CN109683363B - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
- Publication number
- CN109683363B CN109683363B CN201910084650.1A CN201910084650A CN109683363B CN 109683363 B CN109683363 B CN 109683363B CN 201910084650 A CN201910084650 A CN 201910084650A CN 109683363 B CN109683363 B CN 109683363B
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- array substrate
- backlight
- driving circuit
- liquid crystal
- display panel
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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
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a liquid crystal display panel and a display device, wherein the liquid crystal display panel comprises an array substrate; the color film substrate is arranged in a box-to-box mode with the array substrate; the backlight source driving circuit is used for driving a backlight source in the backlight module and is arranged on the array substrate; the backlight source driving circuit is arranged on the array substrate and is directly connected with the backlight source, and redundant circuit boards are not needed in the backlight module, so that the thickness of the backlight module is reduced, the technical problem that the conventional mini light-emitting diode backlight module is too thick is solved, the structure is simple, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display panel and a display device.
Background
A Mini light emitting diode (Mini LED) display device is a display device that integrates a micron-sized LED array as display pixels on a substrate to realize image display, each pixel can be addressed and independently driven to light, and the display device belongs to a self-luminous display, has low power consumption, color saturation close to that of an OLED, and low cost, and is considered as the current research focus by many manufacturers.
As shown in fig. 1, a schematic structural diagram of an existing backlight module is shown, which includes a back plate 11, a backlight source 12 disposed on the back plate, a driving plate 13, a back cover 14, and an optical diaphragm 15, where the back plate 11 needs to be connected to the driving plate 13 through a connecting line 16, and the existing display device is implemented by adopting a multi-back-plate splicing manner, each back plate 11 needs to be connected to the driving plate 13 through the connecting line 16, that is, when a Mini-LED is used as a backlight source in the backlight module, an individual driving chip is needed to drive, and the driving chip is disposed on the driving plate (an individual circuit board), so that the number of circuit boards in the backlight module is increased, and further, the thickness of the backlight module is larger.
Therefore, the prior art has the technical problem that the mini light emitting diode backlight module is too thick.
Disclosure of Invention
The invention provides a liquid crystal display panel and a display device, which are used for relieving the technical problem that the conventional mini light-emitting diode backlight module is too thick.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a liquid crystal display panel, comprising:
an array substrate;
the color film substrate is arranged in a box-to-box mode with the array substrate;
the backlight source driving circuit is used for driving a backlight source in the backlight module and is arranged on the array substrate.
In the liquid crystal display panel of the present invention, the backlight light source driving circuit includes a driving chip and a connection terminal.
In the liquid crystal display panel of the invention, the connection terminal is arranged on a first side of the array substrate, and a gate driving circuit is formed on the first side.
In the liquid crystal display panel of the invention, the connection terminals include a first connection terminal disposed on a first side of the array substrate and a second connection terminal disposed on a second side of the array substrate, and the first side and the second side are located on opposite sides of the array substrate and are formed with a gate driving circuit.
In the liquid crystal display panel of the present invention, the connection terminals are disposed on a bottom side of the array substrate, and an active electrode driving circuit is formed on the bottom side.
In the liquid crystal display panel of the invention, the driving chip is arranged on a first side of the array substrate, and a gate driving circuit is formed on the first side.
In the liquid crystal display panel of the invention, the driving chips include a first driving chip disposed on a first side of the array substrate and a second driving chip disposed on a second side of the array substrate, and the first side and the second side are located on two opposite sides of the array substrate and are formed with a gate driving circuit.
In the liquid crystal display panel of the invention, the driving chip is arranged at the bottom edge of the array substrate, and an active electrode driving circuit is formed on the bottom edge.
The present invention also provides a display device including:
the backlight plate is provided with a backlight source;
a liquid crystal display panel including a backlight light source driving circuit;
and the connecting circuit is used for connecting the backlight light source driving circuit and the backlight light source.
In the display device of the invention, the liquid crystal display panel comprises an array substrate and a color film substrate which are arranged in a box-to-box manner, and the backlight light source driving circuit is arranged on the array substrate.
The invention has the beneficial effects that: the invention provides a liquid crystal display panel and a display device, wherein the liquid crystal display panel comprises an array substrate; the color film substrate is arranged in a box-to-box mode with the array substrate; the backlight source driving circuit is used for driving a backlight source in the backlight module and is arranged on the array substrate; the backlight source driving circuit is arranged on the array substrate and is directly connected with the backlight source, and redundant circuit boards are not needed in the backlight module, so that the thickness of the backlight module is reduced, the technical problem that the conventional mini light-emitting diode backlight module is too thick is solved, the structure is simple, and the cost is reduced.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conventional backlight module;
fig. 2 is a schematic view of a first structure of a display device according to an embodiment of the invention;
fig. 3 is a schematic plan view of a display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a display device according to an embodiment of the invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention provides a liquid crystal display panel and a display device, which are used for relieving the technical problem that the conventional mini light-emitting diode backlight module is too thick.
As shown in fig. 2, which is a schematic structural diagram of a display device according to an embodiment of the present invention, the display device according to the embodiment of the present invention includes a backlight plate 21, a connection circuit 22, and a liquid crystal display panel 23, wherein a backlight source 210 is disposed on the backlight plate 21, a backlight source driving circuit 230 is disposed on the liquid crystal display panel 23, and the connection circuit 22 is used for connecting the backlight source driving circuit 230 and the backlight source 210.
The liquid crystal display panel 23 includes a color film substrate 231, an array substrate 232, and a backlight source driving circuit 230 disposed on the array substrate 231.
The array substrate 232 and the color film substrate 231 are arranged in a box-to-box manner, the color film substrate 231 is located above the array substrate 232, a liquid crystal layer (not shown) is further arranged in front of the array substrate 232 and the color film substrate 231, the color film substrate 231 and the array substrate 232 are combined in a superposition manner to form a liquid crystal box, and the liquid crystal layer is arranged in the liquid crystal box.
The backlight source driving circuit 230 is disposed on the array substrate 232 and is used for driving the backlight source 210 in the backlight module. The backlight light source driving circuit 230 includes a driving chip 2301 and a connection terminal 2302.
In an embodiment, the array substrate 232 is wider than the color filter substrate 231, and at this time, the backlight source driving circuit 230 is disposed on a surface of the array substrate 232 opposite to the color filter substrate 231.
In an embodiment, the widths of the array substrate 232 and the color filter substrate 231 are equal, for example, the liquid crystal display panel 23 is designed to have a narrow frame, and at this time, the backlight source driving circuit 230 is disposed on a side surface of the array substrate 232.
The specific position of the backlight light source driving circuit 230 on the array substrate 232 is described with reference to fig. 3.
As shown in fig. 3 (a), when the array substrate 232 is wider than the color filter substrate 231, the driving chip 2301 and the connection terminal 2302 are disposed at a first side 2320 of the array substrate 232, and a gate driving circuit is formed on the first side 2320.
When the widths of the array substrate 232 and the color filter substrate 231 are equal, the driving chip 2301 and the connection terminal 2302 are disposed at a first side surface 23201 of the array substrate 232, and a gate driving circuit is formed on the first side surface 2320 adjacent to the first side surface 23201.
As shown in fig. 3 (b), when the array substrate 232 is wider than the color filter substrate 231, the connection terminal 2302 includes a first connection terminal 23021 disposed on a first side 2321 of the array substrate 232 and a second connection terminal 23022 disposed on a second side 2322 of the array substrate 232, the driver chip 2301 includes a first driver chip 23011 disposed on the first side 2321 of the array substrate 232 and a second driver chip 23012 disposed on the second side 2322 of the array substrate 232, and the first side 2321 and the second side 2322 are located on two opposite sides of the array substrate 232 and are formed with a gate driving circuit.
When the widths of the array substrate 232 and the color filter substrate 231 are equal, the first connection terminal 23021 and the first driving chip 23011 are disposed on the first side surface 23211 of the array substrate 232, and the second connection terminal 23022 and the second driving chip 23012 are disposed on the second side surface 23221 of the array substrate 232. The first side surface 23211 is adjacent to the first side 2321, the second side surface 23221 is adjacent to the second side 2322, the first side 2321 and the second side 2322 are located on two opposite sides of the array substrate 232, and a gate driving circuit is formed.
As shown in (c) of fig. 3, when the array substrate 232 is wider than the color filter substrate 231, the driving chip 2301 and the connection terminal 2302 are disposed at a bottom 2323 of the array substrate 232, and an active electrode driving circuit is formed on the bottom 2323.
When the widths of the array substrate 232 and the color filter substrate 231 are equal, the driving chip 2301 and the connection terminal 2302 are disposed on the bottom surface 23231 of the array substrate 232, and an active electrode driving circuit is formed on the bottom edge 2323 adjacent to the bottom surface 23231.
In an embodiment, the backlight plate 21 is provided with a backlight source 210, the backlight source is a Mini light emitting diode (Mini LED), and the connection circuit 22 is used for connecting the backlight source driving circuit 230 and the backlight source 210.
In one embodiment, the backlight 21 is a flexible circuit board, the connection circuit 22 is formed by extending the flexible circuit board, and one end of the flexible circuit board is connected to the connection terminal 2302 of the backlight source driving circuit 230.
In one embodiment, the backlight board 21 is a metal core printed circuit board, the connection circuit 22 is a flexible circuit board, a pad is disposed on the surface of the metal core printed circuit board where the backlight source 210 is disposed, one end of the flexible circuit board is soldered on the metal core printed circuit board through the pad, and the other end of the flexible circuit board is connected to the connection terminal 2302 of the backlight source driving circuit 230.
In one embodiment, the backlight board 21 is a metal core printed circuit board, the connection circuit 22 is a flexible circuit board, a pad is disposed on a surface of the metal core printed circuit board not provided with the backlight source 210, one end of the flexible circuit board is soldered on the metal core printed circuit board through the pad, and the other end of the flexible circuit board is connected to the connection terminal 2302 of the backlight source driving circuit 230.
The display device with the mini light emitting diode as the backlight source is mostly realized by splicing a plurality of backlight plates, and each backlight plate needs to be connected with the backlight source driving circuit through a connecting circuit, so that the specific position of the backlight source driving circuit on the array substrate can be selected in various ways, and the description is provided below with reference to fig. 4.
The display device of the embodiment comprises a backlight plate, a connecting circuit and a liquid crystal display panel.
The backlight plate comprises a first backlight plate 411, a second backlight plate 412 and a third backlight plate 413 which are spliced to form the backlight plate, wherein a backlight source 401 is arranged on the first backlight plate 411, a backlight source 402 is arranged on the second backlight plate 412, and a backlight source 403 is arranged on the third backlight plate 413.
The liquid crystal display panel comprises a color film substrate 431, an array substrate 432 and a backlight source driving circuit 430 arranged on the array substrate 431, wherein the backlight source driving circuit 430 comprises a first backlight source driving circuit 4301, a second backlight source driving circuit 4302 and a third backlight source driving circuit 4303, the first backlight source driving circuit 4301 is used for driving the first backlight source 401 in a backlight module, the second backlight source driving circuit 4302 is used for driving the second backlight source 402 in the backlight module, and the third backlight source driving circuit 4303 is used for driving the third backlight source 403 in the backlight module.
The connection circuit is used for connecting the backlight light source driving circuit 430 and the backlight light source, and the connection circuit includes a first connection circuit 421, a second connection circuit 422, and a third connection circuit 423. The first connection circuit 421 is configured to connect the first backlight source driving circuit 4301 and the first backlight source 401, the second connection circuit 422 is configured to connect the second backlight source driving circuit 4302 and the second backlight source 402, and the third connection circuit 423 is configured to connect the third backlight source driving circuit 4303 and the third backlight source 403.
The array substrate 432 includes a first side 4321, a second side 4322, and a third side 4323. The first side 4321 and the second side 4322 are located at two opposite sides of the array substrate 432 and are formed with a gate driving circuit, and the third side 4323 is a bottom side of the array substrate 432 and is formed with an active electrode driving circuit.
In one embodiment, the first backlight source driving circuit 4301 and the second backlight source driving circuit 4302 are disposed at the first side 4321 of the array substrate 432, and the third backlight source driving circuit 4303 is disposed at the third side 4323 of the array substrate 432.
In one embodiment, the first backlight source driving circuit 4301, the second backlight source driving circuit 4302, and the third backlight source driving circuit 4303 are disposed at the first side 4321 of the array substrate 432.
In one embodiment, the first backlight source driving circuit 4301, the second backlight source driving circuit 4302, and the third backlight source driving circuit 4303 are disposed at the second side 4322 of the array substrate 432.
In one embodiment, the first backlight source driver circuit 4301 is disposed at the first side 4321 of the array substrate 432, the second backlight source driver circuit 4302 is disposed at the second side 4322 of the array substrate 432, and the third backlight source driver circuit 4303 is disposed at the third side 4323 of the array substrate 432.
In one embodiment, the first backlight source driver circuit 4301 is disposed at the first side 4321 and the second side 4322 of the array substrate 432, the second backlight source driver circuit 4302 is disposed at the first side 4321 and the second side 4322 of the array substrate 432, and the third backlight source driver circuit 4303 is disposed at the third side 4323 of the array substrate 432.
The first backlight source driving circuit 4301, the second backlight source driving circuit 4302, and the third backlight source driving circuit 4303 are not limited in the drawings, and may be disposed on the first side 43211 adjacent to the first side 4321, the first side 43221 adjacent to the second side 4322, and the first side 43231 adjacent to the third side 4323, for example. The specific arrangement manner is the same as or similar to the description related to the preferred embodiment of the liquid crystal display panel, and please refer to the description related to the preferred embodiment of the liquid crystal display panel.
According to the above embodiments:
the embodiment of the invention provides a liquid crystal display panel and a display device, wherein the liquid crystal display panel comprises an array substrate; the color film substrate is arranged in a box-to-box mode with the array substrate; the backlight source driving circuit is used for driving a backlight source in the backlight module and is arranged on the array substrate; the backlight source driving circuit is arranged on the array substrate and is directly connected with the backlight source, and redundant circuit boards are not needed in the backlight module, so that the thickness of the backlight module is reduced, the technical problem that the conventional mini light-emitting diode backlight module is too thick is solved, the structure is simple, and the cost is reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (8)
1. A liquid crystal display panel, comprising:
an array substrate;
the color film substrate is arranged in a box-to-box mode with the array substrate;
the backlight source driving circuit is used for driving a backlight source arranged on a backlight plate and is arranged on the array substrate and connected with the backlight source through a connecting circuit, the backlight source driving circuit comprises a driving chip and a connecting terminal, and the connecting terminal is arranged on the first side edge or the first side edge and the second side edge of the array substrate or on the bottom edge of the array substrate.
2. The liquid crystal display panel according to claim 1, wherein the connection terminal is disposed at a first side of the array substrate, on which a gate driving circuit is formed.
3. The liquid crystal display panel according to claim 1, wherein the connection terminals include a first connection terminal provided on a first side of the array substrate, and a second connection terminal provided on a second side of the array substrate, the first side and the second side being located on opposite sides of the array substrate, and being formed with a gate driving circuit.
4. The liquid crystal display panel according to claim 1, wherein the connection terminals are disposed at a bottom side of the array substrate, on which a source driving circuit is formed.
5. The liquid crystal display panel according to claim 1, wherein the driving chip is disposed on a first side of the array substrate, and a gate driving circuit is formed on the first side.
6. The liquid crystal display panel according to claim 1, wherein the driving chips include a first driving chip disposed on a first side of the array substrate, and a second driving chip disposed on a second side of the array substrate, the first side and the second side being located on opposite sides of the array substrate, and being formed with a gate driving circuit.
7. The liquid crystal display panel of claim 1, wherein the driving chip is disposed on a bottom side of the array substrate, and an active electrode driving circuit is formed on the bottom side.
8. A display device, comprising:
the backlight plate is provided with a backlight source;
a liquid crystal display panel including a backlight light source driving circuit;
a connection circuit for connecting the backlight light source drive circuit and the backlight light source;
the liquid crystal display panel comprises an array substrate and a color film substrate which are arranged in a box-to-box mode, the backlight source driving circuit is arranged on the array substrate and comprises a driving chip and a connecting terminal, and the connecting terminal is arranged on the first side edge or the first side edge and the second side edge of the array substrate or on the bottom edge of the array substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910084650.1A CN109683363B (en) | 2019-01-29 | 2019-01-29 | Liquid crystal display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910084650.1A CN109683363B (en) | 2019-01-29 | 2019-01-29 | Liquid crystal display panel and display device |
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| CN109683363A CN109683363A (en) | 2019-04-26 |
| CN109683363B true CN109683363B (en) | 2021-09-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110609416B (en) * | 2019-08-26 | 2022-03-01 | 武汉华星光电技术有限公司 | Liquid crystal display screen |
| CN112578587A (en) * | 2019-09-27 | 2021-03-30 | 京东方科技集团股份有限公司 | Backlight source assembly, display device and preparation method thereof |
| CN110908183B (en) * | 2019-11-12 | 2021-07-23 | 惠州市华星光电技术有限公司 | Display device |
| CN111445870B (en) * | 2020-05-08 | 2022-02-22 | 京东方科技集团股份有限公司 | Backlight drive board, backlight module and display device |
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| JP2007328143A (en) * | 2006-06-08 | 2007-12-20 | Epson Imaging Devices Corp | Display panel |
| CN101630091A (en) * | 2008-07-17 | 2010-01-20 | 奇美电子股份有限公司 | Backlight module, assembly method thereof and liquid crystal display using backlight module |
| CN103487968A (en) * | 2013-09-22 | 2014-01-01 | 北京京东方光电科技有限公司 | Display panel and displayer |
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