CN115167029B - Display module and manufacturing method thereof - Google Patents
Display module and manufacturing method thereof Download PDFInfo
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- CN115167029B CN115167029B CN202210773968.2A CN202210773968A CN115167029B CN 115167029 B CN115167029 B CN 115167029B CN 202210773968 A CN202210773968 A CN 202210773968A CN 115167029 B CN115167029 B CN 115167029B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 113
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000010408 film Substances 0.000 claims description 54
- 230000000903 blocking effect Effects 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 29
- 239000010409 thin film Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 20
- 239000000976 ink Substances 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 8
- 239000003086 colorant Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 7
- 238000000034 method Methods 0.000 abstract description 18
- 238000007641 inkjet printing Methods 0.000 abstract description 6
- 238000002834 transmittance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application provides a display module and a manufacturing method thereof, wherein the display module comprises a display panel and a backlight module, the display panel comprises an array substrate and a color film substrate which are oppositely arranged, and a liquid crystal layer positioned between the array substrate and the color film substrate, the array substrate is positioned on the light emitting side of the display panel, 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 transmission color resistance parts and the reflection color resistance parts are arranged in the openings. The semi-transparent and semi-reflective mode of the display module is realized by arranging the plurality of transmission color resistance parts and the plurality of reflection color resistance parts in the opening, so that the reflection color resistance parts are manufactured through one ink-jet printing process.
Description
Technical Field
The application relates to the technical field of display, in particular to a display module and a manufacturing method thereof.
Background
Along with the development of liquid crystal display devices (Liquid Crystal Display, LCD), the energy consumption of the display devices is more and more emphasized, and the low-energy transflective LCD is a current research direction, and at present, the transflective LCD generally adopts a metal film layer to manufacture a reflective portion, the structure of the metal film layer is relatively complex, and the process for separately manufacturing the metal film layer is complex, and the manufacturing process includes a yellow light process and an etching process, so that the cost is relatively high.
Disclosure of Invention
The embodiment of the application provides a display module and a manufacturing method thereof, which are used for solving the technical problem of complicated manufacturing procedures of the existing semi-transparent and semi-reflective LCD.
The embodiment of the application provides a display module, which comprises:
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 emitting side of the display panel;
the backlight module is arranged on one side of the display panel, which is 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, wherein the black matrix comprises a plurality of openings, and the transmission color resistance parts and the reflection color resistance parts are arranged in the openings.
In the display module provided by the embodiment of the application, the color film substrate comprises a plurality of color resistors, one of the color resistors is correspondingly arranged in one of the openings, and one of the color resistors comprises the transmission color resistor part and the reflection color resistor part.
In the display module provided by the embodiment of the application, a plurality of the transmission color resistance parts and a plurality of the reflection color resistance parts are arranged at intervals, and one transmission color resistance part or one reflection color resistance part is arranged in one opening.
In the display module provided by the embodiment of the application, the material of the reflective color resistance part comprises an ink material.
In the display module provided by the embodiment of the application, the color film substrate comprises a plurality of color resistance parts, and the plurality of color resistance parts comprise a plurality of transmission color resistance parts and a plurality of reflection color resistance parts;
the plurality of color resistance parts comprise a plurality of color resistance part groups which are arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts which are arranged along a second direction, and the first direction and the second direction are perpendicular;
any two adjacent color blocking portions include one transmissive color blocking portion and one reflective color blocking portion along the first direction, and any two adjacent color blocking portions include one transmissive color blocking portion and one reflective color blocking portion along the second direction.
In the display module provided by the embodiment of the application, the color film substrate comprises a plurality of color resistance parts, and the plurality of color resistance parts comprise a plurality of transmission color resistance parts and a plurality of reflection color resistance parts;
the plurality of color resistance parts comprise a plurality of color resistance part groups which are arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts which are arranged along a second direction, and the first direction and the second direction are perpendicular;
one of the color resistance parts comprises a plurality of the transmission color resistance parts or a plurality of the 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 by the embodiment of the application, the plurality of reflective color-resisting parts comprise a first color reflective color-resisting part, a second color reflective color-resisting part and a third color reflective color-resisting part, wherein the color of the first color reflective color-resisting part is cyan, the color of the second color reflective color-resisting part is magenta, and the color of the third color reflective color-resisting part is yellow;
and along the first direction or the second direction, the colors of any two adjacent reflective color resistance parts are different.
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 which is respectively connected with the photosensitive unit and the backlight module and used for receiving and adjusting the working state of the backlight module according to the light intensity.
In the display module provided by the embodiment of the application, the array substrate includes a plurality of thin film transistors located in a display area, and the array substrate further includes:
a first metal layer is arranged on one side of the substrate, close to the liquid crystal layer, and 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, a first electrode and a second electrode of the photosensitive unit;
the semiconductor layer is arranged on one side, close to the liquid crystal layer, of the second metal 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 of
Providing a display panel, wherein 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 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 resistance parts, a plurality of reflection color resistance parts and a black matrix, the black matrix comprises a plurality of openings, and a plurality of transmission color resistance parts and a plurality of reflection color resistance parts are formed in the openings;
and forming a backlight module on one side of the display panel, which is close to the color film substrate.
The beneficial effects of the application are as follows: the application provides a display module and a manufacturing method thereof, and the display module is in a semi-transparent and semi-reflective mode by arranging a plurality of transmission color resistance parts and a plurality of reflection color resistance parts in an opening, so that the reflection color resistance parts can be manufactured through one ink-jet printing process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a display module according to an embodiment of the application;
FIG. 2 is a schematic diagram of a second cross-sectional structure of a display module according to an embodiment of the application;
FIG. 3 is a schematic view of a first cross-sectional structure at A-A in FIG. 2;
FIG. 4 is a schematic top view of a display module according to an embodiment of the application;
FIG. 5 is a schematic diagram of a third cross-sectional structure of a display module according to an embodiment of the application;
FIG. 6 is a schematic view of a first cross-sectional structure at B-B in FIG. 5;
FIG. 7 is a schematic top view of a second embodiment of a display module according to the present application;
FIG. 8 is a schematic view of a second cross-sectional structure shown at A-A in FIG. 2;
FIG. 9 is a schematic diagram showing a second cross-sectional structure at B-B in FIG. 5;
fig. 10 is a flowchart illustrating a method for manufacturing a display module according to an embodiment of the application.
Detailed Description
The technical solutions of 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 embodiments are only a group of embodiments of the present application, not the entire group of embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the application. In the description of the present application, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiment of the application provides a display module and a manufacturing method thereof. The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.
Referring to fig. 1 and 2, an embodiment of the present application provides a display module, including 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 oppositely arranged, 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 emitting side A of the display panel; the backlight module 1 is arranged on one side of the display panel, which is close to the color film substrate 2; the color film substrate 2 includes a plurality of transmissive color resists 2221, a plurality of reflective color resists 2222, and a black matrix 221, the black matrix 221 includes a plurality of openings 222, and the transmissive color resists 2221 and the reflective color resists 2222 are disposed in the openings 222.
It can be understood that, with the development of LCDs, the energy consumption of the display device is more and more emphasized, the low-energy transflective LCD is a 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, and the process of separately manufacturing the metal film layer is complex, and the manufacturing process includes a yellow light process and an etching process, so that the cost is high.
When the color film substrate 2 is manufactured, the black matrix 221 and the opening 222 are firstly manufactured, then the transmissive color resist portion 2221 is formed in the opening 222 through a yellow light process, and finally the reflective color resist portion 2222 is formed through an inkjet printing process, the projection of the transmissive color resist portion 2221 on the array substrate 4 is completely misaligned with the projection of the reflective color resist portion 2222 on the array substrate 4, the material of the transmissive color resist portion 2221 is a light-permeable material, such as an organic photoresist, and the material of the reflective color resist portion 2222 is a material capable of reflecting light, such as printing color (CyanMagenta Yellow Black; CMYK) ink; the backlight module 1 provides white light; the transmissive color resist portion 2221 may transmit backlight light of the backlight module 1, the reflective color resist portion 2222 may reflect ambient light, the sizes of the transmissive color resist portion 2221 and the reflective color resist portion 2222 may be adaptively adjusted according to a scene used by the display module, for example, if the display module is used outdoors, the size of the reflective color resist portion 2222 may be larger than the size of the transmissive color resist portion 2221 when the display module is designed, the number of the reflective color resist portions 2222 may be larger than the number of the transmissive color resist portions 2221, that is, the total area of the reflective color resist portion 2222 that may be used for reflecting ambient light is larger than the total area of the transmissive color resist portion 2221 that may be used for transmitting ambient light, the ambient light is fully utilized to reduce the power consumption of the display module, if the display module is used indoors, the size of the transmissive color resist portion 1 may be larger than the size of the reflective color resist portion 2 when the display module is designed outdoors, the number of the transmissive color resist portion 2221 may be larger than the total area of the transmissive color resist portion 2221 that may be used for transmitting ambient light, and the total area of the reflective color resist portion 2222 may be used for clearly displaying ambient light; the color film substrate further comprises a substrate 21 and a common electrode 23; the display panel may include one of a Multi-quadrant vertical alignment (Vertical Alignment, VA), a Twisted Nematic (TN), an In-Plane-Switching (IPS), and a Multi-quadrant vertical alignment (Multi-domain Vertical Alignment, MVA), and the VA display panel is described as an example In the embodiment of the present application.
It is noted that the display module includes three modes: the backlight module comprises a full inversion type, a full transmission type and a half transmission type, wherein when the light intensity of ambient light is high, 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 inversion type, when the ambient light and the backlight module 1 simultaneously provide the light source, the mode of the display module is the half transmission type, and when the ambient light is not present in dark conditions, 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; 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. 2-4, the color film substrate 2 includes a plurality of color resists 223, wherein one of the color resists 223 is disposed in one of the openings 222, and one of the color resists 223 includes one of the transmissive color resist portions 2221 and one of the reflective color resist portions 2222.
It is to be 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 and the second direction Y are perpendicular, and the first direction X and the second direction Y are perpendicular to a direction in which the color film substrate 2 faces 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-areas 49, one of the openings 222 is located in one of the sub-areas 49, and one of the color resists 223 is correspondingly disposed in one of the openings 222, one of the color resists 223 includes one of the transmissive color resists 2221 and one of the reflective color resists 2222, one of the thin film transistors 45 controls the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to one of the sub-regions 49, that is, the projection of one of the color resists 223 on the array substrate 4 is located in one of the sub-regions 49, which corresponds to the projection of one of the transmissive color resists 2221 on the array substrate 4 and the projection of one of the reflective color resists 2222 on the array substrate 4 being located in the same sub-region 49, one of the thin film transistors 45 controls the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to one of the transmissive color resists 2221 and one of the reflective color resists 2222, that is, when the display module is in the transflective mode, the light transmittance of the transmissive color resist 2221 is related to the light transmittance of the reflective color resist 2222, for example, if the total area of the reflective color resists 2222 and the total area of the reflective color resists 2222 are equal, that is, the light transmittance of the transmissive color resist 2221 is equal to the light transmittance of the reflective color resist 2222.
It should be noted that, the plurality of color resists 223 are disposed at intervals, that is, the black matrix 221 is disposed around the plurality of color resists 223, the black matrix 221 is not disposed between the transmissive color resist portion 2221 and the reflective color resist portion 2222 included in one of the color resists 223, and one of the transmissive color resist portion 2221 and the reflective color resist portion 2222 in one of the color resists 223 are disposed adjacently.
In some embodiments, referring to fig. 5-7, a plurality of the transmissive color resists 2221 and a plurality of the reflective color resists 2222 are disposed at intervals, and one transmissive color resist 2221 or one reflective color resist 2222 is disposed in one of the openings 222.
It is to be 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 and the second direction Y are perpendicular, and the first direction X and the second direction Y are perpendicular to a direction in which the color film substrate 2 faces 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-areas 49, one of the openings 222 is located in one of the sub-areas 49, one of the openings 222 is provided with one of the transmissive color resists 2221 or one of the reflective color resists 2222, one of the thin film transistors 45 controls rotation of liquid crystals in the liquid crystal layer 3 disposed corresponding to one of the sub-areas 49, corresponding to the projection of one transmissive color resist portion 2221 on the array substrate 4 being located in one of the sub-areas 49, the projection of one reflective color resist portion 2222 on the array substrate 4 being located in the other sub-area 49, the projection of one transmissive color resist portion 2221 on the array substrate 4 and the projection of one reflective color resist portion 2222 on the array substrate 4 not being located in the same sub-area 49, the rotation of the liquid crystal layer 3 corresponding to one transmissive color resist portion 2221 and the rotation of the liquid crystal layer 3 corresponding to one reflective color resist portion 2222 are controlled to be not the same thin film transistor 45, the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to the transmissive color resist portion 2221 and the rotation of the liquid crystal in the liquid crystal layer 3 corresponding to the reflective color resist portion 2222 are independently controlled by the thin film transistor 45, in other words, when the display module is in the half-transmissive mode, the thin film transistor 45 can control the light transmittance of the transmissive color resistor 2221 and the light transmittance of the reflective color resistor 2222, respectively, without interfering with each other.
The transmissive color resist portions 2221 and the reflective color resist portions 2222 are disposed at intervals, that is, the black matrix 221 is disposed around the transmissive color resist portions 2221, and the black matrix 221 is disposed around the reflective color resist portions 2222.
In some embodiments, referring to fig. 1, the material of the reflective color resist 2222 comprises an ink material.
It will be appreciated that the materials of the reflective color resist 2222 and the transmissive color resist 2221 are different, the material of the reflective color resist 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 2222 may include three or four of CMYK inks, that is, the material of the reflective color resist 2222 includes CMY ink or CMYK ink.
It should be noted that, when the reflective color resist portion 2222 is manufactured, a liquid material is sprayed into the opening 222 by inkjet printing and then cured at a high temperature to form the reflective color resist portion 2222, so that the material of the color resist portion includes an ink material, which means that the ink material has evaporated to the solvent and some volatiles take a solid state form.
In some embodiments, referring to fig. 2-3, the color film substrate 2 includes a plurality of color blocking portions 224, and the plurality of color blocking portions 224 includes a plurality of transmissive color blocking portions 2221 and a plurality of reflective color blocking portions 2222; the plurality of color resists 224 includes a plurality of color resists 225 arranged along a first direction X, and one of the color resists 225 includes a plurality of color resists 224 arranged along a second direction, wherein the first direction X and the second direction Y are perpendicular; any two adjacent color blocking portions 224 include a transmissive color blocking portion 2221 and a reflective color blocking portion 2222 along the first direction X, and any two adjacent color blocking portions 224 include a transmissive color blocking portion 2221 and a reflective color blocking portion 2222 along the second direction Y.
It can be appreciated that the color film substrate 2 includes the black matrix 221 and the color resists 224, the black matrix 221 includes a plurality of the openings 222, one of the color resists 224 is located in one of the openings 222, the plurality of the color resists 224 includes a plurality of the transmissive color resists 2221 and a plurality of the reflective color resists 2222, the plurality of the color resists 224 includes a plurality of the color resist groups 225 arranged along the first direction X, only one of the color resists 224 is located in the first direction X, one of the color resist groups 225 includes a plurality of the transmissive color resists 2221 and a plurality of the reflective color resists 2222 extending along the second direction Y, and two adjacent color resists 224 in the same color resist group 225 include one of the transmissive color resists 2221 and one of the reflective color resists 2222, that is, the transmissive color resists 2221 and the reflective color resists 2222 in the same color resist group 225 are alternately arranged, and, along the first direction X, any two adjacent color resists 224 include one transmissive color resist 2221 and one reflective color resist 2222, that is, the periphery of any one transmissive color resist 2221 is set as the reflective color resist 2222, the periphery of any one reflective color resist 2222 is set as the transmissive color resist 2221, and the uniform distribution of the transmissive color resists 2221 and the reflective color resists 2222 in the plurality of openings 222 is beneficial to the uniform emission of the light source provided by the backlight module 1 from the display panel through the transmissive color resists 2221, and the uniform emission of the ambient light from the display panel through the reflective color resists 2222, so as to realize the display uniformity of the display module.
In some embodiments, referring to fig. 5-7, the color film substrate 2 includes a plurality of color blocking portions 224, and the plurality of color blocking portions 224 includes a plurality of transmissive color blocking portions 2221 and a plurality of reflective color blocking portions 2222; the plurality of color resists 224 includes a plurality of color resists 225 arranged along a first direction X, and one of the color resists 225 includes a plurality of color resists 224 arranged along a second direction Y, wherein the first direction X and the second direction Y are perpendicular; one of the color resist groups 225 includes a plurality of transmissive color resist portions 2221 or a plurality of reflective color resist portions 2222, and one of the color resist groups 225 includes a plurality of transmissive color resist portions 2221, and the other color resist group 225 includes a plurality of reflective color resist portions 2222.
It can be understood that the color film substrate 2 includes the black matrix 221 and the color resist portions 224, the black matrix 221 includes a plurality of the openings 222, one of the color resist portions 224 is located in one of the openings 222, the plurality of color resist portions 224 includes a plurality of the transmissive color resist portions 2221 and a plurality of the reflective color resist portions 2222, the plurality of color resist portions 224 includes a plurality of the color resist portions 225 arranged along the first direction X, only one of the color resist portions 224 is located in the first direction X in one of the color resist portions 225, one of the color resist portions includes a plurality of the transmissive color resist portions 2221 or a plurality of the reflective color resist portions 2222 extending along the second direction Y, i.e., the plurality of color resist portions 224 in the same color resist portion 225 are the transmissive color resist portions 2221 or the plurality of the reflective color resist portions 2222, in addition, in any two adjacent color-blocking portion groups 225, one color-blocking portion group 225 includes a plurality of transmissive color-blocking portions 2221, and the other color-blocking portion group 225 includes a plurality of reflective color-blocking portions 2222, that is, in the first direction X, one reflective color-blocking portion 2222 is disposed between any two adjacent transmissive color-blocking portions 2221, and one transmissive color-blocking portion 2221 is disposed between any two adjacent reflective color-blocking portions 2222, in the second direction Y, any two adjacent color-blocking portions 224 are transmissive color-blocking portions 2221 or any two adjacent color-blocking portions 224 are reflective color-blocking portions 2222, in other words, any one transmissive color-blocking portion 2221 is adjacent to two reflective color-blocking portions 2222 in the first direction X, any one reflective color-blocking portion 2222 is adjacent to two transmissive color-blocking portions 1 in the first direction X, any two adjacent color blocking portions 224 along the second direction Y are the transmissive color blocking portions 2221 or any two adjacent color blocking portions 224 are the reflective color blocking portions 2222.
In some embodiments, referring to fig. 8-9, the plurality of reflective color-blocking portions 2222 includes a first color reflective color-blocking portion 2223, a second color reflective color-blocking portion 2224, and a third color reflective color-blocking portion 2225, wherein the first color reflective color-blocking portion 2223 is cyan, the second color reflective color-blocking portion 2224 is magenta, and the third color reflective color-blocking portion 2225 is yellow; the colors of any two adjacent reflective color resists 2222 are different along the first direction X or the second direction Y.
It is to 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 of the present application, the reflective color-blocking portion 2222 may further include a fourth color reflective color-blocking portion, where the color of the fourth color reflective color-blocking portion is black, which is favorable for improving the light leakage phenomenon when the display module is in the black state.
In the embodiment of the present application, the colors of any two adjacent reflective color resistors 2222 are different along the first direction X or the second direction Y, that is, any one of the first reflective color resistors 2223 is not adjacent to any one of the second reflective color resistors 2224 along the first direction X, any one of the first reflective color resistors 2223 is not adjacent to any one of the third reflective color resistors 2225, any one of the second reflective color resistors 2224 is not adjacent to any one of the third reflective color resistors 2225, and any one of the first reflective color resistors 2223 is not adjacent to any one of the second reflective color resistors 2224 along the second direction Y, any one of the first reflective color resistors 2223 is not adjacent to any one of the third reflective color resistors 2225, any one of the second reflective color resistors 2224 is not adjacent to any one of the third reflective color resistors 2225, and the color gamut of the adjacent to any one of the third reflective color resistors 2225 is not concentrated, thereby avoiding the color difference in the color distribution caused by the color difference between the adjacent reflective color resistors 2222.
In this embodiment of the present application, the plurality of transmissive color-blocking portions 2221 includes a first transmissive color-blocking portion, a second transmissive color-blocking portion, and a third transmissive color-blocking portion, where the first transmissive color-blocking portion is red, the second transmissive color-blocking portion is green, and the third transmissive color-blocking portion is blue.
It should be noted that, in the embodiment of the present application, CKYM ink is used to make the reflective color-blocking portion 2222, and the reflective color-blocking portion 2222 absorbs some light rays with specific wavelengths and reflects light rays with non-absorbed wavelengths, so as to implement reflection of ambient light by the reflective color-blocking portion 2222.
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 comprises an integrated circuit (Integrated Circuit Card, IC) chip, which receives the input signal transmitted by the photosensitive unit 46, analyzes the input signal and outputs a feedback signal, and transmits the feedback signal to the backlight module 1, so as to regulate the working 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 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 be transmitted to the backlight module 1, so as to regulate 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 photosensitive unit 46 to be transmitted to the backlight module 1, controls the backlight module 1 to be turned off, and 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 photosensitive unit 46 to be transmitted to the backlight module 1, controls the backlight module 1 to be turned on, and controls the backlight module 1 to provide a light source intensity according to the magnitude of the electrical signal of the photosensitive unit 46 to be transmitted to the backlight module 1, so as to realize a semi-transparent and semi-reflective mode of the display module, and 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 photosensitive unit 46 to be transmitted to the backlight module 1, controls the backlight module 1 to be turned on, and the backlight module 1 provides a light source with sufficient intensity, so as to realize a full-transparent 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 a display area, and the array substrate 4 further includes a substrate 41, a first metal layer, a second metal layer, and a semiconductor layer. A side of the first metal layer adjacent to the substrate 41 adjacent to the liquid crystal layer 3, the first metal layer including a gate electrode 421 of the thin film transistor 45; the second metal layer is disposed on a side of the first metal layer near the liquid crystal layer 3, and the second metal layer includes a source electrode 431 and a drain electrode 432 of the thin film transistor 45, and a first electrode 433 and a second electrode 434 of the photosensitive cell 46. The semiconductor layer is disposed on a side of the second metal layer near the liquid crystal layer 3, and the semiconductor layer 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 to face 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 electrode 431 and the drain electrode 432 of the thin film transistor 45, and the first electrode 433 and the second electrode 434 of the photosensitive cell 46, and the semiconductor layer includes the active layer 441 of the thin film transistor 45 and the photosensitive layer 442 of the photosensitive cell 46. Specifically, the material of the photosensitive layer 442 and the active layer 441 may be manufactured by the same process, the source 431, the drain 432, the first electrode 433 and the second electrode 434 may be manufactured by the same process, the resistance of the photosensitive layer 442 may be changed when the ambient light irradiates the photosensitive layer 442, so that the electrical signal of the photosensitive layer 442 may be changed, and the processing module outputs a corresponding feedback signal according to the electrical signal of the photosensitive unit 46 and transmits the feedback signal to the backlight module 1, so as to control the working 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 transmission color resistance parts 2221, a plurality of reflection color resistance parts 2222 and a black matrix 221, the black matrix 221 comprises a plurality of openings 222, and a plurality of transmission color resistance parts 2221 and a plurality of reflection color resistance parts 2222 are formed in the openings 222;
specifically, referring to fig. 1, the color film substrate 2 is provided with the black matrix 221, the black matrix 221 is provided with a plurality of openings 222, the transmissive color resist portion 2221 is manufactured in the plurality of openings 222 through a yellow light process, and after the transmissive color resist portion 2221 is manufactured, the reflective color resist portion 2222 is manufactured through an inkjet printing process; the color film substrate 2 and the array substrate 4 are combined 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, the transflective mode of the display module is realized by disposing the transmissive color resist portions 2221 and the reflective color resist portions 2222 in the opening 222, so that the reflective color resist portions 2222 are manufactured by one inkjet printing process.
The foregoing has outlined rather broadly the more detailed description of embodiments of the application, wherein the principles and embodiments of the application are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, the present description should not be construed as limiting the present application.
Claims (9)
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 emitting side of the display panel;
the backlight module is arranged on one side of the display panel, which is 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, wherein the black matrix comprises a plurality of openings, and the transmission color resistance parts and the reflection color resistance parts are arranged in the openings;
wherein the material of the reflective color resist part comprises three or four of CMYK inks.
2. The display module of claim 1, wherein the color film substrate comprises a plurality of color resistors, one of the color resistors is disposed in the opening, and one of the color resistors comprises one of the transmissive color resistor and one of the reflective color resistor.
3. The display module of claim 1, wherein a plurality of the transmissive color resists and a plurality of the reflective color resists are disposed at intervals, and one of the transmissive color resists or the reflective color resists is disposed in one of the openings.
4. The display module of claim 1, wherein the color film substrate comprises a plurality of color resists, the plurality of color resists comprising a plurality of transmissive color resists and a plurality of reflective color resists;
the plurality of color resistance parts comprise a plurality of color resistance part groups which are arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts which are arranged along a second direction, and the first direction is perpendicular to the second direction;
any two adjacent color blocking portions include one transmissive color blocking portion and one reflective color blocking portion along the first direction, and any two adjacent color blocking portions include one transmissive color blocking portion and one reflective color blocking portion along the second direction.
5. The display module of claim 1, wherein the color film substrate comprises a plurality of color resists, the plurality of color resists comprising a plurality of transmissive color resists and a plurality of reflective color resists;
the plurality of color resistance parts comprise a plurality of color resistance part groups which are arranged along a first direction, one color resistance part group comprises a plurality of color resistance parts which are arranged along a second direction, and the first direction is perpendicular to the second direction;
one of the color resistance parts comprises a plurality of the transmission color resistance parts or a plurality of the 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.
6. The display module of claim 4 or claim 5, wherein the plurality of reflective color barriers includes a first color reflective color barrier, a second color reflective color barrier, and a third color reflective color barrier, the first color reflective color barrier being cyan in color, the second color reflective color barrier being magenta in color, the third color reflective color barrier being yellow in color;
and along the first direction or the second direction, the colors of any two adjacent reflective color resistance parts are different.
7. The display module of claim 1, comprising 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 the ambient light;
the display module further comprises a processing module which is respectively connected with the photosensitive unit and the backlight module and used for receiving and adjusting the working state of the backlight module according to the light intensity.
8. The display module of claim 7, wherein the array substrate comprises a plurality of thin film transistors in a display area, the array substrate further comprising:
a first metal layer is arranged on one side of the substrate, close to the liquid crystal layer, and 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, a first electrode and a second electrode of the photosensitive unit;
the semiconductor layer is arranged on one side, close to the liquid crystal layer, of the second metal layer, and comprises an active layer of the thin film transistor and a photosensitive layer of the photosensitive unit.
9. A manufacturing method of a display module is characterized by comprising the following steps of
Providing a display panel, wherein 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 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 resistance parts, a plurality of reflection color resistance parts and a black matrix, the black matrix comprises a plurality of openings, and a plurality of transmission color resistance parts and a plurality of reflection color resistance parts are formed in the openings;
forming a backlight module on one side of the display panel, which is close to the color film substrate;
wherein the material of the reflective color resist part comprises three or four of CMYK inks.
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| CN115167029A (en) | 2022-10-11 |
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