WO2019024191A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2019024191A1
WO2019024191A1 PCT/CN2017/102488 CN2017102488W WO2019024191A1 WO 2019024191 A1 WO2019024191 A1 WO 2019024191A1 CN 2017102488 W CN2017102488 W CN 2017102488W WO 2019024191 A1 WO2019024191 A1 WO 2019024191A1
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WO
WIPO (PCT)
Prior art keywords
fixing member
display panel
display area
circuit board
display
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.)
Ceased
Application number
PCT/CN2017/102488
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English (en)
French (fr)
Inventor
罗旭刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Original Assignee
HKC Co Ltd
Chongqing HKC 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 HKC Co Ltd, Chongqing HKC Optoelectronics Technology Co Ltd filed Critical HKC Co Ltd
Priority to US16/634,510 priority Critical patent/US11275280B2/en
Publication of WO2019024191A1 publication Critical patent/WO2019024191A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13454—Drivers integrated on the active matrix substrate
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • 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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements

Definitions

  • the embodiments of the present application relate to display technologies, and in particular, to a display panel and a display device.
  • a narrow border or no border is generally required to adopt a GOA (Gate on Array) technology, that is, a gate driver of the panel is integrated on a glass substrate, but the technical threshold of the GOA technology is high. Low production yields result in higher production costs.
  • GOA Gate on Array
  • the present application provides a display panel and a display device to provide a low-cost solution for implementing a narrow bezel.
  • the present application provides a display panel, the display panel includes: an array substrate, the array substrate includes a display area and a non-display area surrounding the display area, the display area includes an active switch and a pixel unit,
  • the non-display area includes: a flexible circuit board and a fixing member. a first end of the flexible circuit board is fixed in a non-display area of the array substrate for driving the display of the pixel unit; the fixing member is disposed on the flexible circuit board; wherein the fixing member is provided The second end of the flexible circuit board is bent toward the display area of the array substrate such that the projection of the flexible circuit board on the array substrate is located in the non-display area.
  • the present application provides a display panel, the display panel comprising: an array substrate,
  • the array substrate includes a display area and a non-display area surrounding the display area, the display area includes an active switch and a pixel unit, and the non-display area includes: a flexible circuit board and a fixing member.
  • the first end of the flexible circuit board is fixed in the non-display area of the array substrate for driving the display of the pixel unit, and the flexible circuit board comprises a flexible substrate and a driving chip disposed on the flexible substrate;
  • the fixing member is disposed on the flexible circuit board; wherein the fixing member bends the second end of the flexible circuit board toward the display area of the array substrate, so that the flexible circuit board is in the a projection of the array substrate is located in the non-display area;
  • the fixing member is disposed on a side of the flexible substrate on which the driving chip is disposed, and the fixing member has a rectangular parallelepiped shape and a cross section of an I-shaped cube or U Or the fixing member is disposed on a side of the flexible substrate away from the driving chip, and the fixing member has a U shape.
  • the present application also provides a display device including the display panel described herein.
  • the present application drives a display panel by using a flexible circuit board, and a fixing member is disposed on the flexible circuit board, so that the second end of the flexible circuit board is bent toward the display area of the array substrate, so that the flexible circuit board is on the array substrate.
  • the projection is located in the non-display area of the array substrate, ensuring the narrow border or no border of the display panel, and the driving circuit or the driving chip of the display panel is fabricated on the flexible circuit board, which is high in yield compared with the GOA technology product, and can effectively reduce Production costs, thus providing a low-cost solution to achieve a narrow bezel.
  • 1a is a schematic plan view of a display panel in an embodiment of the present application.
  • Figure 1b is a schematic cross-sectional view of the display panel of Figure 1a along section line A1-A2;
  • FIG. 2 is a cross-sectional view showing still another display panel in the embodiment of the present application.
  • FIG. 3 is a cross-sectional view showing still another display panel in the embodiment of the present application.
  • FIG. 4 is a cross-sectional view showing still another display panel in the embodiment of the present application.
  • FIG. 5 is a cross-sectional view showing still another display panel in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of a display device in an embodiment of the present application.
  • the embodiment provides a display panel, and the display panel includes:
  • An array substrate the array substrate includes a display area and a non-display area surrounding the display area, the display area includes an active switch and a pixel unit, and the non-display area includes:
  • a flexible circuit board having a first end fixed to a non-display area of the array substrate for driving the pixel unit display;
  • the fixing member is disposed on the flexible circuit board; wherein the fixing member bends a second end of the flexible circuit board toward a display area of the array substrate to make the flexible A projection of the circuit board on the array substrate is located in the non-display area.
  • the flexible circuit board is provided with a driving circuit or a driving chip for driving the display of the display panel, and the driving circuit or the driving chip of the display panel is fabricated on the flexible circuit board, which is high in yield compared with the GOA technology product, and can effectively reduce Cost of production.
  • the display panel is driven by using a flexible circuit board, and a fixing member is disposed on the flexible circuit board, so that the second end of the flexible circuit board is bent toward the display area of the array substrate, so that the flexible circuit is
  • the projection of the board on the array substrate is located in the non-display area, which ensures a narrow border or no border of the display panel, thereby providing a low-cost solution for implementing a narrow bezel.
  • FIG. 1a is a schematic plan view of a display panel in the embodiment of the present application
  • FIG. 1b is a cross-sectional view of the display panel of FIG. 1a along a section line A1-A2.
  • the display panel includes:
  • the array substrate 110 includes an array area 111 and a non-display area 112 surrounding the display area 111.
  • the non-display area 112 includes a flexible circuit board 120 and a fixing member.
  • the first end 121 of the flexible circuit board 120 is fixed to the non-display area 112 of the array substrate 110, and the fixing member is disposed on the flexible circuit board 120.
  • the display panel may be a liquid crystal display panel or an organic electroluminescent display panel.
  • the display area 111 of the array substrate 110 is used to display the screen, and the area corresponding to the non-display area 112 does not present a screen.
  • a driving circuit or a driving circuit board for driving the display panel is provided.
  • a plurality of data lines 101 and a plurality of scan lines 102 are disposed in the display area 111 of the array substrate 110.
  • the data lines 101 and the scan lines 102 are perpendicular to each other to form a plurality of pixel areas 103.
  • the pixel area 103 has an active switch 105 and is used for display.
  • the pixel unit 104 of the image, the active switch 105 is, for example, a thin film transistor.
  • the flexible circuit board 120 is disposed on the non-display area 112 of the array substrate 110.
  • the first end 121 of the flexible circuit board 120 can be electrically connected to the driving line on the non-display area 112 of the array substrate 110 to drive the display area 111 of the display panel.
  • the pixel unit 104 performs display. Exemplarily, referring to FIG. 1b, the first end 121 of the flexible circuit board 120 is electrically connected to the pad 113 in the non-display area 112, and the pad 113 is connected to the driving line on the non-display area 112 to facilitate the driving circuit and the flexible circuit.
  • the board 120 is electrically connected.
  • the array substrate and the flexible circuit board are only exemplarily shown in FIG. 1a, and other structures of the display panel are not shown, and only the position and shape of the flexible circuit board are exemplarily shown in FIG. 1a.
  • the specific structure of the array substrate is not shown in FIG. 1b and is not intended to limit the application.
  • the flexible circuit board 120 includes a flexible substrate 123 and a driving chip 124 disposed on the flexible substrate 123.
  • the flexible circuit board 120 is, for example, a circuit board that drives a gate, and may be a circuit board that drives data lines.
  • the driving chip 124 is a gate driving chip or a source driving chip. Specifically, the driving chip 124 transmits a scan signal or a data driving signal to the display panel through the pad 113 of the non-display area 112 of the array substrate 110, and drives the pixel unit 104 of the display area 111 of the display panel to display.
  • the gate driving chip is configured to provide a scanning signal for displaying the pixel unit 104 in the display area 111 row by row
  • the source driving chip is configured to provide a data driving signal to the display panel, the data driving signal Used to write a pre-displayed image signal to the pixel unit 104.
  • the pixel unit 104 includes a pixel electrode and a common electrode (not shown).
  • the active switch 105 includes a source, a drain and a gate. The source is electrically connected to the data line 101, and the drain is connected.
  • the pixel electrode of the pixel unit 104 is electrically connected, the gate is electrically connected to the scan line 102, and the gate drive chip inputs a scan signal to the scan line 102 to turn on the active switch 105, thereby opening the corresponding pixel unit 104, and the source driving chip to the data.
  • the line 101 inputs a data driving signal, is written to the pixel electrode of the pixel unit 104 through the active switch 105, and an electric field is formed between the pixel electrode 104 and the common electrode to drive the liquid crystal to be deflected, thereby realizing image display.
  • the fixing member is a first fixing member 130a; the first fixing member 130a is disposed on a side of the flexible substrate 123 where the driving chip 124 is disposed, and the first fixing member 130a passes through the first adhesive layer 140. Both ends of the flexible substrate 123 are bonded.
  • the first fixing member 130a bends the flexible substrate 123 into a shape having a certain curvature by fixing both ends of the flexible substrate 123, so that the projection of the flexible circuit board 120 is located in the non-display area 112 of the array substrate 110.
  • the first fixing member 130a may bend the flexible circuit board 120 into shapes having different curvatures as needed, and is not specifically limited.
  • the flexible circuit board 120 is bent into a U shape. So arranged to make the flexible circuit board 120
  • the second end 122 can be fully bent in the direction of the display area 111 of the array substrate 110, so that the projection of the flexible circuit board 120 in the array substrate 110 is located in the non-display area 112, thereby ensuring a narrow border or no border of the display panel, thereby providing A low-cost solution for implementing a narrow bezel.
  • the first fixing member 130a has a rectangular parallelepiped shape, and opposite sides of the first fixing member 130a are bonded to both ends of the flexible substrate 123.
  • the first fixing member 130a is disposed in a rectangular parallelepiped shape, and the degree of bending of the flexible substrate 123 can be adjusted by adjusting the size of each side of the first fixing member 130a.
  • the first fixing member 130a and the flexible substrate 123 can be adjusted.
  • the distance between the two sides of the bond adjusts the bending curvature of the flexible substrate 123, the height of the flexible substrate 123 after being bent, and the like.
  • the embodiment only exemplarily shows the case where the first fixing member 130a has a rectangular parallelepiped shape, and is not limited to the present application. In other embodiments, the first fixing member 130a may also be other polygonal body shapes. .
  • the first fixing member 130a may also be a cube having a cross-section of an I-shaped shape, and the top surface and the bottom surface of the I-shaped cube are respectively Both ends of the flexible substrate 123 are bonded.
  • the bending curvature of the flexible substrate 123, the height after the flexible substrate 123 is bent, and the like can be adjusted by adjusting the height of the I-shaped cube, that is, the distance between the top surface and the bottom surface. Since the I-shaped cube occupies a small space, after the flexible circuit board 120 is bent by using the I-shaped cube, the available space of the driving chip 124 is larger, so that the position setting of the driving chip 124 is more flexible.
  • the shape of the first fixing member 130a may also be U-shaped. Upper and lower outer surfaces of the first fixing member 130a are respectively bonded to both ends of the flexible substrate 123.
  • the fixing member may be the second fixing member 130b.
  • the second fixing member 130b is disposed on a side of the flexible substrate 123 away from the driving chip 124, and the second fixing member 130b is bonded to the flexible substrate 123 through the second adhesive layer 150.
  • the second fixing member 130b can be of any shape. By fixing the second fixing member 130b and the flexible circuit board 120 together, the flexible circuit board 120 can be bent into a corresponding shape.
  • the size of the second fixing member 130b may be set according to the size of the flexible substrate 123. Illustratively, the size when the second fixing member 130b is planarized may be equal to the size of the flexible substrate 123 to be planarized to better fix the flexible circuit. Board 120.
  • the second fixing member 130b on the side of the flexible substrate 123 away from the driving chip 124, the position and size of the second fixing member 130b do not affect the driving chip 124, so that the driving chip 124 of the flexible circuit board 120 is disposed. More flexible.
  • the second fixing member 130b has a U shape, and the inner side of the second fixing member 130b is bonded to the flexible substrate 123.
  • the flexible substrate 123 is bent into a U-shape by the flexible substrate 123 being adhered to the inner side of the second fixing member 130b, so that the projection of the flexible circuit board 120 on the array substrate 110 is located in the non-display area 112, thereby ensuring display.
  • the narrow border or no border of the panel provides a low-cost solution for narrow borders.
  • the embodiment only exemplifies the second fixing member 130b as a U-shaped, which is not limited to the present application. In other embodiments, the second fixing member 130b can be bent according to the shape of the flexible circuit board 120. Set to any other shape.
  • the fixing member is made of rubber or foamed material.
  • the fixing member has a certain elasticity and cushioning property, on the one hand, the fixing member is assembled with the flexible circuit board 120, and on the other hand, the flexible circuit board 120 can be protected.
  • the display panel may further include: a color film substrate 160 disposed opposite to the array substrate 110 , and an upper polarizer 171 and a lower polarizer 172 .
  • the upper polarizer 171 is disposed on a side of the color film substrate 160 away from the array substrate 110.
  • the lower polarizer 172 is disposed on a side of the array substrate 110 away from the color filter substrate 160.
  • the color film substrate 160 is provided with a color resist layer and a black matrix.
  • the color resist layer comprises a plurality of color block blocks of different colors, for example, a red color block, a green color block and a blue color block, and the black matrix will be used for each color resist.
  • the blocks are separated, and each color block corresponds to one pixel unit on the array substrate 110.
  • the vertical projection of the black matrix on the array substrate 110 covers the data lines, the scan lines, the active switches, and the like. It should be noted that, in FIG. 5, only the array substrate 110, the color filter substrate 160, and the upper and lower polarizers of the liquid crystal display panel are exemplarily shown, and other structures such as liquid crystal molecules are not shown, and are not intended to limit the present application.
  • the display panel is only a liquid crystal display panel.
  • the display panel can also be an organic electroluminescent display panel.
  • the display panel can further include an encapsulation layer.
  • the organic light-emitting device on the sealed array substrate prevents moisture and oxygen from corroding the organic light-emitting device.
  • the encapsulation layer may be a hard glass encapsulation layer.
  • the encapsulation layer may be a thin film encapsulation layer, and the thin film encapsulation layer may be provided with an inorganic layer and an organic layer which are spaced apart. composition.
  • it is only necessary to provide a polarizer on the light-emitting side of the organic electroluminescent display panel that is, it is only necessary to provide a polarizer on the side of the package layer away from the array substrate.
  • FIG. 6 is a schematic diagram of a display device according to an embodiment of the present application.
  • the display device includes a control component 100 and a display panel according to any embodiment of the present application. 200.
  • the control component 100 is configured to send a display control signal to the display panel 200 to control the display panel 200 to perform screen display.
  • the display panel 200 can be a liquid crystal display panel or an organic electroluminescent display panel. If the display panel 200 is a liquid crystal display panel, the display device further includes a backlight module and the like, and the backlight module is used to provide a light source for the liquid crystal display panel.
  • the display device may be a display device such as a mobile phone, a television, a tablet computer.
  • the display device of the present embodiment drives the display panel 200 by using a flexible circuit board, and is in a flexible electric
  • a fixing member is disposed on the circuit board, so that the second end of the flexible circuit board is bent toward the display area of the array substrate, so that the projection of the flexible circuit board on the array substrate is located in the non-display area of the array substrate, and the display panel is ensured.
  • the narrow frame or no border of the 200, and the driving circuit or the driving chip of the display panel 200 is fabricated on the flexible circuit board, which has high yield compared with the GOA technology product, can effectively reduce the production cost, thereby providing a low-cost realization.
  • a narrow border scheme is disposed on the circuit board, so that the second end of the flexible circuit board is bent toward the display area of the array substrate, so that the projection of the flexible circuit board on the array substrate is located in the non-display area of the array substrate, and the display panel is ensured.
  • the display panel 200 is, for example, an LCD (Liquid Crystal Display) display panel, an OLED (Organic Electroluminescence Display) display panel, and QLED (Quantum Dot Light Emitting Diodes). Diode) display panel or curved display panel, etc.
  • LCD Liquid Crystal Display
  • OLED Organic Electroluminescence Display
  • QLED Quadantum Dot Light Emitting Diodes

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  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种显示面板及显示装置。显示面板包括：阵列基板（110），阵列基板（110）包括显示区（111）和围绕显示区（111）的非显示区（112），显示区（111）包括主动开关（105）和像素单元（104），非显示区（112）包括：柔性电路板（120），柔性电路板（120）的第一端（121）固定在阵列基板（110）的非显示区（112），用于驱动像素单元（104）显示；一固定件（130a,130b），固定件（130a,130b）设置于柔性电路板（120）上；固定件（130a,130b）使柔性电路板（120）的第二端向阵列基板（110）的显示区（111）方向弯折，以使柔性电路板（120）在阵列基板（110）的投影位于非显示区（112）。

Description

显示面板及显示装置 技术领域
本申请实施例涉及显示技术，尤其涉及一种显示面板及显示装置。
背景技术
随着显示技术的发展，液晶显示产品的显示效果不断地得到改善，从而使液晶显示产品的应用越来越广泛。
近年来，为满足用户需求，窄边框或者无边框已成为液晶显示产品的发展趋势。现有技术中，要做到窄边框或无边框一般需要采用GOA(Gate on Array，闸极驱动电路基板)技术，即将面板的栅极驱动器集成在玻璃基板上，但GOA技术的技术门槛高、生产良率低导致生产成本较高。
发明内容
本申请提供一种显示面板及显示装置，以提供一种低成本的实现窄边框的方案。
一方面，本申请提供了一种显示面板，所述显示面板包括：阵列基板，所述阵列基板包括显示区和围绕所述显示区的非显示区，所述显示区包括主动开关和像素单元，所述非显示区包括：柔性电路板以及一固定件。所述柔性电路板的第一端固定在所述阵列基板的非显示区，用于驱动所述像素单元显示；所述固定件设置于所述柔性电路板上；其中，所述固定件使所述柔性电路板的第二端向所述阵列基板的显示区方向弯折，以使所述柔性电路板在所述阵列基板的投影位于所述非显示区。
另一方面，本申请提供了一种显示面板，所述显示面板包括：阵列基板， 所述阵列基板包括显示区和围绕所述显示区的非显示区，所述显示区包括主动开关和像素单元，所述非显示区包括：柔性电路板以及一固定件。所述柔性电路板的第一端固定在所述阵列基板的非显示区，用于驱动所述像素单元显示，所述柔性电路板包括柔性基板以及设置于所述柔性基板上的驱动芯片；所述固定件设置于所述柔性电路板上；其中，所述固定件使所述柔性电路板的第二端向所述阵列基板的显示区方向弯折，以使所述柔性电路板在所述阵列基板的投影位于所述非显示区；所述固定件设置于所述柔性基板设置有所述驱动芯片的一侧，所述固定件的形状为长方体、横截面为工字型的立方体或U型；或者，所述固定件设置于所述柔性基板远离所述驱动芯片的一侧，所述固定件的形状为U型。
又一方面，本申请还提供了一种显示装置，所述显示装置包括本申请所述的显示面板。
本申请通过采用柔性电路板驱动显示面板，并在柔性电路板上设置固定件，使得柔性电路板的第二端向阵列基板的显示区方向弯折，使所述柔性电路板在所述阵列基板的投影位于阵列基板的非显示区，保证了显示面板的窄边框或无边框，而将显示面板的驱动电路或驱动芯片制作于柔性电路板上，相对于GOA技术产品良率高，可有效降低生产成本，从而提供了一种低成本的实现窄边框的方案。
附图说明
图1a是本申请实施例中的一种显示面板的平面示意图；
图1b是图1a中显示面板沿剖面线A1-A2的剖面示意图；
图2是本申请实施例中的又一种显示面板的剖面示意图；
图3是本申请实施例中的又一种显示面板的剖面示意图；
图4是本申请实施例中的又一种显示面板的剖面示意图；
图5是本申请实施例中的又一种显示面板的剖面示意图；
图6是本申请实施例中的一种显示装置的示意图。
具体实施方式
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本申请，而非对本申请的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本申请相关的部分而非全部结构。
本实施例提供了一种显示面板，所述显示面板包括：
阵列基板，所述阵列基板包括显示区和围绕所述显示区的非显示区，所述显示区包括主动开关和像素单元，所述非显示区包括：
柔性电路板，所述柔性电路板的第一端固定在所述阵列基板的非显示区，用于驱动所述像素单元显示；以及
一固定件，所述固定件设置于所述柔性电路板上；其中，所述固定件使所述柔性电路板的第二端向所述阵列基板的显示区方向弯折，以使所述柔性电路板在所述阵列基板的投影位于所述非显示区。
具体的，所述柔性电路板上设置有驱动显示面板显示的驱动电路或驱动芯片，将显示面板的驱动电路或驱动芯片制作于柔性电路板上，相对于GOA技术产品良率高，可有效降低生产成本。
本实施例通过采用柔性电路板驱动显示面板，并在柔性电路板上设置固定件，使得柔性电路板的第二端向阵列基板的显示区方向弯折，使所述柔性电路 板在所述阵列基板的投影位于所述非显示区，保证了显示面板的窄边框或无边框，从而提供了一种低成本的实现窄边框的方案。
下面结合附图对本申请进行具体说明：
图1a是本申请实施例中的一种显示面板的平面示意图，图1b是图1a中显示面板沿剖面线A1-A2的剖面示意图，参考图1a和图1b，显示面板包括：
阵列基板110，阵列基板110包括显示区111和围绕显示区111的非显示区112。非显示区112包括：柔性电路板120以及固定件；柔性电路板120的第一端121固定在阵列基板110的非显示区112，固定件设置于柔性电路板120上。
具体的，显示面板可以为液晶显示面板或有机电激发光显示面板。阵列基板110的显示区111用于实现画面的显示，非显示区112对应的区域不呈现画面，一般设置有驱动显示面板的驱动线路或驱动电路板等。阵列基板110的显示区111内设置有多条数据线101和多条扫描线102，数据线101与扫描线102相互垂直形成多个像素区103，像素区103内有主动开关105以及用于显示图像的像素单元104，主动开关105例如为薄膜晶体管。柔性电路板120设置于阵列基板110的非显示区112，柔性电路板120的第一端121可以与阵列基板110的非显示区112上的驱动线路电连接，以驱动显示面板的显示区111内的像素单元104进行显示。示例性的，参考图1b，柔性电路板120的第一端121与非显示区112内的焊盘113电连接，焊盘113与非显示区112上的驱动线路连接，方便驱动线路与柔性电路板120电连接。
需要说明的是，图1a中仅示例性的示出了阵列基板和柔性电路板，并未示出显示面板的其他结构，并且图1a中仅示例性的示出了柔性电路板的位置和形状，图1b中并未示出阵列基板的具体结构，并非对本申请的限定。
可选的，参考图1a和图1b，柔性电路板120包括柔性基板123、以及设置于柔性基板123上的驱动芯片124。柔性电路板120例如为驱动栅极的电路板，也可以是驱动数据线的电路板，驱动芯片124为栅极驱动芯片或源极驱动芯片。具体的，驱动芯片124通过阵列基板110的非显示区112的焊盘113向显示面板发送扫描信号或数据驱动信号，驱动显示面板的显示区111的像素单元104显示。栅极驱动芯片用于向显示面板提供扫描信号，所述扫描信号用于逐行打开显示区111内的像素单元104，源极驱动芯片用于向显示面板提供数据驱动信号，所述数据驱动信号用于将预显示的图像信号写入像素单元104。以液晶显示面板为例，像素单元104包括像素电极、公共电极(图中并未示出)，主动开关105包括源极、漏极和栅极，源极与数据线101电连接，漏极与像素单元104的像素电极电连接，栅极与扫描线102电连接，栅极驱动芯片向扫描线102输入扫描信号，使主动开关105打开，从而打开对应的像素单元104，源极驱动芯片向数据线101输入数据驱动信号，通过主动开关105写入到像素单元104的像素电极，像素电极104与公共电极之间形成电场，驱动液晶偏转，从而实现图像显示。
可选的，参考图1b，所述固定件为第一固定件130a；第一固定件130a设置于柔性基板123设置有驱动芯片124的一侧，第一固定件130a通过第一胶层140与柔性基板123的两端粘结。
其中，第一固定件130a通过固定柔性基板123的两端，将柔性基板123弯折成具有一定曲率的形状，使柔性电路板120的投影位于阵列基板110的非显示区112。第一固定件130a可以根据需要将柔性电路板120弯折为具有不同曲率的形状，并不做具体限定。
可选的，柔性电路板120弯折呈U型。这样设置，使得柔性电路板120的 第二端122能够充分的向阵列基板110的显示区111方向弯折，使柔性电路板120在阵列基板110的投影位于非显示区112内，保证了显示面板的窄边框或无边框，从而提供了一种低成本的实现窄边框的方案。
可选的，第一固定件130a的形状为长方体，第一固定件130a相对的两个侧面与柔性基板123的两端粘结。
具体的，将第一固定件130a设置为长方体，可以通过调节第一固定件130a各个边的尺寸来调节柔性基板123的弯折程度，示例性的，可以调节第一固定件130a与柔性基板123粘结的两个侧面的距离来调节柔性基板123的弯折曲率，以及柔性基板123弯折后的高度等。需要说明的是，本实施例仅示例性的示出了第一固定件130a为长方体形状的情况，并非对本申请的限定，在其他实施方式中，第一固定件130a还可以为其他多边体形状。
图2是本申请实施例提供的又一种显示面板的剖面示意图，参考图2，第一固定件130a还可以为横截面为工字型的立方体，工字型立方体的顶面和底面分别与柔性基板123的两端粘结。具体的，可以通过调节工字型立方体的高度，即顶面与底面之间的距离调节柔性基板123的弯折曲率，以及柔性基板123弯折后的高度等。由于工字型立方体占用空间小，采用工字型立方体使得柔性电路板120弯折后，驱动芯片124可用空间更大，使得驱动芯片124位置设置更加灵活。
图3是本申请实施例提供的又一种显示面板的剖面示意图，参考图3，第一固定件130a的形状还可以为U型。第一固定件130a的上下外表面分别与柔性基板123的两端粘结。通过将第一固定件130a的形状设置为U型，使得驱动芯片124可用空间更大，驱动芯片124位置设置更加灵活。
图4是本申请实施例提供的又一种显示面板的剖面示意图，参考图4，所 述固定件可以为第二固定件130b。
第二固定件130b设置于柔性基板123远离驱动芯片124的一侧，第二固定件130b通过第二胶层150与柔性基板123粘结。
其中，第二固定件130b可以为任意形状，通过将第二固定件130b与柔性电路板120固定在一起，可以使柔性电路板120弯折为相应的形状。第二固定件130b的尺寸可以根据柔性基板123的尺寸设定，示例性的，第二固定件130b展开为平面时的尺寸可以等于柔性基板123展开为平面的尺寸，以更好的固定柔性电路板120。另外，通过将第二固定件130b设置于柔性基板123远离驱动芯片124的一侧，第二固定件130b的位置及大小不会影响到驱动芯片124，使得柔性电路板120的驱动芯片124位置设置更加灵活。
可选的，第二固定件130b的形状为U型，第二固定件130b的内侧与柔性基板123粘结。具体的，通过将柔性基板123粘附于第二固定件130b的内侧，使柔性基板123弯折为U型，使柔性电路板120在阵列基板110的投影位于非显示区112内，保证了显示面板的窄边框或无边框，从而提供了一种低成本的实现窄边框的方案。需要说明的是，本实施例仅示例性的将第二固定件130b设置为U型，并非对本申请的限定，在其他实施方式中第二固定件130b可根据柔性电路板120弯折形状的需要设置为其他任意形状。
可选的，所述固定件的材料为橡胶或发泡材料。这样设置，使得固定件具有一定的弹性及缓冲性，一方面方便固定件与柔性电路板120组装，另一方面也可以对柔性电路板120起到一定的保护作用。
图5是本申请实施例中的又一种显示面板的剖面示意图，参考图5，显示面板还可以包括：与阵列基板110相对设置的彩膜基板160、以及上偏光片171和下偏光片172，上偏光片171设置于彩膜基板160远离阵列基板110的一侧， 下偏光片172设置于阵列基板110远离彩膜基板160的一侧。彩膜基板160上设置有色阻层和黑矩阵，色阻层包括多个不同颜色的色阻块，例如可以包括红色色阻块、绿色色阻块和蓝色色阻块，黑矩阵将各个色阻块隔开，每一色阻块与阵列基板110上的一个像素单元相对应，黑矩阵在阵列基板110的垂直投影覆盖数据线、扫描线和主动开关等。需要说明的是，图5中仅示例性的示出液晶显示面板的阵列基板110、彩膜基板160以及上下偏光片，液晶分子等其他结构并未示出，并非对本申请的限定。
本实施例仅以显示面板为液晶显示面板为例进行说明，在其他实施方式中，显示面板还可以有机电激发光显示面板，对于有机电激发光显示面板，显示面板还可以包括封装层，用于密封阵列基板上的有机发光器件，防止水汽和氧气腐蚀所述有机发光器件。对于刚性有机电激发光显示面板，封装层可以为硬质的玻璃封装层，对于柔性有机电激发光显示面板，封装层可以为薄膜封装层，薄膜封装层可以由间隔设置的无机层和有机层组成。另外，对于有机电激发光显示面板只需要在出光侧设置偏光片即可，即只需在封装层远离阵列基板的一侧设置偏光片即可。
本实施例还提供了一种显示装置，图6是本申请实施例中的一种显示装置的示意图，参考图6，所述显示装置包括控制部件100以及本申请任意实施例所述的显示面板200。具体的，控制部件100用于向显示面板200发送显示控制信号，以控制显示面板200进行画面显示。显示面板200可以为液晶显示面板或有机电激发光显示面板，若显示面板200为液晶显示面板，显示装置还包括背光模组等部件，背光模组用于为液晶显示面板提供光源。所述显示装置可以为诸如手机、电视、平板电脑之类的显示设备。
本实施例的显示装置通过采用柔性电路板驱动显示面板200，并在柔性电 路板上设置固定件，使得柔性电路板的第二端向阵列基板的显示区方向弯折，使所述柔性电路板在所述阵列基板的投影位于阵列基板的非显示区，保证了显示面板200的窄边框或无边框，而将显示面板200的驱动电路或驱动芯片制作于柔性电路板上，相对于GOA技术产品良率高，可有效降低生产成本，从而提供了一种低成本的实现窄边框的方案。
在某些实施例中，显示面板200例如为LCD(Liquid Crystal Display，液晶显示)显示面板、OLED(Organic Electroluminescence Display，有机电激发光显示)显示面板、QLED(Quantum Dot Light Emitting Diodes，量子点发光二极管)显示面板或曲面显示面板等。
注意，上述仅为本申请具体的实施例及所运用技术原理。本领域技术人员会理解，本申请不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本申请的保护范围。因此，虽然通过以上实施例对本申请进行了较为详细的说明，但是本申请不仅仅限于以上实施例，在不脱离本申请构思的情况下，还可以包括更多其他等效实施例，而本申请的范围由所附的权利要求范围决定。

Claims (16)

  1. 一种显示面板，包括：
    阵列基板，所述阵列基板包括显示区和围绕所述显示区的非显示区，所述显示区包括主动开关和像素单元，所述非显示区包括：
    柔性电路板，所述柔性电路板的第一端固定在所述阵列基板的非显示区，用于驱动所述像素单元显示；以及
    一固定件，所述固定件设置于所述柔性电路板上；
    其中，所述固定件使所述柔性电路板的第二端向所述阵列基板的显示区方向弯折，以使所述柔性电路板在所述阵列基板的投影位于所述非显示区。
  2. 根据权利要求1所述的显示面板，其中，所述柔性电路板弯折呈U型。
  3. 根据权利要求1所述的显示面板，其中，所述柔性电路板包括柔性基板、以及设置于所述柔性基板上的驱动芯片。
  4. 根据权利要求3所述的显示面板，其中，所述固定件为第一固定件；所述第一固定件设置于所述柔性基板设置有所述驱动芯片的一侧，所述第一固定件通过第一胶层与所述柔性基板的两端粘结。
  5. 根据权利要求4所述的显示面板，其中，所述第一固定件的形状为长方体，所述第一固定件相对的两个侧面与所述柔性基板的两端粘结。
  6. 根据权利要求3所述的显示面板，其中，所述固定件为第二固定件；所述第二固定件设置于所述柔性基板远离所述驱动芯片的一侧，所述第二固定件通过第二胶层与所述柔性基板粘结。
  7. 根据权利要求6所述的显示面板，其中，所述第二固定件的形状为U型，所述第二固定件的内侧与所述柔性基板粘结。
  8. 根据权利要求1所述的显示面板，其中，所述固定件的材料为橡胶或发 泡材料。
  9. 一种显示面板，包括：
    阵列基板，所述阵列基板包括显示区和围绕所述显示区的非显示区，所述显示区包括主动开关和像素单元，所述非显示区包括：
    柔性电路板，所述柔性电路板的第一端固定在所述阵列基板的非显示区，用于驱动所述像素单元显示，所述柔性电路板包括柔性基板以及设置于所述柔性基板上的驱动芯片；以及
    一固定件，所述固定件设置于所述柔性电路板上；
    其中，所述固定件使所述柔性电路板的第二端向所述阵列基板的显示区方向弯折，以使所述柔性电路板在所述阵列基板的投影位于所述非显示区；
    所述固定件设置于所述柔性基板设置有所述驱动芯片的一侧，所述固定件的形状为长方体、横截面为工字型的立方体或U型；或者，所述固定件设置于所述柔性基板远离所述驱动芯片的一侧，所述固定件的形状为U型。
  10. 根据权利要求9所述的显示面板，其中，所述柔性电路板弯折呈U型。
  11. 根据权利要求9所述的显示面板，其中，所述固定件为第一固定件；所述第一固定件设置于所述柔性基板设置有所述驱动芯片的一侧，所述第一固定件通过第一胶层与所述柔性基板的两端粘结。
  12. 根据权利要求11所述的显示面板，其中，所述第一固定件的形状为长方体，所述第一固定件相对的两个侧面与所述柔性基板的两端粘结。
  13. 根据权利要求9所述的显示面板，其中，所述固定件为第二固定件；所述第二固定件设置于所述柔性基板远离所述驱动芯片的一侧，所述第二固定件通过第二胶层与所述柔性基板粘结。
  14. 根据权利要求13所述的显示面板，其中，所述第二固定件的形状为U 型，所述第二固定件的内侧与所述柔性基板粘结。
  15. 根据权利要求9所述的显示面板，其中，所述固定件的材料为橡胶或发泡材料。
  16. 一种显示装置，包括：
    控制部件；以及
    如权利要求1所述的显示面板；
    所述控制部件向所述显示面板发送显示控制信号，以控制所述显示面板进行画面显示。
PCT/CN2017/102488 2017-08-01 2017-09-20 显示面板及显示装置 Ceased WO2019024191A1 (zh)

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