WO2017177848A1 - 显示模组及显示设备 - Google Patents
显示模组及显示设备 Download PDFInfo
- Publication number
- WO2017177848A1 WO2017177848A1 PCT/CN2017/079442 CN2017079442W WO2017177848A1 WO 2017177848 A1 WO2017177848 A1 WO 2017177848A1 CN 2017079442 W CN2017079442 W CN 2017079442W WO 2017177848 A1 WO2017177848 A1 WO 2017177848A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- display module
- chip
- printed circuit
- circuit board
- heat
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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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
- G02F1/1333—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
- G02F1/133382—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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- 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
- H05K1/0203—Cooling of mounted components
-
- 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
-
- 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
- H05K7/20454—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 with a conformable or flexible structure compensating for irregularities, e.g. cushion bags, thermal paste
-
- 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
Definitions
- the present invention relates to the field of display technologies, and in particular, to a display module and a display device.
- TFT-LCD Thin Film Transistor Liquid Crystal Display
- FIG. 1 and 2 are respectively a schematic diagram of a heat dissipation structure of a chip of a display module of the prior art and an enlarged cross-sectional view of a portion of FIG.
- a chip on film COF
- COF chip on film
- the back side of the backboard is bent (the backlight module and the cover plate shown below), the chip 4 is packaged on the flip chip 1 , and the cover plate fixed to the back side of the back panel of the backlight module is printed circuit
- the board 3 and the chip 4 are covered and protected.
- the prior art generally adopts a heat dissipation patch 5 for covering the chip 4 on the flip chip 1 , so that the chip 4 is attached to the flip chip 1 . Cool down.
- a disadvantage of the prior art is that since the flip chip 1 and the heat dissipating patch 5 have a certain flexibility, when the heat dissipating patch 5 and the flip chip 1 are bonded, the flip chip 1 and the heat dissipating patch 5 need to be maintained.
- the flattening (shown by the dashed line in Fig. 2) is extremely inconvenient to operate, especially for a large-sized display module, and the number of the flip chip 1 is generally up to several tens, making the operation cumbersome, time consuming and laborious.
- the soldering film 5 is easily pulled between the two, which causes the flip chip 1 and the liquid crystal panel to be pulled. 2 or the printed circuit board 3 is in poor contact, and if the flip chip 1 and the heat dissipating patch 5 are not firmly bonded, a gap is formed between the two, and the heat dissipation effect is greatly reduced.
- the heat dissipation structure of the chip is similar to that described above, and therefore, similar technical problems as described above exist.
- the invention provides a display module and a display device, the purpose of which is to improve the convenience of assembly of the display module, improve the heat dissipation effect of the chip, and further improve the product quality of the display device.
- Embodiments of the present invention provide a display module including a display panel, at least one flip chip, a printed circuit board, and a cover, wherein:
- the printed circuit board is located on a back side of the display panel
- One end of the flip chip is connected to the display panel, and the other end is bent toward the back side of the display panel and connected to the printed circuit board.
- the portion of the flip chip that is bent toward the back side of the display panel is packaged with a chip;
- the cover plate is located on the back side of the printed circuit board and covers the printed circuit board.
- the position of each cover film corresponding to each of the flip chip is provided with a heat conducting block in thermal contact with the chip.
- a position of each flip chip of the cover plate is disposed with a heat conducting block in thermal contact with the chip, and the heat conducting block can transfer heat of the chip and disperse heat of the chip to the cover plate.
- the heat conducting block can transfer heat of the chip and disperse heat of the chip to the cover plate.
- the heat conducting block is not bonded to the chip, the assembly of the display module can be simplified, and the line contact failure caused by disassembling the heat sink patch in the prior art can be avoided, thereby improving the product quality of the display device.
- the heat conducting block is a thermal block.
- the thermal block has a certain elasticity and can be tightly pressed into contact with the chip, thereby achieving better heat conduction and heat dissipation effect on the chip.
- the position of the cover plate corresponding to each of the flip chip is provided with a notch, and the heat conducting block is interference fit in the notch.
- the structural design facilitates assembly and disassembly of the heat conducting block and the cover plate, and is convenient for replacing the heat conducting block of a suitable material according to the heat dissipation requirement of the chip.
- the heat conducting block comprises: a first limiting portion and a second limiting portion positioned on two sides of the cover plate, and a connecting portion with the notched interference fit.
- the heat conducting block is inserted into the notch and the interference fit, the heat conducting block and the cover plate are conveniently assembled and positioned, and the heat conducting block is not easily detached from the upper and lower sides of the cover plate, so that the assembly of the heat conducting block and the notch is relatively firm.
- the inlet of the notch has a pair of limiting projections.
- the display module further includes a front frame and a metal back shell connected to the front frame, wherein the display panel, the at least one flip chip, the printed circuit board and the cover are located in the front frame and the metal back shell
- the thermally conductive block is in thermal contact with the metal back shell.
- the display module further includes a front frame and a rear case connected to the front frame, the inner side of the rear case is provided with a heat sink, the display panel, at least one flip chip, a printed circuit board and a cover plate Located between the front frame and the rear case, the heat conducting block is in thermal contact with the heat sink.
- the heat sink is bonded to the inner side surface of the rear case.
- the heat sink is bonded to the back shell, so that the assembly and disassembly of the heat sink are convenient, so that Replace the heat sink of the appropriate material for heat dissipation.
- the heat sink has a layer structure, and the layer structure comprises at least one of a graphite layer, a metal layer and a heat sink layer.
- the embodiment of the invention further provides a display device, comprising the display module according to any of the foregoing technical solutions.
- the display module of the display device is convenient to assemble, the heat dissipation effect of the chip is better, and the display device has better product quality.
- FIG. 1 is a schematic diagram of a heat dissipation structure of a chip of a display module of the prior art
- Figure 2 is an enlarged cross-sectional view taken along line B of Figure 1;
- FIG. 3 is an exploded perspective view of a display module according to an embodiment of the present invention.
- Figure 4 is an exploded perspective view of the portion C of Figure 3;
- FIG. 5 is a cross-sectional view showing a heat dissipation structure of a chip of a display module according to an embodiment of the present invention
- Figure 6 is a schematic diagram of heat conduction at D of Figure 5.
- 16-heat conducting block 17-notch; 161-first limiting portion; 162-second limiting portion; 163-connecting portion;
- 171-limit projection 18-front frame; 19-back shell; 20-heat sink.
- the embodiment of the invention provides a display module and a display device.
- the present invention will be further described in detail below.
- front can be understood as a display device including a display module, which is close to the side of the viewer when in normal use, and “back” can be understood as a side of the component away from the viewer.
- the specific type of the display module is not limited, and may be, for example, a TFT-LCD display module, an OLED display module, or the like.
- the display module of the TFT-LCD as an example, in addition to the above components, the display module generally includes a backlight module, a front frame, a rear case, and the like, and the printed circuit board is located on the back side of the back panel of the backlight module, and the cover plate passes The screws are attached to the backplane and cover the printed circuit board to protect the printed circuit board.
- the display module provided by the embodiment of the present invention includes a display panel 11, at least one flip chip 12, a printed circuit board 13 and a cover plate 14, wherein:
- the printed circuit board 13 is located on the back side of the display panel 11;
- One end of the flip chip 12 is connected to the display panel 11, the other end is bent toward the back side of the display panel 11 and connected to the printed circuit board 13, the portion of the flip chip 12 bent toward the back side of the display panel 11 is packaged with a chip 15;
- the cover plate 14 is located on the back side of the printed circuit board 13 and covers the printed circuit board 13. The position of the cover plate 14 corresponding to each of the flip chip 12 is provided with a heat conducting block 16 in thermal contact with the chip 15.
- the cover plate 14 is generally made of a metal material having a good heat dissipation property, and is preferably made of an aluminum material having a low cost and a high thermal conductivity.
- the shape of the cover plate 14 can be designed according to the shape of the printed circuit board 13 and the heat dissipation area requirement.
- the position of the cover plate 14 corresponding to each of the flip chip 12 is provided with a heat conducting block 16 in thermal contact with the chip 15, and the heat conducting block 16 can transfer the heat of the chip 15 and disperse the heat of the chip 15.
- the heat is applied to the cover plate 14 to gradually dissipate the heat of the chip 15, thereby improving the heat dissipation effect of the chip 15.
- the specific material type of the heat conducting block 16 is not limited, and for example, an aluminum block, a copper block, a thermal conductive block, or the like can be used.
- a thermal conductive rubber block such as a thermal conductive silicone block, a thermal conductive silicone rubber block, a thermal conductive rubber block, etc.
- the thermal conductive rubber block has a certain elasticity, and can be closely pressed into contact with the chip 15, thereby achieving better heat conduction and heat dissipation for the chip 15. effect.
- the heat conducting block 16 and the chip 15 are non-bonded Therefore, the assembly of the display module can be simplified, and the line contact failure caused by disassembling the heat dissipation patch in the prior art can be avoided, thereby improving the product quality of the display device.
- the position of the cover plate 14 corresponding to each of the flip chip 12 is provided with a notch 17, and the heat conducting block 16 is interference fit in the notch 17.
- the structural design facilitates assembly and disassembly of the heat conducting block 16 and the cover plate 14 to facilitate replacement of the heat conducting block 16 of a suitable material according to the heat dissipation requirements of the chip 15.
- the heat conducting block 16 includes a first limiting portion 161 and a second limiting portion 162 which are positioned on both sides of the cover plate 14 and a connecting portion 163 which is assembled with the notch 17 .
- the heat conducting block 16 is inserted into the notch 17 and is interference fit, the heat conducting block 16 and the cover plate 14 are conveniently assembled and positioned, and the heat conducting block 16 is not easily detached from the upper and lower sides of the cover plate 14, thereby making the heat conducting block 16 and the gap.
- the assembly of 17 is relatively strong.
- the inlet of the notch 17 has a pair of limiting projections 171.
- the display module further includes a front frame 18 and a rear case 19 connected to the front frame 18.
- the inner side of the rear case 19 is provided with a heat sink 20, a display panel 11, at least one flip chip 12,
- the printed circuit board 13 and the cover 14 are located between the front frame 18 and the rear case 19, and the heat conducting block 16 is in thermal contact with the heat sink 20.
- the fins 20 are bonded to the inner side surface of the rear case 19.
- the heat sink 20 is bonded to the rear case 19, so that the assembly and disassembly of the heat sink 20 are relatively convenient, so that the heat sink 20 of a suitable material or area size can be replaced according to the heat dissipation requirement.
- the heat of the chip 15 is dissipated through the heat conducting block 16 and further through the heat sink 20, and the heat dissipation efficiency is high.
- the specific structure of the heat sink 20 is not limited, and may have a layer structure, and the layer structure may include at least one of a graphite layer, a metal layer, and a heat sink layer.
- the rear case 19 is preferably made of a metal such as aluminum or aluminum alloy, so that the heat transferred from the heat sink is quickly dissipated to the outside.
- the heat radiated by the chip 15 is led out through the heat conducting block 16, and further through the heat sink 20 and the metal back shell 19, while being parallel to the display panel 11,
- the heat radiated from the chip 15 is dispersed through the heat transfer block 16 to the cover 14, the heat sink 20, and the gold
- the heat of the chip 15 is gradually dissipated through a plurality of parts, and the heat dissipation efficiency is greatly improved compared with the prior art.
- the notches 17 of the cover 14 are first inserted into the heat conducting block 16, and then the flip chip 12 and the printed circuit board 13 are bent toward the back side of the display panel 11. Then, the cover plate 14 is fixed on the back side of the display panel 11, at which time the cover plate 14 covers the printed circuit board 13, and each of the heat-conducting blocks 16 is tightly pressed with the corresponding chip 15, and finally the above components are attached with heat dissipation.
- the rear case 19 of the sheet 20 and the front frame 18 are assembled. After the display module is assembled, the chip 15 is pressed tightly with the heat conducting block 16, and the heat conducting block 16 is in contact with the heat sink 20.
- the display module further includes a front frame and a metal back shell connected to the front frame, the display panel, the at least one flip chip, the printed circuit board and the cover plate being located between the front frame and the metal back shell
- the heat conducting block is in thermal contact with the metal back shell. The heat of the chip is radiated to the outside through the heat conducting block and then through the metal back shell, and the heat dissipation efficiency is also relatively high.
- the embodiment of the invention further provides a display device, comprising the display module according to any of the foregoing technical solutions.
- the display module of the display device is convenient to assemble, the heat dissipation effect of the chip is better, and the display device has better product quality.
- the specific type of the display device is not limited, and may be, for example, a flat panel television, a flat panel display, a tablet computer, an electronic paper, or the like.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (10)
- 一种显示模组,其特征在于,包括显示面板、至少一个覆晶薄膜、印刷电路板和盖板,其中:所述印刷电路板位于显示面板的背侧;所述覆晶薄膜一端与显示面板连接,另一端向显示面板的背侧弯折并与印刷电路板连接,所述覆晶薄膜向显示面板背侧弯折的部分封装有芯片;所述盖板位于印刷电路板的背侧并遮盖印刷电路板,所述盖板的对应每个覆晶薄膜的位置设置有与芯片导热接触的导热块。
- 如权利要求1所述的显示模组,其特征在于,所述导热块为导热胶块。
- 如权利要求1所述的显示模组,其特征在于,所述盖板的对应每个覆晶薄膜的位置设置有缺口,所述导热块过盈装配于缺口内。
- 如权利要求3所述的显示模组,其特征在于,所述导热块包括:定位于盖板两侧的第一限位部和第二限位部,以及与缺口过盈装配的连接部。
- 如权利要求3所述的显示模组,其特征在于,所述缺口的进口处具有一对限位凸起。
- 如权利要求1所述的显示模组,其特征在于,所述显示模组还包括前框以及与前框连接的金属后壳,所述显示面板、至少一个覆晶薄膜、印刷电路板和盖板位于所述前框和金属后壳之间,所述导热块与金属后壳导热接触。
- 如权利要求1所述的显示模组,其特征在于,所述显示模组还包括前框以及与前框连接的后壳,所述后壳的内侧设置有散热片,所述显示面板、至少一个覆晶薄膜、印刷电路板和盖板位于所述前框和后壳之间,所述导热块与 散热片导热接触。
- 如权利要求7所述的显示模组,其特征在于,所述散热片与后壳的内侧表面粘接。
- 如权利要求7所述的显示模组,其特征在于,所述散热片具有层结构,所述层结构包括石墨层、金属层和散热胶层中的至少一种。
- 一种显示设备,其特征在于,包括如权利要求1~9任一项所述的显示模组。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/743,180 US10444557B2 (en) | 2016-04-13 | 2017-04-05 | Display module and display device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610228560.1 | 2016-04-13 | ||
CN201610228560.1A CN105676502B (zh) | 2016-04-13 | 2016-04-13 | 一种显示模组及显示设备 |
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WO2017177848A1 true WO2017177848A1 (zh) | 2017-10-19 |
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PCT/CN2017/079442 WO2017177848A1 (zh) | 2016-04-13 | 2017-04-05 | 显示模组及显示设备 |
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US (1) | US10444557B2 (zh) |
CN (1) | CN105676502B (zh) |
WO (1) | WO2017177848A1 (zh) |
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US10444557B2 (en) | 2019-10-15 |
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