WO2017198090A1 - 显示装置 - Google Patents

显示装置 Download PDF

Info

Publication number
WO2017198090A1
WO2017198090A1 PCT/CN2017/083567 CN2017083567W WO2017198090A1 WO 2017198090 A1 WO2017198090 A1 WO 2017198090A1 CN 2017083567 W CN2017083567 W CN 2017083567W WO 2017198090 A1 WO2017198090 A1 WO 2017198090A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
outer frame
flexible circuit
display
panel
Prior art date
Application number
PCT/CN2017/083567
Other languages
English (en)
French (fr)
Inventor
徐健
乔勇
先建波
Original Assignee
京东方科技集团股份有限公司
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 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/574,830 priority Critical patent/US10274772B2/en
Publication of WO2017198090A1 publication Critical patent/WO2017198090A1/zh

Links

Images

Classifications

    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133311—Environmental protection, e.g. against dust or humidity
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/13332—Front frames
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133328—Segmented frames
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10128—Display
    • H05K2201/10136—Liquid Crystal display [LCD]

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display device.
  • the liquid crystal panel is located on the display side of the back panel, and the driving circuit board for driving the liquid crystal panel display is generally disposed on the back side of the back panel opposite to the display side or on the side of the back panel, and the liquid crystal
  • the panel and the driving circuit board are connected by a flexible circuit, and the flexible circuit connects the liquid crystal panel and the driving circuit board across the plastic frame disposed around the periphery of the backing plate.
  • a display device is provided.
  • a display device includes: a back panel; a display panel on a display side of the back panel; a driving circuit board on a non-display side of the back panel; an outer frame; a flexible circuit, the flexible circuit At least partially between the backplane and the outer frame and connecting the driving circuit board and the display panel; and a heat conducting structure between the flexible circuit and the outer frame, the heat conducting structure and The flexible circuit is in contact with and in contact with the outer frame.
  • the thermally conductive structure can include a heat dissipating layer in contact with the outer frame and a thermally conductive layer in contact with the flexible circuit.
  • the heat dissipation layer may include a silicone gasket
  • the heat conductive layer may include a heat conductive paper
  • the heat conductive paper is pasted on the silicone gasket.
  • the thermally conductive structure may comprise a flexible material.
  • the outer frame may include a front portion of the light-emitting surface edge of the display panel and a side portion disposed at the periphery of the display panel and the back panel; the heat-conducting structure and the outer frame The sides are in contact.
  • the display device may further include a plastic frame disposed between the back plate and the outer frame and surrounding the periphery of the back plate, the plastic frame is provided with a limiting groove; The circuit spans the plastic frame and is limited to the limiting slot.
  • the flexible circuit may have a driving circuit chip, and the flexible circuit may include: a first portion connected to the display panel on a display side of the backboard; and a display on the back panel a second portion of the side opposite the side connected to the drive circuit board; and a third portion between the plastic frame and the side of the outer frame and connecting the first portion and the second portion; The third portion is located in the limiting slot of the plastic frame.
  • the thermally conductive structure may be disposed to span both sides of the frame.
  • the thermally conductive structure is adhered to a side of the outer frame.
  • the side portion may only include a side panel disposed on a side of the backboard provided with a flexible circuit.
  • the display device may further include a back cover mated with the side panel for encapsulating the back panel and the display panel.
  • the side portion is a frame disposed around the side of the back panel and the display panel.
  • the side of the outer frame is provided with a convex portion, and the heat conductive layer is adhered to the convex portion.
  • the raised portion and the outer frame are of a unitary structure.
  • Figure 1 schematically shows a display device in accordance with one embodiment of the present invention
  • Figure 2 is a schematic view of a portion of the display device shown in Figure 1, showing a thermally conductive structure
  • FIG. 3 is a schematic illustration of a thermally conductive structure in accordance with another embodiment of the present invention.
  • FIG. 4 is a cross-sectional view schematically showing a display device in accordance with another embodiment of the present invention.
  • FIG. 5 schematically shows a cross-sectional view of a display device in accordance with another embodiment of the present invention.
  • a display device may include a backplane 1, a display panel 2 on the side of the backplane 1, and a driving circuit on the side of the backplane 1 facing away from the display panel 2.
  • the heat conducting structure 6 between the circuit 5 and the outer frame 4, the heat conducting structure 6 is in contact with the flexible circuit 5 and is in contact with the outer frame 4.
  • the “display side” of the backboard refers to the side of the back panel 1 on which the display panel 2 is mounted (for example, the left side in FIGS. 4 and 5), and the “non- The display side refers to the other side of the backboard 1 except the display panel 2, including the top side, the bottom side, the left side and the right side of the back panel (as shown in FIG. 1), and the back panel and display. The opposite side of the side (as shown in the right side of Figures 4 and 5).
  • the flexible circuit 5 in the display device has a better heat dissipation effect.
  • the thermally conductive structure 6 can be made of or comprise a flexible material. Since the flexible material generally has a certain flexibility and elasticity, the heat conducting structure 6 can be used to avoid direct rigid contact between the flexible circuit 5 and the outer frame 4 to cause wear defects.
  • the position of the flexible circuit 5 and the plastic frame 7 can be relatively fixed, so that the flexible circuit 5 can be prevented from moving, thereby facilitating the flexible circuit 5 and the heat conducting structure 6. Keep in contact with each other and avoid any wear that may be caused by the movement of the flexible circuit 5.
  • the display device of the present invention may further include a backlight 8 between the back panel 1 and the display panel 2 for providing backlighting to the display panel 2.
  • the outer frame 4 may include a front portion 41 for limiting the edge of the light exit surface of the display panel 2, and a side along the display panel 2 and the back panel 1
  • the side portion 42 is disposed sideways; the heat conducting structure 6 is in contact with the side portion 42 of the outer frame 4.
  • the side portion 42 may be a frame disposed around the side of the back panel 1 and the side of the display panel 2 for limiting the sides of the back panel 1 and the sides of the display panel 2.
  • the side portion 42 may also include only side plates disposed opposite to one side of the back plate on which the flexible circuit 5 is disposed.
  • the display device may include a back cover. 9. The back cover 9 is fitted with the side panel to package the back panel 1 and the display panel 2.
  • the flexible circuit 5 may have a driving circuit chip, and the flexible circuit 5 may specifically include: a display side connected to the display panel 2 on the display side of the backplane 1. a portion 51; a second portion 52 of the backplane 1 opposite the display side, a second portion 52 connected to the driving circuit board 3; and a portion between the plastic frame 7 and the side portion 42 of the outer frame 4 and connected to the first portion 51 and the third portion 53 of the second portion 52; wherein the third portion 53 is located in the limiting slot 71 of the plastic frame 7.
  • the thermally conductive structure 6 can include a heat dissipating layer in contact with the outer frame 4 and a thermally conductive layer in contact with the flexible circuit 5.
  • the heat dissipation layer is a silicone gasket 61
  • the thermal layer is a thermal conductive paper 62
  • the thermal conductive paper 62 is attached to the side of the flexible circuit 5 with the silicone spacer 61.
  • the heat conducting structure 6 is not limited to the above two material structures, and the heat conducting structure 6 of the present invention may also be composed of other flexible heat conductive materials.
  • the heat conducting structure 6 may be disposed to span both sides of the limiting slot 71 of the plastic frame 7, in particular, the heat conducting structure 6
  • the thermal conductive paper 62 is in contact with the third portion 53 of the flexible circuit 5, and the silicone gasket 61 is in contact with the side portion 42 of the outer frame 4; or, as shown in FIGS. 3 to 5, the silicone gasket of the heat conductive structure 6 61 can be attached to the side portion 42 of the outer frame 4, and the thermal paper 62 is in contact with the third portion 53 of the flexible circuit 5.
  • the side portion 42 of the outer frame 4 may be provided with a convex portion 43 on the side facing the flexible circuit 5, and the heat conducting structure 6 may be adhered to the convex portion 43. .
  • the raised portion 43 and the outer frame 4 may be of a unitary structure.
  • the flexible circuit may include only the display side on the backplane for connection A first portion of the display panel and a second portion on the side of the back panel (eg, the bottom side) for connecting the drive circuit board.
  • the thermally conductive structure may be adhered between the front portion of the outer frame and the first portion of the flexible circuit and in contact with both.
  • the number of the flexible circuits 5 for connecting the driving circuit board 3 and the display panel 2 may be one, two or more, and correspondingly, each flexible circuit 5 and the outside
  • the above heat conducting structure 6 can be provided between the frames 4.
  • the outer frame 4 when the outer frame 4 is made of a metal material, heat can be transferred to the outer frame 4 through the heat conducting structure 6 of a smaller size, thereby providing a large heat dissipation area and a better heat dissipation effect for the flexible circuit 5, and thus, heat conduction at this time.
  • the size of the structure 6 can be small; and when the outer frame 4 is made of a non-metal material, the size of the heat conductive structure 6 can be appropriately increased to assist heat dissipation.

Landscapes

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

Abstract

一种显示装置，包括：背板（1）；位于背板（1）显示侧的显示面板（2）；位于背板（1）非显示侧的驱动电路板（3）；外框（4）；柔性电路（5），柔性电路（5）至少部分地位于背板（1）与外框（4）之间并连接驱动电路板（3）和显示面板（2）；和位于柔性电路（5）与外框（4）之间的导热结构（6），导热结构（6）与柔性电路（5）相接触，且与外框（4）相接触。柔性电路（5）产生的热量通过导热结构（6）传导到外框（4），使柔性电路（5）的热量及时散出。

Description

显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种显示装置。
背景技术
现有的一种显示装置中，液晶面板位于背板的显示侧，用于驱动液晶面板显示的驱动电路板一般设置在背板的与显示侧相反的背侧或者设置在背板的侧面，液晶面板与驱动电路板之间通过柔性电路相连，柔性电路横跨过设置于背板周边的胶框将液晶面板与驱动电路板之间连接起来。上述显示装置，在其液晶面板工作时，由于柔性电路产生的热量非常多且这些热量无法及时散开，因此柔性电路容易由于高温导致其工作失常、甚至发生自烧毁现象。
发明内容
本发明的目的在于提出一种显示装置以至少部分地解决上述技术问题。
根据本发明的一个方面，提供了一种显示装置。
根据示例性的实施例，显示装置包括：背板；位于所述背板的显示侧的显示面板；位于所述背板的非显示侧的驱动电路板；外框；柔性电路，所述柔性电路至少部分地位于所述背板与所述外框之间并连接所述驱动电路板和所述显示面板；和位于所述柔性电路与所述外框之间的导热结构，所述导热结构与所述柔性电路相接触、且与所述外框相接触。
根据另一实施例，所述导热结构可包括与所述外框接触的散热层和与所述柔性电路接触的导热层。
根据另一实施例，所述散热层可包括硅胶垫片，所述导热层可包括导热纸，且所述导热纸粘贴在硅胶垫片上。
根据另一实施例，所述导热结构可包括柔性材料。
根据另一实施例，所述外框可包括釜盖所述显示面板的出光面边缘的前部以及设置于所述显示面板和背板周边的侧部；所述导热结构与所述外框的侧部相接触。
根据另一实施例，所述显示装置还可包括位于所述背板与所述外框之间、且围绕所述背板周边设置的胶框，所述胶框设有限位槽；所述柔性电路跨过所述胶框、且限位于所述限位槽内。
根据另一实施例，所述柔性电路可具有驱动电路芯片，且所述柔性电路可包括：位于所述背板的显示侧与所述显示面板相连的第一部分；位于所述背板的与显示侧相反的一侧与所述驱动电路板相连的第二部分；和位于所述胶框与所述外框的侧部之间并且连接所述第一部分与所述第二部分的第三部分；所述第三部分位于所述胶框的限位槽内。
根据另一实施例，所述导热结构可设置成跨越所述胶框的两侧。
根据另一实施例，所述导热结构粘贴于所述外框的侧部上。
优选地，所述侧部可仅包括设置在所述背板的设有柔性电路的一侧的侧板。
根据另一实施例，所述显示装置还可包括与所述侧板配合的后盖，以用于封装所述背板和所述显示面板。
根据另一实施例，所述侧部为围绕所述背板和所述显示面板的侧边设置的框体。
根据另一实施例，所述外框的侧部设有凸起部，所述导热层粘贴于所述凸起部上。
根据另一实施例，所述凸起部与所述外框为一体式结构。
附图说明
本发明的上述和其他目的将通过参照附图对示例性实施例进行描述而变得更加显而易见，其中：
图1示意性地示出了根据本发明的一个实施例的显示装置；
图2为图1中所示的显示装置的一部分的示意图，示出了导热结构；
图3示意性地示出了根据本发明另一实施例的导热结构；
图4示意性地示出了根据本发明另一实施例的显示装置的剖面图；
图5示意性地示出了根据发明另一实施例的显示装置的剖面图。
具体实施方式
下面将结合本发明的附图，对本发明的实施例进行清楚、完整地描述。在说明书和附图中，类似的附图标记用于指代类似的元件。本发明可以不同的形式实现，而不应当被解释为仅现有本文阐述的实施例。提供这些实施例的目的在于使本发明能够被彻底地和完整地理解，以便本领域技术人员能够充分地理解本发明的概念。
请参考图1～图5。
如图1～图5所示，本发明实施例提供的一种显示装置，可以包括背板1、位于背板1一侧的显示面板2、位于背板1背离显示面板2一侧的驱动电路板3、围绕背板1与显示面板2的周边设置的外框4；以及至少部分地位于背板1与外框4之间、连接驱动电路板3和显示面板2的柔性电路5；位于柔性电路5与外框4之间的导热结构6，导热结构6与柔性电路5相接触、且与外框4相接触。
需要说明的是，在本申请中，背板的“显示侧”指的是背板1的安装显示面板2的一侧(例如，图4和图5中的左侧)，背板的“非显示侧”指的是背板1的除安装显示面板2之外的其他侧，包括背板的顶侧、底侧、左侧和右侧(如图1所示)，以及背板的与显示侧相反的背侧(如图4和5中的右侧)。
根据上述实施例，通过在柔性电路5与外框4之间设置导热结构6，并使该导热结构6与柔性电路5和外框4相接触，使得柔性电路5产生的热量可以通过该导热结构6传导到外框4，进而实现使柔性电路5的热量及时散出。因此，该显示装置中的柔性电路5散热效果较好。
在示例性的实施例中，如图1～图5所示，导热结构6可由柔性材料制成或包括柔性材料。由于柔性材料通常具有一定的柔性和弹性，因此，利用该导热结构6可以避免柔性电路5与外框4直接刚性接触从而产生磨损不良。
在进一步的示例性实施例中，如图1～图3所示，本发明的显示装置还可以包括位于背板1与外框4之间、且围绕背板1周边设置的胶框7。该胶框7可以设有限位槽71，使得柔性电路5能够经由该限位槽71跨过该胶框7以连接显示面板和电路板且被保持在限位槽71内。
通过将柔性电路5限位于胶框7的限位槽71内，可以使柔性电路5与胶框7的位置相对固定，从而可以避免柔性电路5移动，进而有利于柔性电路5与导热结构6之间保持接触并避免因柔性电路5的移动而可能导致的任何磨损。
如图4所示，进一步地，本发明的显示装置还可以包括位于背板1与显示面板2之间、用于为显示面板2提供背光的背光源8。
根据示例性的实施例，如图4和图5所示，外框4可以包括用于对显示面板2的出光面边缘进行限位的前部41，以及沿显示面板2和背板1的侧边设置的侧部42；导热结构6与外框4的侧部42相接触。例如，如图4所示，侧部42可以为围绕背板1的侧边与显示面板2的侧边设置、用于对背板1的侧边与显示面板2的侧边进行限位的框体；或者，如图5所示，侧部42也可以仅包括与所述背板设有柔性电路5的一侧侧边相对设置的侧板，在这种情形下，显示装置可包括后盖9，后盖9与侧板配合封装所述背板1和所述显示面板2。
在示例性的实施例中，如图4和图5所示，柔性电路5可具有驱动电路芯片，且该柔性电路5具体可以包括：位于背板1的显示侧、与显示面板2相连的第一部分51；位于背板1的与所述显示侧相反的一侧、与驱动电路板3相连的第二部分52；以及，位于胶框7与外框4的侧部42之间并连接第一部分51与第二部分52的第三部分53；其中，第三部分53位于胶框7的限位槽71内。
如图1～图3所示，在示例性的实施例中，导热结构6可以包括与外框4接触的散热层和与柔性电路5接触的导热层。例如，散热层为硅胶垫片61，导 热层为导热纸62，导热纸62贴附于硅胶垫片61朝向柔性电路5一侧。当然，导热结构6并不限于上述两种材料结构，本发明的导热结构6也可以由其它柔性导热材料构成。
在上述实施例的基础上，一种优选的实施例中，如图1和图2所示，导热结构6可以设置成跨越胶框7的限位槽71的两侧，具体地，导热结构6中，导热纸62与柔性电路5的第三部分53相接触、硅胶垫片61与外框4的侧部42相接触；或者，如图3～图5所示，导热结构6的硅胶垫片61可以粘贴于外框4的侧部42上，且导热纸62与柔性电路5的第三部分53相接触。
如图3所示，在示例性的实施例中，外框4的侧部42在面对着柔性电路5一侧可以设有凸起部43，导热结构6可以粘贴于该凸起部43上。
通过在外框4的侧部设置所述凸起部43，可以确保导热结构6能够同时与柔性电路5和凸起部43相抵，进而可以确保导热结构6与柔性电路5和外框4同时相接触。
优选地，凸起部43与外框4可以为一体式结构。
本领域技术人员可以想到的是，若驱动电路板设置在背板的侧部(例如，如1中的背板的底侧)，则柔性电路可以只包括位于背板的显示侧、用于连接显示面板的第一部分，和位于背板侧部的(例如底侧)用于连接驱动电路板的第二部分。在这种情况下，导热结构可以粘贴在外框的前部与所述柔性电路的所述第一部分之间，并与二者接触。
需要说明的是，本发明的显示装置中，用于连接驱动电路板3和显示面板2的柔性电路5的个数可以为一个、两个或者多个，相应地，每一个柔性电路5与外框4之间都可以设有上述导热结构6。
另外，当外框4为金属材质时，通过较小尺寸的导热结构6即可以将热量传输至外框4，从而为柔性电路5提供较大散热面积和较好散热效果，因此，此时导热结构6的尺寸可以较小；而当外框4为非金属材质时，可以将导热结构6的尺寸适当增大，以辅助散热。
显然，本发明的技术方案可以应用在LCD、OLED等多种显示产品中。本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围，并且因此这些改动和变型皆落入本发明的范围之内。本发明的范围由所附权利要求及其等同技术方案确定。

Claims (14)

  1. 一种显示装置，包括：
    背板；
    位于所述背板的显示侧的显示面板；
    位于所述背板非显示侧的驱动电路板；
    外框；
    柔性电路，所述柔性电路至少部分地位于所述背板与所述外框之间连接所述驱动电路板和所述显示面板；和
    位于所述柔性电路与所述外框之间的导热结构，所述导热结构与所述柔性电路相接触、且与所述外框相接触。
  2. 根据权利要求1所述的显示装置，其中，所述导热结构包括与所述外框接触的散热层和与所述柔性电路接触的导热层。
  3. 根据权利要求2所述的显示装置，其中，所述散热层包括硅胶垫片，所述导热层包括导热纸，且所述导热纸粘贴在硅胶垫片上。
  4. 根据权利要求1所述的显示装置，其中，所述导热结构包括柔性材料。
  5. 根据权利要求1～4任一项所述的显示装置，其中，所述外框包括覆盖所述显示面板的出光面边缘的前部以及设置于所述显示面板和背板周边的侧部；
    所述导热结构与所述外框的侧部相接触。
  6. 根据权利要求5所述的显示装置，还包括位于所述背板与所述外框之间、且围绕所述背板周边设置的胶框，所述胶框设有限位槽；
    所述柔性电路跨过所述胶框、且限位于所述限位槽内。
  7. 根据权利要求6所述的显示装置，其中，所述柔性电路具有驱动电路芯片，且所述柔性电路包括：
    位于所述背板的显示侧并与所述显示面板相连的第一部分；
    位于所述背板的与显示侧相反的一侧与所述驱动电路板相连的第二部分；和
    位于所述胶框与所述外框的侧部之间并连接所述第一部分与所述第二部分的第三部分，所述第三部分位于所述胶框的限位槽内。
  8. 根据权利要求7所述的显示装置，其中，所述导热结构被设置成跨越所述胶框的限位槽的两侧。
  9. 根据权利要求5所述的显示装置，其中，所述导热结构粘贴于所述外框的侧部上。
  10. 根据权利要求9所述的显示装置，其中，所述侧部仅包括设置在所述背板的设有柔性电路的一侧的侧板。
  11. 根据权利要求10所述的显示装置，其中，所述显示装置还包括与所述侧板配合的后盖，以用于封装所述背板和所述显示面板。
  12. 根据权利要求9所述的显示装置，其中，所述侧部为围绕所述背板和所述显示面板的侧边设置的框体。
  13. 根据权利要求9～12任一项所述的显示装置，其中，所述外框的侧部设有凸起部，所述导热层粘贴于所述凸起部上。
  14. 根据权利要求12所述的显示装置，其中，所述凸起部与所述外框为一体式结构。
PCT/CN2017/083567 2016-05-17 2017-05-09 显示装置 WO2017198090A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/574,830 US10274772B2 (en) 2016-05-17 2017-05-09 Display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620448957.7U CN205620644U (zh) 2016-05-17 2016-05-17 一种显示装置
CN201620448957.7 2016-05-17

Publications (1)

Publication Number Publication Date
WO2017198090A1 true WO2017198090A1 (zh) 2017-11-23

Family

ID=57024005

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/083567 WO2017198090A1 (zh) 2016-05-17 2017-05-09 显示装置

Country Status (3)

Country Link
US (1) US10274772B2 (zh)
CN (1) CN205620644U (zh)
WO (1) WO2017198090A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205620644U (zh) 2016-05-17 2016-10-05 京东方科技集团股份有限公司 一种显示装置
KR102552047B1 (ko) 2016-11-24 2023-07-07 엘지디스플레이 주식회사 디스플레이 장치
CN109275323B (zh) * 2018-11-22 2021-12-17 努比亚技术有限公司 一种移动终端及其散热方法、散热装置、柔性电路板
CN110737124B (zh) 2019-10-24 2021-11-30 京东方科技集团股份有限公司 一种框架和显示装置
CN111638609B (zh) * 2020-06-12 2023-05-12 海信视像科技股份有限公司 显示装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020048152A1 (en) * 2000-09-29 2002-04-25 Ibm IC heat radiation structure and display device
CN1665383A (zh) * 2003-11-28 2005-09-07 三星Sdi株式会社 散热改进的装置
CN201097039Y (zh) * 2007-09-28 2008-08-06 群康科技(深圳)有限公司 液晶显示装置
CN102661554A (zh) * 2012-02-10 2012-09-12 友达光电股份有限公司 背光模块及其散热设计
CN202581233U (zh) * 2012-05-31 2012-12-05 深圳Tcl新技术有限公司 背光模组散热装置和液晶显示器
CN103096627A (zh) * 2012-11-14 2013-05-08 南京市江宁区丁卯电子科技中心 一种柔性电路板散热部的加工方法
CN103925531A (zh) * 2014-05-08 2014-07-16 青岛海信电器股份有限公司 一种背光模组及液晶显示装置
CN204269982U (zh) * 2014-11-14 2015-04-15 Tcl光电科技(惠州)有限公司 Lcd模组及其散热结构
CN205620644U (zh) * 2016-05-17 2016-10-05 京东方科技集团股份有限公司 一种显示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3983120B2 (ja) * 2001-07-30 2007-09-26 富士通日立プラズマディスプレイ株式会社 Ｉｃチップの実装構造及びディスプレイ装置
KR100696517B1 (ko) * 2005-05-02 2007-03-19 삼성에스디아이 주식회사 플라즈마 디스플레이 모듈의 집적회로칩 방열 구조 및 이를구비한 플라즈마 디스플레이 모듈
JP2009267985A (ja) * 2008-04-28 2009-11-12 Fujitsu Ltd 携帯端末装置
CN102917574B (zh) * 2012-10-24 2015-05-27 华为技术有限公司 导热垫、制造导热垫的方法、散热装置和电子设备

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020048152A1 (en) * 2000-09-29 2002-04-25 Ibm IC heat radiation structure and display device
CN1665383A (zh) * 2003-11-28 2005-09-07 三星Sdi株式会社 散热改进的装置
CN201097039Y (zh) * 2007-09-28 2008-08-06 群康科技(深圳)有限公司 液晶显示装置
CN102661554A (zh) * 2012-02-10 2012-09-12 友达光电股份有限公司 背光模块及其散热设计
CN202581233U (zh) * 2012-05-31 2012-12-05 深圳Tcl新技术有限公司 背光模组散热装置和液晶显示器
CN103096627A (zh) * 2012-11-14 2013-05-08 南京市江宁区丁卯电子科技中心 一种柔性电路板散热部的加工方法
CN103925531A (zh) * 2014-05-08 2014-07-16 青岛海信电器股份有限公司 一种背光模组及液晶显示装置
CN204269982U (zh) * 2014-11-14 2015-04-15 Tcl光电科技(惠州)有限公司 Lcd模组及其散热结构
CN205620644U (zh) * 2016-05-17 2016-10-05 京东方科技集团股份有限公司 一种显示装置

Also Published As

Publication number Publication date
US10274772B2 (en) 2019-04-30
CN205620644U (zh) 2016-10-05
US20180246367A1 (en) 2018-08-30

Similar Documents

Publication Publication Date Title
WO2017198090A1 (zh) 显示装置
US9594208B2 (en) Backlight module and display device
US10444557B2 (en) Display module and display device
US9939672B2 (en) Electronic device with heat spreading film
JP5933509B2 (ja) 液晶表示装置
JP2008026866A (ja) 表示装置
TWI472833B (zh) 顯示裝置
US9939142B2 (en) Backlight module and display device
US10809431B2 (en) Polarizer and touch device
US10001665B2 (en) Display device for preventing moisture infiltration
WO2013040804A1 (zh) 液晶显示装置
JP2013073184A5 (zh)
US10345510B2 (en) Liquid crystal display
US10684409B2 (en) Backlight module and liquid crystal display device
WO2016101371A1 (zh) 背光模组及显示器
WO2017193654A1 (zh) 显示面板及显示装置
JP7090566B2 (ja) 表示装置
WO2018232790A1 (zh) 背光模组及液晶显示模组
TW201810583A (zh) 薄膜覆晶(cof)封裝及包含其的顯示裝置
US20150370120A1 (en) Display device with heat dissipating chassis
TWI637364B (zh) 電子裝置
JP2013073185A5 (zh)
KR102354912B1 (ko) 백라이트용 광원 유닛 및 이를 갖는 액정 표시 장치
KR102177589B1 (ko) 액정표시장치
US20140375924A1 (en) Display device

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 15574830

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17798653

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02.05.2019)

122 Ep: pct application non-entry in european phase

Ref document number: 17798653

Country of ref document: EP

Kind code of ref document: A1