1, wherein the color filter substrate comprises a plurality of color resist portions, and the plurality of color resist portions comprise a plurality of transmissive color resist portions and a plurality of reflective color resist portions;
the color resistance parts comprise a plurality of color resistance part groups arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts arranged along a second direction, and the first direction is vertical to the second direction;
the color resistance part group comprises a plurality of transmission color resistance parts or a plurality of reflection color resistance parts; in any two adjacent color resistance part groups, one color resistance part group comprises a plurality of transmission color resistance parts, and the other color resistance part group comprises a plurality of reflection color resistance parts.
7. The display module according to claim 5 or 6, wherein the plurality of reflective color resist portions comprise a first color reflective color resist portion, a second color reflective color resist portion and a third color reflective color resist portion, the first color reflective color resist portion has a cyan color, the second color reflective color resist portion has a magenta color, and the third color reflective color resist portion has a yellow color;
along the first direction or the second direction, the colors of any two adjacent reflection color resistance parts are different.
8. The display module according to claim 1, comprising a display area and a non-display area adjacent to the display area, wherein the array substrate comprises a photosensitive unit located in the non-display area, the photosensitive unit being configured to sense a light intensity of an ambient light;
the display module further comprises a processing module, and the processing module is respectively connected with the photosensitive unit and the backlight module and is used for receiving and adjusting the working state of the backlight module according to the light intensity.
9. The display module of claim 8, wherein the array substrate comprises a plurality of thin film transistors in the display area, and the array substrate further comprises:
a first metal layer is arranged on one side, close to the liquid crystal layer, of the substrate, and the first metal layer comprises a grid electrode of the thin film transistor;
the second metal layer is arranged on one side, close to the liquid crystal layer, of the first metal layer and comprises a source electrode and a drain electrode of the thin film transistor, and a first electrode and a second electrode of the light sensing unit of the source electrode;
and the semiconductor layer is arranged on one side of the second metal layer close to the liquid crystal layer and comprises an active layer of the thin film transistor and a photosensitive layer of the photosensitive unit.
10. A method for manufacturing a display module is characterized by comprising
Providing a display panel, wherein the display panel comprises an array substrate, a color film substrate and a liquid crystal layer, the array substrate and the color film substrate are oppositely arranged, the liquid crystal layer is formed between the array substrate and the color film substrate, the array substrate is formed on the light emergent side of the display panel, the color film substrate comprises a plurality of transmission color resistor portions, a plurality of reflection color resistor portions and a black matrix, the black matrix comprises a plurality of openings, and the plurality of transmission color resistor portions and the plurality of reflection color resistor portions are formed in the openings;
and forming a backlight module on one side of the display panel close to the color film substrate.
CN202210773968.2A 2022-07-01 2022-07-01 Display module and manufacturing method thereof Active CN115167029B (en)

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