CN117490028A - Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device - Google Patents

Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device Download PDF

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Publication number
CN117490028A
CN117490028A CN202310344734.0A CN202310344734A CN117490028A CN 117490028 A CN117490028 A CN 117490028A CN 202310344734 A CN202310344734 A CN 202310344734A CN 117490028 A CN117490028 A CN 117490028A
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CN
China
Prior art keywords
sub
light emitting
main body
substrate
protruding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310344734.0A
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Chinese (zh)
Inventor
陈璐
刘琼
辛武根
曹丹
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Suzhou China Star Optoelectronics Technology Co Ltd
Original Assignee
Suzhou China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou China Star Optoelectronics Technology Co Ltd filed Critical Suzhou China Star Optoelectronics Technology Co Ltd
Priority to CN202310344734.0A priority Critical patent/CN117490028A/en
Publication of CN117490028A publication Critical patent/CN117490028A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The embodiment of the application discloses a lamp panel, a manufacturing method thereof, a backlight module and a liquid crystal display device; the lamp panel comprises a substrate, a light emitting unit and a control unit for controlling the light emitting unit, wherein the substrate comprises a connecting part and a plurality of main body parts, each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a main body sub-part and a plurality of protruding sub-parts connected with the main body sub-part, the plurality of protruding sub-parts are arranged on the side edge of the main body sub-part in a protruding mode, at least part of the protruding sub-parts are provided with the light emitting unit or the control unit, and at least part of the main body sub-parts are correspondingly provided with the control unit or the light emitting unit; according to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.

Description

Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device
Technical Field
The application relates to the field of display, in particular to a lamp panel, a manufacturing method thereof, a backlight module and a liquid crystal display device.
Background
The liquid crystal display device comprises a liquid crystal display panel, a backlight module and other structures, in order to reduce the cost of the lamp panel of the backlight module, the opposite-plug type lamp panel is commonly adopted in the prior art, and is obtained by manufacturing a plurality of lamp panels on the same substrate and cutting, so that the cost is reduced, but the distance between the light emitting units on the conventional opposite-plug type lamp panel is larger, the lamp shadow problem is easy to occur, and the opposite-plug type lamp panel is difficult to be suitable for display products with smaller thickness.
Therefore, a lamp panel, a manufacturing method thereof, a backlight module and a liquid crystal display device are needed to solve the above-mentioned problems.
Disclosure of Invention
The application provides a lamp panel and a manufacturing method thereof, a backlight module and a liquid crystal display device, and the technical problems that the distance between current light-emitting units is large and the manufacturing cost is high can be relieved.
The application provides a lamp plate, include:
the substrate comprises a connecting part and a plurality of main body parts, wherein each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a body sub-part and a plurality of protruding sub-parts connected with the body sub-part, and the protruding sub-parts are arranged on the side edge of the body sub-part in a protruding mode;
the light emitting device comprises a light emitting unit and a control unit for controlling the light emitting unit, wherein at least part of the convex sub-parts are provided with the light emitting unit or the control unit, and at least part of the main body sub-parts are correspondingly provided with the control unit or the light emitting unit.
In some embodiments, in the same main body portion, a concave sub-portion is formed between two adjacent convex sub-portions, and the contour of the convex sub-portion and the contour of the concave sub-portion are the same.
In some embodiments, the profile of the tab portion is triangular, quadrilateral, or convex.
In some embodiments, the projection is contoured in a convex shape, the projection including a first sub-portion and a second sub-portion connecting the first sub-portion with the body sub-portion.
In some embodiments, the light emitting unit or the control unit is disposed at an intersection of the first sub-portion and the second sub-portion.
In some embodiments, the light emitting unit is a Mini LED and the control unit is a driver chip.
In some embodiments, the ratio of the number of light emitting units to the number of control units on the substrate is between 1 and 4.
The embodiment of the application also provides a manufacturing method of the lamp panel, which comprises the following steps:
providing a first substrate;
forming a light emitting device part including a control unit and a light emitting unit on the first substrate;
dividing the first substrate into at least two second substrates;
the second substrate comprises a connecting part and a plurality of main body parts, wherein each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a main body sub-part and a plurality of protruding sub-parts connected with the main body sub-part, the protruding sub-parts are arranged on the side edge of the main body sub-part in a protruding mode, at least part of the protruding sub-parts are provided with the light emitting units or the control units, and at least part of the main body sub-parts are correspondingly provided with the control units or the light emitting units.
The embodiment of the application also provides a backlight module, which comprises:
a back plate;
the lamp panel is fixed on the back plate, and is any one of the lamp panels or manufactured by the manufacturing method of the lamp panels;
and the light diffusion plate is arranged on the lamp panel.
The embodiment of the application also provides a liquid crystal display device, which comprises any one of the backlight module and the liquid crystal display panel.
The beneficial effects of the application are that: according to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.
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 introduced 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 view of a first structure of a lamp panel according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a second structure of a lamp panel according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a third structure of a lamp panel according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a fourth structure of a lamp panel according to an embodiment of the present disclosure;
fig. 5 is a schematic view of a fifth structure of a lamp panel according to an embodiment of the present disclosure;
fig. 6 is a schematic view of a sixth structure of a lamp panel according to an embodiment of the present disclosure;
fig. 7 is a flowchart of steps of a method for manufacturing a lamp panel according to an embodiment of the present disclosure;
fig. 8A to 8B are schematic flow diagrams of a method for manufacturing a lamp panel according to an embodiment of the present disclosure;
FIG. 9 is a block diagram of an opposite plug-in lamp panel in a prior art manufacturing process;
fig. 10 is a schematic structural diagram of a backlight module according to an embodiment of the present disclosure;
fig. 11 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present application.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The liquid crystal display device comprises a liquid crystal display panel, a backlight module and other structures, in order to reduce the lamp panel cost of the backlight module, the opposite-plug type lamp panel is commonly adopted in the prior art, but the interval between the light emitting units on the opposite-plug type lamp panel is larger, so that the problem of lamp shadow is easy to occur, and the liquid crystal display device is more difficult to be suitable for display products with smaller thickness.
Referring to fig. 1 to 6, an embodiment of the present application provides a lamp panel 100, including:
the substrate 200, the substrate 200 includes a connection portion 300 and a plurality of main body portions 400, each main body portion 400 is disposed on a side of the connection portion 300 in a protruding manner, the main body portion 400 includes a main body sub-portion 410 and a plurality of protruding sub-portions 420 connected to the main body sub-portion 410, and the plurality of protruding sub-portions 420 are disposed on the side of the main body sub-portion 410 in a protruding manner;
a light emitting unit 510 and a control unit 520 for controlling the light emitting unit 510, at least a part of the convex sub-portion 420 is provided with the light emitting unit 510 or the control unit 520, and at least a part of the body sub-portion 410 is provided with the light emitting unit 510 or the control unit 520.
According to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.
The technical solutions of the present application will now be described with reference to specific embodiments.
In this embodiment, referring to fig. 1, 2 and 3, the substrate 200 includes a connection portion 300 and a plurality of main portions 400, each main portion 400 is disposed on a side of the connection portion 300 in a protruding manner, the main portion 400 includes a main portion 410 and a plurality of protruding sub-portions 420 connected to the main portion 410, and the plurality of protruding sub-portions 420 are disposed on the side of the main portion 410 in a protruding manner; a light emitting unit 510 and a control unit 520 for controlling the light emitting unit 510, at least a part of the convex sub-portion 420 is provided with the light emitting unit 510 or the control unit 520, and at least a part of the body sub-portion 410 is provided with the light emitting unit 510 or the control unit 520.
Each main body 400 is connected to the connecting portion 300 and is disposed at the same side of the connecting portion 300 at intervals; the main body 400 includes a main body sub-portion 410 and a plurality of protruding sub-portions 420 connected with the main body sub-portion 410, the plurality of protruding sub-portions 420 are located at the same side corresponding to the main body sub-portion 410, the light emitting unit 510 and the control unit 520 form a light emitting device portion 500, the main body sub-portion 410 and at least part of the protruding sub-portions 420 are correspondingly provided with the light emitting device portion 500, an extending direction of the main body sub-portion 410 is parallel to a first direction, a protruding direction of the protruding sub-portions 420 is parallel to a second direction, and an included angle is formed between the first direction and the second direction.
Referring to fig. 1 and 2, the lamp panel 100 may include at least one substrate 200, or referring to fig. 3, the number of the substrates may be two or more, and may be adjusted according to the process dimension or parameter requirements.
For example, the lamp panel 100 includes at least two substrates 200 disposed in alignment, the two substrates 200 are divided by a first substrate 201, and for convenience of description, a left substrate 210 and a right substrate 220 are described herein, where a first direction is parallel to an X-axis direction, and a second direction is parallel to a Y-axis direction.
In the manufacturing process, referring to fig. 8A and 8B, the first substrate 201 is divided to form a left substrate 210 and a right substrate 220, and the left substrate 210 and the right substrate 220 each include a main body portion 400 extending along the first direction, and the main body portions 400 of the left substrate 210 and the right substrate 220 are correspondingly disposed along the first direction.
If the protrusion 420 is not provided, referring to fig. 9, fig. 9 is a block diagram of a plug-in type light panel manufactured in the prior art, the third substrate 1000 is divided to form a third left substrate 2100 and a third right substrate 2200, each of the third left substrate 2100 and the third right substrate 2200 includes a plurality of body portions 3200 extending along the first direction and a connecting portion 3100 extending along the second direction, and the plurality of body portions 3200 are connected to the connecting portion 3100. The main body portion 3200 of the third left substrate 2100 and the main body portion 3200 of the third right substrate 2200 are disposed to correspond to each other in the first direction. The light emitting units 4100 and 4200 on the main body 3100 cannot fully utilize the area of the third substrate 1000, for example, the control unit 4200 of the third left substrate 2100 cannot penetrate into the main body 3200 of the third right substrate 2200, and a region (denoted by reference numeral 1001) between two adjacent rows of light emitting units 4100 of the third right substrate 2200 is wasted. Referring to fig. 8A and 9, the protrusion 420 is formed at a distance d1 between two adjacent light emitting units 510 in the second direction, and the protrusion 420 is not formed at a distance d2 between two adjacent light emitting units 4100 in the second direction.
The main body part 400 includes a main body sub-part 410 and a protrusion sub-part 420, the main body sub-part 410 extends along a first direction, the protrusion sub-part 420 protrudes along a second direction, similar to a fish bone, the space occupied by the left substrate 210 or the right substrate 220 in the second direction can be increased by using the protrusion sub-part 420, thereby reducing the distance between two adjacent light emitting device parts 500 of two adjacent main body parts 400 in the second direction, and reducing the distance between the light emitting device parts 500 of two adjacent main body parts 400, compared with fig. 8A and 9, d1 is smaller than d2, the first substrate 201 of one manufacturing substrate can be divided into two light emitting substrates arranged in two areas, the manufacturing cost is reduced, the space of the light emitting units 510 is reduced by using a lower process difficulty, the material cost of the manufactured substrate is reduced, and the light emitting effect is improved.
In some embodiments, referring to fig. 3, two adjacent substrates 200 are disposed at intervals, the lamp panels 100 may not be connected in a spliced manner, so that the flow of the splicing process is reduced and the production efficiency is improved while the brightness of the emitted light is ensured.
In some embodiments, referring to fig. 3, the first direction is perpendicular to the second direction. The arrangement is more regular, and the manufacture and the circuit wiring are convenient.
In some embodiments, referring to fig. 3, in the same main body 400, a concave sub-portion 430 is formed between two adjacent convex sub-portions 420; wherein the convex sub-portion 420 and the concave sub-portion 430 have the same profile.
The convex sub-portion 420 and the concave sub-portion 430 have the same contour, and the contour may be the same for the convex sub-portion 420 and the concave sub-portion 430 of the same substrate; the profiles of the convex sub-portion 420 and the concave sub-portion 430 corresponding to the two substrates may be the same, for example, in the manufacturing method, the first substrate is divided into two substrates, and the profile of the convex sub-portion 420 of one substrate 200 corresponds to the profile of the concave sub-portion 430 of the other substrate 200. In the manufacturing process, the first substrate 201 is divided to form a left substrate 210 and a right substrate 220, and the convex sub-portion 420 of the left substrate 210 corresponds to the concave sub-portion 430 of the right substrate 220; in the same substrate 200, in the second direction, two adjacent protruding sub-portions 420 correspond to each other, two adjacent recessed sub-portions 430 correspond to each other, and the two adjacent protruding sub-portions 420 can reduce the pitch of the light emitting device portion 500 between two adjacent main body portions 400, so that the pitch of the light emitting units 510 is reduced with lower process difficulty, the manufacturing material cost is reduced, and the light emitting effect is improved.
In some embodiments, referring to fig. 3, the light emitting device part 500 includes a light emitting unit 510 and a control unit 520 corresponding to the light emitting unit 510. The light emitting unit 510 may be a Mini LED, and the control unit 520 may be a driving chip. Preferably, the number ratio of the light emitting units 510 to the control units 520 on the substrate is between 1 and 4, that is, 1 driving chip can control 1 to 4 LED lamp beads on average.
In the same main body 400, each of the light emitting units 510 is arranged along the first direction, and each of the control units 520 is arranged along the first direction. The light emitting device part 500 is provided on each of the main body part 400 and the connection part 300.
The light emitting unit 510 is disposed on the body sub-portion 410, and the control unit 520 is disposed on the protrusion sub-portion 420; alternatively, the light emitting unit 510 is disposed on the protruding sub-portion 420, and the control unit 520 is disposed on the body sub-portion 410. Both the two setting modes can reduce the distance between two adjacent main body parts 400 and two adjacent light emitting device parts 500 in the second direction, so that the distance between two adjacent main body parts 400 and the distance between two adjacent light emitting units 510 are reduced, the distance between the light emitting units 510 is reduced with lower process difficulty, the manufacturing material cost is reduced, and the light emitting effect is improved.
In some embodiments, referring to fig. 3, the light emitting device part 500 includes a light emitting unit 510 and a control unit 520 corresponding to the light emitting unit 510; wherein at least part of the protruding sub-portions 420 are correspondingly provided with the control units 520, and at least part of the body sub-portions 410 are correspondingly provided with the light emitting units 510.
Referring to fig. 3, one of the control units 520 may control one of the light emitting units 510; alternatively, referring to fig. 6, one control unit 520 may control a plurality of the light emitting units 510, and the plurality of light emitting units 510 are connected in series, so that the number of the control units 520 may be reduced, and thus, in this structure, the control units 520 need to be disposed on the protrusion portion 420, so as to facilitate routing of the driving circuit 600.
In some embodiments, referring to fig. 1 and 2, the profile of the protrusion 420 is any one of triangle, quadrangle or convex.
In some embodiments, referring to fig. 4, the profile of the protruding sub-portion 420 is in a convex shape, the protruding sub-portion 420 includes a first sub-portion 421 and a second sub-portion 422, and the second sub-portion 422 connects the first sub-portion 421 and the main body sub-portion 410.
The width of the first sub-portion 421 in the first direction is smaller than the width of the second sub-portion 422 in the first direction. The profile of the convex sub-portion 420 of one substrate 200 corresponds to the profile of the concave sub-portion 430 of another substrate 200, for example, the width of the first sub-portion 421 of the main body portion 400 of the left substrate 210 is set to be slightly narrower, and the less the portion of the main body portion 400 of the corresponding right substrate 220 is removed by the concave sub-portion 430, so as to ensure the strength of the main body portion 400 of the right substrate 220, avoid the main body portion 400 from breaking, and ensure the quality of the lamp panel 100; meanwhile, the main body 400 of the right substrate 220 has a larger area, increases the line width of the driving line 600, and has more space for running lines, thereby facilitating the wiring.
In some embodiments, referring to fig. 4, the light emitting unit 510 or the control unit 520 is disposed at the junction of the first sub-portion 421 and the second sub-portion 422.
The control unit 520 has a certain distance from the outer contour of the first sub-portion 421, so that the driving circuit 600 can be conveniently arranged, more space is available for wiring, and wiring is convenient.
In some embodiments, the light emitting unit 510 is a Mini LED, and the control unit 520 is a driving chip.
In some embodiments, the ratio of the number of the light emitting units 510 to the control units 520 on the substrate 200 is between 1 and 4. One of the control units 520 may control one of the light emitting units 510; alternatively, one of the control units 520 may control both of the light emitting units 510; alternatively, one of the control units 520 may control three of the light emitting units 510; alternatively, one of the control units 520 may control four of the light emitting units 510.
In some embodiments, referring to fig. 5, the control unit 520 is disposed on the first sub-portion 421 and disposed outside the second sub-portion 422.
The control unit 520 is disposed on the first sub-portion 421, so that the light emitting unit 510 may be close to the control unit 520, or the size of the second sub-portion 422 may be reduced, and the width of the main body sub-portion 410 in the second direction may be reduced, so that the space between the light emitting units 510 between two adjacent main body portions 400 may be reduced, the space between the light emitting units 510 may be reduced with lower process difficulty, the manufacturing material cost may be reduced, and the light emitting effect may be improved.
In some embodiments, referring to fig. 6, the lamp panel 100 further includes a driving circuit 600 disposed on the substrate 200, and the driving circuit 600 connects the light emitting unit 510 and the control unit 520; the first sub-portion 421 and the second sub-portion 422 are provided with a part of the driving circuit 600.
The protrusion 420 may have a larger space for arranging the driving circuit 600, and more space for running wires, so as to facilitate the wire arrangement.
In some embodiments, referring to fig. 3 and 4, the paths of the driving circuits 600 on the convex sub-portion 420 and the concave sub-portion 430 correspond to the contour of the convex sub-portion 420 and the contour of the concave sub-portion 430.
The path of the driving circuit 600 corresponds to the outline, which is beneficial to the circuit to be more regular and avoids the complex processes of wire jumper and the like caused by the staggered circuit.
In some embodiments, the light panel 100 includes a layer of drive circuitry including the drive circuitry 600.
The driving circuit 600 may be a single-layer arrangement, and when a need for line crossing occurs, the driving circuit layer includes line crossing terminals, the line crossing terminals are made of insulating materials, and the line crossing terminals are arranged in a region needing line crossing, so that different driving circuits 600 are arranged on the upper side and the lower side of the line crossing terminals in an insulating manner; or the driving circuit 600 may be a double-layer arrangement, where the driving circuit layer includes an insulating layer when a need for line crossing is met, and the driving circuit 600 performs a different-layer jumper arrangement through a via hole on the insulating layer.
In some embodiments, referring to fig. 3, the protruding sub-portions 420 of the same substrate 200 protrude in the same direction, and the protruding sub-portions 420 of one substrate 200 protrude in the opposite direction to the protruding sub-portions 420 of another substrate 200.
The protruding sub-portion 420 is provided with a regular direction, which is beneficial to the regular arrangement of the flat cable and the related components.
In some embodiments, the distance between two adjacent light emitting units 510 of two of the substrates 200 is equal to the distance between two adjacent light emitting units 510 on the body 400 within any one of the substrates 200. The brightness of the splice gap between the left substrate 210 and the right substrate 220 is prevented from varying.
According to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.
Referring to fig. 7, the embodiment of the present application further provides a method for manufacturing a lamp panel 100, including:
s100, a first substrate 201 is provided, please refer to FIG. 8A.
S200, a light emitting device part 500 including a control unit 520 and a light emitting unit 510 is formed on the first substrate 201, see fig. 8A.
S300, divide the first substrate 201 into two second substrates 202, please refer to FIG. 8B.
The substrate 200 includes a connection portion 300 and a plurality of main portions 400, each main portion 400 is disposed on a side of the connection portion 300 in a protruding manner, the main portion 400 includes a main portion 410 and a plurality of protruding sub-portions 420 connected to the main portion 410, the plurality of protruding sub-portions 420 are disposed on the side of the main portion 410 in a protruding manner, at least part of the protruding sub-portions 420 are provided with the light emitting unit 510 or the control unit 520, and at least part of the main portion 410 is provided with the light emitting unit 510 or the control unit 520.
According to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.
The technical solutions of the present application will now be described with reference to specific embodiments.
In the manufacturing process, the first substrate 201 is divided to form two second substrates, and here, the left substrate 210 and the right substrate 220 are described as an example, and each of the left substrate 210 and the right substrate 220 includes a main body portion 400 extending along the first direction, and the main body portion 400 of the left substrate 210 and the main body portion 400 of the right substrate 220 are correspondingly disposed along the first direction.
The main body part 400 includes a main body sub-part 410 and a protrusion sub-part 420, the main body sub-part 410 extends along a first direction, the protrusion sub-part 420 protrudes along a second direction, similar to a fish bone, the space occupied by the left substrate 210 or the right substrate 220 in the second direction can be increased by using the protrusion sub-part 420, thereby reducing the distance between two adjacent light emitting device parts 500 of two adjacent main body parts 400 in the second direction, reducing the distance between the light emitting device parts 500 of two adjacent main body parts 400, and the light emitting substrate which can be divided into two areas is arranged by using one manufacturing substrate, the manufacturing cost is reduced, the distance between the light emitting units 510 is reduced by using lower process difficulty, and the light emitting effect is improved while the material cost of the manufactured substrate is reduced.
In some embodiments, before step S200, further comprises: a driving circuit layer is formed on the first substrate 201.
In some embodiments, referring to fig. 8A, before the first substrate 201 is divided, the protrusion 420 of one of the two substrates 200 (e.g., the left substrate 210) is disposed between two adjacent protrusions 420 of the other substrate 200 (e.g., the right substrate 220) in the two substrates 200 corresponding to the first substrate 201.
Referring to fig. 9, compared with the structure of the third substrate 1000 without the protrusion 420, the protrusion 420 of one substrate 200 can fully utilize the space of the other substrate 200, and can increase the space occupied by the left substrate 210 or the right substrate 220 in the second direction, thereby reducing the distance between two adjacent light emitting devices 500 in the second direction of two adjacent main body portions 400, and reducing the distance between two adjacent light emitting devices 500 in the second direction of two main body portions 400, and compared with fig. 9, d1 is smaller than d2, the first substrate 201 is manufactured by one manufacturing substrate, and can be divided into two light emitting substrates arranged in two areas, thereby reducing the manufacturing cost, reducing the space between the light emitting units 510 with lower process difficulty, reducing the material cost of the manufactured substrate, and improving the light emitting effect.
In some embodiments, referring to fig. 4, the light emitting unit 510 or the control unit 520 is disposed at the junction of the first sub-portion 421 and the second sub-portion 422.
The control unit 520 has a certain distance from the outer contour of the first sub-portion 421, so that the driving circuit 600 can be conveniently arranged, more space is available for wiring, and wiring is convenient.
In some embodiments, referring to fig. 3, in the same main body 400, a concave sub-portion 430 is formed between two adjacent convex sub-portions 420; wherein the convex sub-portion 420 and the concave sub-portion 430 have the same profile.
In some embodiments, referring to fig. 3, the light emitting device part 500 includes a light emitting unit 510 and a control unit 520 corresponding to the light emitting unit 510; the protruding sub-portion 420 is correspondingly provided with the control unit 520, and the main body sub-portion 410 is correspondingly provided with the light emitting unit 510.
In some embodiments, referring to fig. 4, the protruding sub-portion 420 includes a first sub-portion 421 and a second sub-portion 422, and the second sub-portion 422 connects the first sub-portion 421 and the main body sub-portion 410; wherein the width of the first sub-portion 421 in the first direction is smaller than the width of the second sub-portion 422 in the first direction.
In some embodiments, referring to fig. 5, the control unit 520 is disposed on the first sub-portion 421 and disposed outside the second sub-portion 422.
In some embodiments, referring to fig. 6, the lamp panel 100 further includes a driving circuit 600 disposed on the substrate 200, and the driving circuit 600 connects the light emitting unit 510 and the control unit 520; the first sub-portion 421 and the second sub-portion 422 are provided with a part of the driving circuit 600.
In some embodiments, referring to fig. 3, the paths of the driving circuits 600 on the convex sub-portion 420 and the concave sub-portion 430 correspond to the contour of the convex sub-portion 420 and the contour of the concave sub-portion 430.
In some embodiments, referring to fig. 3, the protruding sub-portions 420 of the same substrate 200 protrude in the same direction, and the protruding sub-portions 420 of one substrate 200 protrude in the opposite direction to the protruding sub-portions 420 of another substrate 200.
According to the light-emitting diode package, the main body of the substrate is optimized, the convex sub-portion is arranged in the direction perpendicular to the extending direction of the main body sub-portion, the light-emitting device portion can be arranged on the convex sub-portion, so that the distance between the light-emitting device portions between two adjacent main body portions is reduced, the distance between the light-emitting units is reduced with lower process difficulty, the manufacturing material cost is reduced, and meanwhile, the light-emitting effect is improved.
Referring to fig. 10, the embodiment of the present application further provides a backlight module 10, including:
a back plate 20;
the lamp panel 100, the lamp panel 100 is fixed on the back plate 20, and the lamp panel 100 is any one of the lamp panels 100 or is manufactured by any manufacturing method;
and a light diffusion plate 30, wherein the light diffusion plate 30 is disposed on the lamp panel 100.
The specific structure of the light panel 100 is shown in any of the embodiments of the light panel 100 and the drawings, and will not be described herein.
In some embodiments, the backlight module 10 may be applied to MNT module design, and because the thickness is thinner, the cavity height is smaller, and if the pitch of the light emitting units 510 is too large, the light shadow problem may occur.
Specifically, the lamp panel 100 in this embodiment is fixed to the back plate 20, where the fixing may be bolt fixing or adhesive fixing, which is not difficult for those skilled in the art to achieve, and will not be repeated here; after the light panel 100 is fixed on the back plate 20, the light diffusion plate 30 is covered on the side of the light panel 100 facing away from the back plate 20, and the optical film 40 is covered on the side of the light diffusion plate 30 facing away from the back plate 20, where the arrangement of the light diffusion plate 30 and the optical film 40 is not difficult to achieve or understand by those skilled in the art, and will not be repeated herein.
Referring to fig. 11, the embodiment of the present application further provides a liquid crystal display device 1, which includes the backlight module 10 and the liquid crystal display panel 2.
In some embodiments, the liquid crystal display device 1 further includes a device body 3, and the device body 3 is combined with the backlight module 10 and the liquid crystal display panel 2 into a whole.
In some embodiments, the device body 3 may include a middle frame, a frame glue, etc., and the liquid crystal display device 1 may be a mobile phone, a tablet, a television, an electronic watch, a sports bracelet, a notebook computer, a macro screen, a desktop display, a commercial display, etc., which are not limited herein.
In some embodiments, the liquid crystal display panel 2 further includes an array substrate, a liquid crystal layer, a color film layer, and upper and lower polarizing layers.
In some embodiments, the array substrate includes a substrate, an active layer on the substrate, a first insulating layer on the active layer, a gate layer on the first insulating layer, a second insulating layer on the gate layer, a source drain layer on the second insulating layer, and a third insulating layer on the source drain layer.
The embodiment of the application discloses a lamp panel, a manufacturing method thereof, a backlight module and a liquid crystal display device; the lamp panel comprises a substrate, a light emitting unit and a control unit for controlling the light emitting unit, wherein the substrate comprises a connecting part and a plurality of main body parts, each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a main body sub-part and a plurality of protruding sub-parts connected with the main body sub-part, the plurality of protruding sub-parts are arranged on the side edge of the main body sub-part in a protruding mode, at least part of the protruding sub-parts are provided with the light emitting unit or the control unit, and at least part of the main body sub-parts are correspondingly provided with the control unit or the light emitting unit; according to the light emitting diode display, the main body of the substrate is optimized, the convex sub-portions are arranged on the side edges of the main body sub-portions, and the light emitting units or the control units can be arranged on the convex sub-portions, so that the distance between the light emitting units between two adjacent main body portions is reduced, the manufacturing cost is reduced, and the light emitting effect is improved.
The light panel, the manufacturing method thereof, the backlight module and the liquid crystal display device provided by the embodiment of the application are described in detail, and specific examples are applied to the description of the principle and the implementation of the application, and the description of the above embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.

Claims (10)

1. A lamp panel, comprising:
the substrate comprises a connecting part and a plurality of main body parts, wherein each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a body sub-part and a plurality of protruding sub-parts connected with the body sub-part, and the protruding sub-parts are arranged on the side edge of the body sub-part in a protruding mode;
the light emitting device comprises a light emitting unit and a control unit for controlling the light emitting unit, wherein at least part of the convex sub-parts are provided with the light emitting unit or the control unit, and at least part of the main body sub-parts are correspondingly provided with the control unit or the light emitting unit.
2. The lamp panel of claim 1, wherein a concave sub-portion is formed between two adjacent convex sub-portions in the same main body portion, and the convex sub-portions and the concave sub-portions have the same contour.
3. The light panel of claim 1, wherein the projection has a triangular, quadrilateral, or convex profile.
4. The light panel of claim 3, wherein the projection comprises a convex profile, the projection comprising a first sub-portion and a second sub-portion, the second sub-portion connecting the first sub-portion with the body sub-portion.
5. The lamp panel of claim 4, wherein the light emitting unit or the control unit is disposed at a junction of the first sub-portion and the second sub-portion.
6. The lamp panel of claim 1, wherein the light emitting unit is a Mini LED and the control unit is a driver chip.
7. The lamp panel of claim 1, wherein a number ratio of the light emitting units to the control units on the substrate is between 1 and 4.
8. The manufacturing method of the lamp panel is characterized by comprising the following steps:
providing a first substrate;
forming a light emitting device part including a control unit and a light emitting unit on the first substrate;
dividing the first substrate into at least two second substrates;
the second substrate comprises a connecting part and a plurality of main body parts, wherein each main body part is arranged on the side edge of the connecting part in a protruding mode, each main body part comprises a main body sub-part and a plurality of protruding sub-parts connected with the main body sub-part, the protruding sub-parts are arranged on the side edge of the main body sub-part in a protruding mode, at least part of the protruding sub-parts are provided with the light emitting units or the control units, and at least part of the main body sub-parts are correspondingly provided with the control units or the light emitting units.
9. A backlight module, comprising:
a back plate;
a lamp panel fixed on the back panel, the lamp panel being as claimed in any one of claims 1 to 7 or being made by the method of claim 8;
and the light diffusion plate is arranged on the lamp panel.
10. A liquid crystal display device, comprising the backlight module and the liquid crystal display panel according to claim 9.
CN202310344734.0A 2023-04-03 2023-04-03 Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device Pending CN117490028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310344734.0A CN117490028A (en) 2023-04-03 2023-04-03 Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310344734.0A CN117490028A (en) 2023-04-03 2023-04-03 Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device

Publications (1)

Publication Number Publication Date
CN117490028A true CN117490028A (en) 2024-02-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310344734.0A Pending CN117490028A (en) 2023-04-03 2023-04-03 Lamp panel, manufacturing method thereof, backlight module and liquid crystal display device

Country Status (1)

Country Link
CN (1) CN117490028A (en)

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