WO2020135268A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

Info

Publication number
WO2020135268A1
WO2020135268A1 PCT/CN2019/127129 CN2019127129W WO2020135268A1 WO 2020135268 A1 WO2020135268 A1 WO 2020135268A1 CN 2019127129 W CN2019127129 W CN 2019127129W WO 2020135268 A1 WO2020135268 A1 WO 2020135268A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
glass plate
heat sink
rear case
display panel
Prior art date
Application number
PCT/CN2019/127129
Other languages
English (en)
Chinese (zh)
Inventor
罗晓
陈振洋
何章建
姬昌生
Original Assignee
深圳Tcl新技术有限公司
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 深圳Tcl新技术有限公司 filed Critical 深圳Tcl新技术有限公司
Publication of WO2020135268A1 publication Critical patent/WO2020135268A1/fr

Links

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
    • 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

Definitions

  • the present application relates to the technical field of display devices, and particularly to a display device.
  • the module architecture of the existing liquid crystal display device can be summarized into two types.
  • the first architecture includes (from outside to inside) a front frame, a plastic frame, a diaphragm, a glass plate, a reflective sheet, a back plate, and a glass plate It is installed on the back plate with the reflective sheet, the plastic frame is installed on the periphery of the back plate and is connected to the glass plate, the film and the screen are installed on the plastic frame, and the front frame is sleeved on the peripheral edge of the plastic frame and the screen, resulting in a large number of module structural components. Module assembly is complex and costly;
  • the second structure is (from the outside to the inside) including the middle frame, diaphragm, glass plate, reflective sheet, and back plate, the middle frame is installed on the periphery of the back plate, and the reflector, glass plate, and diaphragm are installed in order on the back On the board, the screen is installed on the middle frame, and the module assembly is complicated.
  • the main purpose of the present application is to provide a display device, which aims to provide a display device with simple assembly, low cost, and ultra-thin thickness.
  • a display device proposed in this application includes:
  • the heat dissipation component includes a heat sink, and the heat sink is accommodated and limited to the installation slot;
  • the backlight module includes a glass plate, the glass plate is located on a side of the heat sink facing away from the mounting groove, and both ends of the glass plate extend to connect with the end wall of the mounting groove;
  • the adhesive layer is interposed between the glass plate and the end wall of the installation groove, and is arranged to fix the glass plate.
  • the display device further includes a display panel, and the display panel is disposed on a side of the glass plate away from the heat sink.
  • the backlight module further includes a reflective sheet, and the reflective sheet is sandwiched between the heat sink and the glass plate.
  • the display device further includes a rear case, the rear case is provided on a side of the clamping assembly facing away from the glass plate, and the rear case has an accommodating space provided to accommodate an external device.
  • the bottom wall of the mounting groove is provided with a through hole
  • the radiator is provided with a matching hole corresponding to the through hole
  • the radiator is fixed to the through hole and the matching hole by bolts The clamping assembly.
  • the display device further includes a display panel, and the display panel is disposed on a side of the glass plate away from the heat sink.
  • the backlight module further includes a reflective sheet, and the reflective sheet is sandwiched between the heat sink and the glass plate.
  • the display device further includes a rear case, the rear case is provided on a side of the clamping assembly facing away from the glass plate, and the rear case has an accommodating space provided to accommodate an external device.
  • the clamping assembly includes two clamping members disposed oppositely, the two clamping members enclose to form the mounting groove, and each clamping member includes a baffle and a clamp with the baffle In the splint provided at the corner, the baffle is provided with the through hole.
  • the display device further includes a display panel, and the display panel is disposed on a side of the glass plate away from the heat sink.
  • the backlight module further includes a reflective sheet, and the reflective sheet is sandwiched between the heat sink and the glass plate.
  • the display device further includes a rear case, the rear case is provided on a side of the clamping assembly facing away from the glass plate, and the rear case has an accommodating space provided to accommodate an external device.
  • a gasket is interposed between the heat sink and each clamping plate.
  • the backlight module further includes a reflective sheet, and the reflective sheet is sandwiched between the heat sink and the glass plate.
  • the display device further includes a rear case, the rear case is provided on a side of the clamping assembly facing away from the glass plate, and the rear case has an accommodating space provided to accommodate an external device.
  • the display device further includes a display panel, and the display panel is disposed on a side of the glass plate away from the heat sink.
  • the backlight module further includes a decorative frame disposed around the periphery of the glass plate and the display panel, the decorative frame includes a connected plug board and a protective sleeve, and the plug board is clamped to the Between the display panel and the glass plate.
  • an elastic layer is provided on the side of the protective sleeve away from the insert plate.
  • the backlight module further includes a light bar, an end of the heat sink protruding away from the clamping assembly is provided with a boss, and the light bar is provided on the boss and opposite to the glass plate .
  • the display panel and the glass plate are provided with an adhesive near a joint of one side of the light bar, and the display panel is connected to the glass plate through the adhesive.
  • the heat sink of the heat dissipation component is accommodated in the mounting groove to fix the clamping component to the heat dissipation component
  • the adhesive layer is provided on the end wall of the mounting groove, and both ends of the glass plate extend away from the adhesive layer
  • FIG. 1 is a schematic structural diagram of a display device according to Embodiment 1 of the present application.
  • FIG. 2 is a cross-sectional view of A-A in FIG. 1;
  • Fig. 3 is a cross-sectional view of B-B in Fig. 1.
  • fixed may be a fixed connection, a detachable connection, or integrated; It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary. It can be the connection between two elements or the interaction between two elements, unless otherwise clearly defined.
  • This application proposes a display device.
  • the display device includes:
  • the clamping assembly 20 is provided with a mounting groove 21A;
  • the heat dissipation assembly 10 includes a heat sink 11, which is accommodated in and limited to the installation slot 21A;
  • the backlight module 30 includes a glass plate 31, which is located on the side of the heat sink 11 facing away from the mounting groove 21A, and both ends of the glass plate 31 extend to be connected to the end wall of the mounting groove 21A;
  • the adhesive layer 40 is interposed between the glass plate 31 and the end wall of the mounting groove 21A, and is provided to fix the glass plate 31.
  • the clamping assembly 20 when the heat sink 11 is accommodated in the mounting slot 21A, the clamping assembly 20 is configured to fix the heat dissipation assembly 10, and of course, the clamping assembly 20 can be matched with the heat sink 11 through the mounting slot 21A to achieve a plug-in manner
  • the fixed connection, or the clamping assembly 20 is divided into two parts.
  • the two parts form a mounting groove 21A. While the heat sink 11 is accommodated in the mounting groove 21A, the two parts clamp the heat sink 11 to achieve a fixed connection in a clamping manner.
  • the display device further includes a reflective sheet 32, a display panel 33, and a light bar 35;
  • the reflective sheet 32 is interposed between the radiator 11 and the glass plate 31, and the display panel 33 is disposed on the side of the glass plate 31 away from the radiator 11;
  • the end of the radiator 11 away from the clamping assembly 20 is convexly provided with a boss 12, and the light bar 35 is provided on the boss 12 and opposite to the glass plate 31;
  • the light bar 35 When the light bar 35 is lit, the light source will be incident toward the glass plate 31, and the glass plate 31 will scatter light to the surroundings. When the light is refracted to the reflection sheet 32, the light will be reflected toward the display panel 33, effectively improving the light utilization rate ;
  • a diaphragm is provided between the glass plate 31 and the display panel 33.
  • the glass plate 31 conducts light toward the display panel 33, the light will pass through the diaphragm, effectively achieving uniform light, and converging a large angle of light for frontal observation The role.
  • the heat sink 11 of the heat dissipation component 10 is accommodated in the mounting groove 21A, so that the clamping component 20 fixes the heat dissipation component 10, the adhesive layer 40 is provided on the end wall of the mounting groove 21A, and both ends of the glass plate 31 extend to Connected to the side of the glue layer 40 away from the clamping assembly 20, on the one hand, it effectively realizes a borderless and backboard, and is simple to assemble, low in cost, and ultra-thin.
  • the heat sink 11 will facilitate heat dissipation and improve use life.
  • the bottom wall of the mounting groove 21A is provided with a through hole 2111
  • the heat sink 11 is provided with a matching hole 111 corresponding to the through hole 2111.
  • the heat sink 11 is fixed to the clamping assembly 20 by bolts and the through hole 2111 and the matching hole 111.
  • the bolt and the through hole 2111 and the matching hole 111 fix the clamping assembly 20 to the heat sink 11.
  • the design is not limited to this.
  • the through hole 2111 and the matching hole 111 are threaded holes, and a screw and the through hole 2111 are screwed to the matching hole 111 to effectively achieve a stable connection;
  • the screw passing through the through hole 2111 and the matching hole 111 will abut the reflective sheet 32, effectively pressing the reflective sheet 32 toward the glass plate 31, so that The reflection sheet 32 is sandwiched between the screw and the glass plate 31 to form a fix.
  • the bolt When the end of the bolt is provided with double-sided adhesive, the bolt is connected to the reflective sheet 32 through the double-sided adhesive, effectively restricting the reflective sheet 32 to be located between the radiator 11 and the glass plate 31, and preventing the reflective sheet 32 from moving.
  • the clamping assembly 20 includes two clamping members 21 disposed oppositely.
  • the two clamping members 21 enclose to form a mounting groove 21A.
  • Each clamping member 21 includes a baffle 211 and A through hole 2111 is opened in the baffle 212 provided at an angle and the baffle 211.
  • the structure of the clamping member 21 is not limited, and any structure capable of clamping the radiator 11 by the two clamping members 21 is similarly included in the protection scope of the present application.
  • the clamping member 21 is preferably an L-shaped structure.
  • the two L-shaped clamping members 21 are beneficial to form a mounting groove 21A that can restrict the movement of the radiator 11.
  • the through hole 2111 is provided in the baffle 211, and the bolt passes through the through hole 2111 and the matching hole 111 so that the clamping member 21 is fixed to the heat sink 11.
  • a gasket 22 is interposed between the heat sink 11 and each clamping plate 212.
  • the gasket 22 is a cushion pad, on the one hand, it effectively avoids the abrasion between the radiator 11 and the clamping plate 212, and on the other hand, it effectively absorbs shock and compression.
  • the backlight module 30 further includes a decorative frame 34 disposed around the periphery of the glass plate 31 and the display panel 33.
  • the decorative frame 34 includes a connected plug board 341 and a protective sleeve 342, and the plug board 341 is clamped to the display panel Between 33 and the glass plate 31.
  • the decorative frame 34 is an integrally formed structure, which is conducive to production and improves production efficiency.
  • the protective cover 342 includes at least three frames, three frames surround the receiving groove, and one end of the insert plate 341 is connected to the three frames to make the plug.
  • the board 341 divides the accommodating groove into an upper groove and a lower groove, the display panel 33 is accommodated in the upper groove, and the glass plate 31 is accommodated in the lower groove, wherein the interposer 341 and the display panel 33 are fixedly connected by adhesive, and the protective cover 342
  • the inner wall clamps the opposite sides of the glass plate 31 to achieve a stable connection. On the one hand, it is conducive to assembly and improves production efficiency. On the other hand, it protects the periphery of the display panel 33 and the glass plate 31 from collision or friction, and prevents abrasion or collapse.
  • the protective layer 342 is provided with an elastic layer 3421 on the side away from the insert plate 341. It can be understood that the elastic force of the elastic layer 3421 is beneficial to reduce the buffering force and effectively prevent collision.
  • the display panel 33 and the glass plate 31 are provided with an adhesive at the seam adjacent to the side of the light bar 35.
  • the display panel 33 is connected to the glass plate 31 through the adhesive.
  • the adhesive can be EVA adhesive layer 40, glue, or double-sided adhesive.
  • the thickness of the adhesive is greater than the thickness of the diaphragm and the interposer 341, which effectively avoids the mutual influence of the diaphragm and the display panel 33.
  • the adhesive and the interposer 341 cooperate The peripheral edges on one side of the display panel 33 are installed to achieve fixed installation of the display panel 33, so that the display panel 33 can be easily disassembled and maintained in the future.
  • the display device further includes a rear case 50, which is disposed on a side of the clamping assembly 20 facing away from the glass plate 31, and the rear case 50 has a receiving space 51 configured to receive an external device.
  • the rear case 50 is provided with an opening communicating with the accommodating space 51, the two clamping members 21 are respectively opposite to the two sides of the opening of the rear case 50, and the opposite surfaces of the rear case 50 and the two clamping members 21 are respectively provided
  • a plurality of mounting holes communicating with the accommodating space 51 are provided on one side of the rear case 50, and each mounting hole is provided to display an interface device on an external device.

Landscapes

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

Abstract

Dispositif d'affichage comprenant un ensemble de serrage (20) ayant un évidement d'installation (21A) ; un ensemble de dissipation de chaleur (10) comprenant un dispositif de dissipation de chaleur (11) logé et limité à l'intérieur de l'évidement d'installation (21A) ; un module de rétroéclairage (30) comprenant une plaque de verre (31) positionnée sur un côté du dispositif de dissipation de chaleur (11) éloignée de l'évidement d'installation (21A), deux extrémités de la plaque de verre (31) s'étendant jusqu'aux parois d'extrémité de l'évidement d'installation (21A) et reliées à celui-ci ; et une couche de colle (40) disposée entre la plaque de verre (31) et les parois d'extrémité de l'évidement d'installation (21A) pour fixer la plaque de verre (31).
PCT/CN2019/127129 2018-12-26 2019-12-20 Dispositif d'affichage WO2020135268A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201822228151.9 2018-12-26
CN201822228151.9U CN209167742U (zh) 2018-12-26 2018-12-26 显示装置

Publications (1)

Publication Number Publication Date
WO2020135268A1 true WO2020135268A1 (fr) 2020-07-02

Family

ID=67345066

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/127129 WO2020135268A1 (fr) 2018-12-26 2019-12-20 Dispositif d'affichage

Country Status (2)

Country Link
CN (1) CN209167742U (fr)
WO (1) WO2020135268A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209167742U (zh) * 2018-12-26 2019-07-26 深圳Tcl新技术有限公司 显示装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102411230A (zh) * 2010-09-20 2012-04-11 三星电子株式会社 背光单元及具有其的液晶显示器
CN102749738A (zh) * 2012-07-19 2012-10-24 深圳市华星光电技术有限公司 一种液晶显示装置
CN103047581A (zh) * 2012-12-04 2013-04-17 京东方科技集团股份有限公司 背光模组及具有该背光模组的显示装置
KR20150065018A (ko) * 2013-12-04 2015-06-12 엘지디스플레이 주식회사 액정표시장치
CN105842893A (zh) * 2016-05-12 2016-08-10 乐视控股（北京）有限公司 一种显示模组及显示装置
CN105988235A (zh) * 2015-02-27 2016-10-05 苏州璨宇光学有限公司 显示模块
CN106773316A (zh) * 2017-01-17 2017-05-31 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
CN206523718U (zh) * 2017-02-14 2017-09-26 捷星显示科技（福建）有限公司 一种显示器结构
CN209167742U (zh) * 2018-12-26 2019-07-26 深圳Tcl新技术有限公司 显示装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102411230A (zh) * 2010-09-20 2012-04-11 三星电子株式会社 背光单元及具有其的液晶显示器
CN102749738A (zh) * 2012-07-19 2012-10-24 深圳市华星光电技术有限公司 一种液晶显示装置
CN103047581A (zh) * 2012-12-04 2013-04-17 京东方科技集团股份有限公司 背光模组及具有该背光模组的显示装置
KR20150065018A (ko) * 2013-12-04 2015-06-12 엘지디스플레이 주식회사 액정표시장치
CN105988235A (zh) * 2015-02-27 2016-10-05 苏州璨宇光学有限公司 显示模块
CN105842893A (zh) * 2016-05-12 2016-08-10 乐视控股（北京）有限公司 一种显示模组及显示装置
CN106773316A (zh) * 2017-01-17 2017-05-31 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
CN206523718U (zh) * 2017-02-14 2017-09-26 捷星显示科技（福建）有限公司 一种显示器结构
CN209167742U (zh) * 2018-12-26 2019-07-26 深圳Tcl新技术有限公司 显示装置

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