WO2012037746A1 - Structure de bande de lumière de diode électroluminescente ayant une fonction de dissipation thermique - Google Patents

Structure de bande de lumière de diode électroluminescente ayant une fonction de dissipation thermique Download PDF

Info

Publication number
WO2012037746A1
WO2012037746A1 PCT/CN2010/078812 CN2010078812W WO2012037746A1 WO 2012037746 A1 WO2012037746 A1 WO 2012037746A1 CN 2010078812 W CN2010078812 W CN 2010078812W WO 2012037746 A1 WO2012037746 A1 WO 2012037746A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat dissipation
light
circuit board
emitting diodes
contacts
Prior art date
Application number
PCT/CN2010/078812
Other languages
English (en)
Chinese (zh)
Inventor
阙成文
Original Assignee
深圳市华星光电技术有限公司
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 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/000,179 priority Critical patent/US8651689B2/en
Publication of WO2012037746A1 publication Critical patent/WO2012037746A1/fr

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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling means

Definitions

  • the invention relates to a light-emitting diode light bar structure, in particular to a light-emitting diode light bar structure with a heat dissipation function.
  • LCD panel (LCD) Panel) is now widely used in electronic products with growth potential such as monitors, notebook computers, digital cameras and projectors.
  • the glass panel manufacturer produces the glass substrate, it must first combine the color filter, the two are sealed and then poured into the liquid crystal, and then combined with the backlight module, the driver IC, the control circuit board and other components to form an LCD module for sale to the downstream notes.
  • a manufacturer of computer or LCD monitors is now widely used in electronic products with growth potential such as monitors, notebook computers, digital cameras and projectors.
  • Backlight module Module is one of the key components of the liquid crystal display panel. Since the liquid crystal itself does not emit light, the function of the backlight module is to supply a sufficient light source with uniform brightness and uniformity to enable normal display of images.
  • the backlight module is mainly composed of a light source, a lamp cover, and a reflector (Reflector) Sheet), Light guide plate, Diffuser sheet, Brightness enhancement The film and the frame are assembled.
  • the backlight module can be classified according to the size of the lamp, and the edge light type is developed. Lighting) structure and direct type (Bottom Lighting) structure. Wherein, the illumination source of the edge-light structure is a single light source placed on the side; the light source of the direct-type structure is placed directly below.
  • the lamp used in the backlight module must have characteristics such as high brightness and long life.
  • Cold Cathode fluorescent lamp, CCFL
  • hot cathode fluorescent tube hot cathode fluorescent tube, light emitting diode Diode, LED) and electroluminescence (EL).
  • the cold cathode fluorescent lamp has the characteristics of high brightness, high efficiency, long life, high color rendering, and the cylindrical shape is easy to be combined with the light reflecting element into a thin plate-shaped illuminating device.
  • the light source-based backlight was once the mainstream of the backlight module.
  • the cold cathode fluorescent lamp contains mercury vapor in the tube, it is gradually being eliminated by the trend today.
  • the light-emitting diode (LED) as a backlight source has the advantages of energy saving and environmental protection than the cold cathode fluorescent lamp (CCFL), replacing the CCFL with LED will be the trend of backlight development.
  • the industry generally calls the light-emitting structure of the light-emitting diode as a light bar (Light). Bar).
  • FIG. 1 is a perspective view of a conventional LED light bar structure.
  • an LED strip structure 90 includes an approximately elliptical circuit board 91 and a plurality of LEDs 92 arranged on an upper surface of the circuit board 91. And fixing and electrically connecting the circuit board 91 through a plurality of solder joints 93.
  • the LED light bar structure 90 can simulate the effect of the cold cathode fluorescent lamp illumination source used in the conventional backlight module. Regardless of the edge-lit backlight module structure or the direct-lit backlight module structure, the LED strip 90 can be directly used for the position where the cold cathode fluorescent tube is originally installed, instead of the cold cathode fluorescent tube. .
  • the use of light-emitting diodes as backlights has the advantages of being thin, environmentally friendly, power-saving, etc., the above-mentioned existing LED strips still have some problems:
  • the invention provides a light-emitting diode light bar structure with heat dissipation function to solve the problems existing in the prior art.
  • the technical solution adopted by the present invention to solve the above technical problem includes a rotary support device for a display screen, comprising a display screen, the display screen being disposed on a host, wherein: the rotary support device comprises two connecting rods, The two links are respectively disposed on the outer side of the display screen through the rotating device, and the other end is disposed on the outer side of the main body, and the display screen rotates at any angle along the rotating device.
  • the invention provides a light-emitting diode light bar structure with a heat dissipation function, which is applied to a backlight module, wherein the light-emitting diode light bar structure comprises: a heat dissipation body having a corresponding first surface and a second a surface, the first surface is provided with a plurality of mounting holes, the second surface is recessed with a circuit board mounting slot, the circuit board mounting slot is a drawer-shaped slot, and the plurality of mounting holes are through a first surface to the circuit board mounting slot; a plurality of light emitting diodes respectively having a top portion and a bottom portion, and correspondingly embedded in the plurality of mounting holes of the heat dissipation body, the top portion facing the heat dissipation body a first surface, the bottom portion is disposed toward the circuit board mounting groove of the heat dissipation body, and is provided with a plurality of first contacts, and at least one surface of the peripheral surface of the plurality of light emitting diodes
  • the plurality of first contacts of the plurality of light emitting diodes are elastic conductive structures.
  • the plurality of first contacts of the plurality of light emitting diodes are elastic metal sheets.
  • the heat dissipation body is a heat dissipation frame strip having a good thermal conductivity and mechanical strength material.
  • the heat dissipation body is a heat dissipation frame strip made of metal or alloy material.
  • the present invention provides a light-emitting diode light bar structure having a heat dissipation function, which is applied to a backlight module, and the light-emitting diode light bar structure comprises: a heat dissipation body having a strip-like phase Corresponding a first surface and a second surface, wherein the first surface is provided with a plurality of mounting holes, and the second surface is provided with a circuit board mounting groove, wherein the plurality of mounting holes are through the first surface a plurality of light emitting diodes having a top portion and a bottom portion respectively corresponding to the plurality of mounting holes of the heat dissipation body, the top portion facing the first surface of the heat dissipation body The bottom portion faces the circuit board mounting groove of the heat dissipation body and is provided with a plurality of first contacts; and a circuit board embedded in the circuit board mounting groove, and an upper surface of the circuit board corresponds to the plurality of The plurality of first contacts
  • At least one surface of the peripheral surface of the plurality of light emitting diodes has a sloped surface, and a wall surface of the mounting hole corresponds to a sloped surface.
  • the plurality of first contacts of the plurality of light emitting diodes are elastic conductive structures.
  • the plurality of first contacts of the plurality of light emitting diodes are elastic metal sheets.
  • the circuit board mounting slot of the heat dissipation body is a drawer-shaped slot, and the circuit board is laterally embedded in the circuit board mounting slot.
  • the circuit board is fixed to the circuit board mounting slot by a plurality of screwing elements.
  • the heat dissipation body is a heat dissipation frame strip having a good thermal conductivity and mechanical strength material.
  • the heat dissipation body is a heat dissipation frame strip made of metal or alloy material.
  • the present invention provides a light-emitting diode light bar structure having a heat dissipation function, the light-emitting diode light bar structure comprising: a heat dissipation body having an elongated first surface and a corresponding first surface; a second surface, the first surface is provided with a plurality of mounting holes, the plurality of mounting holes are through the first surface to the second surface; and a plurality of light emitting diodes respectively have a top and a bottom And correspondingly embedded in the plurality of mounting holes of the heat dissipation body, the top portion faces a first surface of the heat dissipation body, and the bottom portion faces the second surface of the heat dissipation body and is provided with a plurality of And a circuit board disposed on the second surface of the heat dissipation body, and an upper surface of the circuit board is provided with a plurality of second contacts corresponding to the plurality of first contacts of the plurality of light emitting di
  • At least one surface of the peripheral surface of the plurality of light emitting diodes has a sloped surface, and a wall surface of the mounting hole corresponds to a sloped surface.
  • the plurality of first contacts of the plurality of light emitting diodes are elastic conductive structures.
  • the heat dissipation body is a heat dissipation frame strip of a metal or alloy material
  • the plurality of first contacts of the plurality of light emitting diodes are elastic metal sheets.
  • the circuit board is fixed to the second surface of the heat dissipation body by a plurality of screwing elements.
  • the heat dissipation body is a heat dissipation frame strip having a good thermal conductivity and mechanical strength material.
  • the heat dissipation body is a heat dissipation frame strip made of metal or alloy material.
  • the LED light bar structure of the present invention can simplify the processing technology for mounting the light emitting diode, and can directly derive the thermal energy generated by the light emitting diode by the close fitting of the light emitting diode and the heat dissipating body. The overall heat dissipation efficiency of the backlight module is improved.
  • Figure 1 A perspective view of a prior art LED light bar construction.
  • FIG. 2 is an exploded perspective view showing the structure of a light-emitting diode light bar having a heat dissipation function according to a preferred embodiment of the present invention.
  • FIG. 3 is a perspective view showing a three-dimensional assembly state of a light-emitting diode light bar structure having a heat dissipation function according to a preferred embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing the structure of a light-emitting diode light bar having a heat dissipation function according to a preferred embodiment of the present invention.
  • Figure 5 is a perspective view of a light emitting diode in accordance with a preferred embodiment of the present invention.
  • Light-emitting diode strip of the invention (Light The bar) structure is applied to a backlight module, and the backlight module is not limited to a specific type, and may be an edge lighting structure or a direct type (Bottom).
  • the LED strip structure is used for the backlight module, please refer to the related description in the background art, and details are not described herein again.
  • FIG. 2 is a perspective exploded view showing the structure of a light-emitting diode light bar having a heat dissipation function according to a preferred embodiment of the present invention
  • FIG. 3 is a perspective view of the present invention.
  • the LED light bar structure 1 includes a heat dissipation body 10 , a plurality of light emitting diodes 20 , and a circuit board 30 .
  • the heat dissipating body 10 is approximately elongated and has a corresponding first surface 11 and a second surface 12.
  • the first surface 11 is provided with a plurality of mounting holes 13 and the second surface 12
  • a circuit board mounting groove 14 is provided, and the plurality of mounting holes 13 extend through the first surface 11 to the circuit board mounting groove 14.
  • the plurality of light emitting diodes 20 respectively have a top portion 21 and a bottom portion 22 corresponding to the plurality of mounting holes 13 embedded in the heat dissipation body 10, the top portion. 21 facing the first surface 11 of the heat dissipation body, the bottom portion 22 faces the circuit board mounting groove 14 of the heat dissipation body 10 and is provided with a plurality of first contacts 24 .
  • the light emitted by the light emitting diode 20 is emitted outward through the top portion 21.
  • the bottom portion 22 may be a circuit substrate or a lead frame of the light emitting diode 20.
  • the circuit board mounting groove 14 of the heat dissipation body 10 is a drawer-shaped slot, and the drawer-shaped slot has a slotted sectional shape similar to a "convex" shape. .
  • the circuit board 30 can be embedded in the board mounting slot 14 by lateral slip and assembled to position. If necessary, the circuit board 30 can be reinforced by the plurality of screwing elements (not shown) to strengthen the strength of the heat dissipation body 10.
  • the upper surface 31 of the circuit board 30 is provided with a plurality of second contacts 32 corresponding to the plurality of first contacts 24 of the plurality of LEDs 20 .
  • the plurality of second contacts 32 are electrically connected to the plurality of first contacts 24 when the circuit board is embedded and positioned.
  • FIG. 4 is a cross-sectional view showing the structure of a light-emitting diode light bar having a heat dissipation function according to a preferred embodiment of the present invention.
  • the peripheral surface 23 of the plurality of light emitting diodes 20 has a sloped surface, and the wall surface of the mounting hole 13 is also a sloped surface.
  • the plurality of light emitting diodes 20 in the preferred embodiment of the present invention are approximately a trapezoidal body, that is, the peripheral surface 23 of the plurality of light emitting diodes 20 has two sets of sides (a set of lengthwise sides and a set of widths) Among the sides of the direction, at least one of the groups has a slope that is inclined inward in the direction of the top surface 21. At the same time, the inner diameter of the mounting hole 13 is widened from the first surface 11 toward the second surface 12. Therefore, as shown in FIG. 4, the plurality of light emitting diodes 20 can embed the plurality of light emitting diodes 20 in the direction of the circuit board mounting groove 14 on the second surface 12 of the heat dissipation body 10. A plurality of mounting holes 13 are provided to achieve the effect of inserting the cassette assembly.
  • FIG. 5 is a perspective view of a light emitting diode according to a preferred embodiment of the present invention.
  • the plurality of first contacts 24 of the plurality of light emitting diodes 20 are preferably an elastic conductive structure, such as an elastic metal sheet.
  • the first contact 24 of the elastic metal piece can generate an outward elastic restoring force when it is abutted to elastically abut the second contact 32 on the circuit board 30, so that the light-emitting diode 20 can be ensured.
  • the electrical connection between the first contact 24 and the second contact 32 on the circuit board 30 is of good quality.
  • the invention does not limit the form of the elastic metal sheet.
  • the present invention firstly mounts the light emitting diode 20 in the plurality of mounting holes 13 of the heat dissipation body 10, and then laterally slides the circuit board 30 into the circuit board of the heat dissipation body 10.
  • the slot 14 is mounted to fix and electrically connect the plurality of LEDs 20, which simplifies the processing of the LED strip structure 1 and omits the existing processing process of soldering the LEDs to the board.
  • the surface of the light-emitting diode 20 is closely attached to the wall surface of the mounting hole 13 of the heat-dissipating body 10, so that the heat-dissipating body 10 can directly lead the plurality of light-emitting diodes 20 laterally.
  • the generated thermal energy (as shown in the direction of the arrow in FIG. 4), thereby improving the overall heat dissipation efficiency of the backlight module (not shown).
  • the plurality of LEDs 20 disclosed in the preferred embodiment of the present invention have a trapezoidal shape, they have a corresponding set of slopes (as shown in FIG. 4), and the shape of the mounting hole 14 of the heat dissipation body 10 Corresponding to the slope of the light emitting diode 20.
  • the present invention does not limit the specific shape of the plurality of light emitting diodes 20.
  • the plurality of light emitting diodes 20 may also be a polygonal body or a cylinder, or the plurality of light emitting diodes 20 may have a stepped peripheral surface 23 . .
  • the present invention does not limit how many surfaces of the peripheral surface 23 of the plurality of LEDs 20 must be beveled surfaces, and at least one surface of the peripheral surface 23 of the plurality of LEDs 20 is inclined, that is, the The light emitting diodes 20 position and increase the effect of the contact area of the plurality of light emitting diodes 20 with the heat dissipation body 10.
  • the heat dissipation body 10 is preferably made of a material having good thermal conductivity and mechanical strength.
  • the heat dissipation body 10 is a metal or alloy heat dissipation frame strip, in particular, an aluminum extruded heat dissipation frame strip.
  • the heat dissipation body 10 may additionally form an elongated shallow groove in the circuit board mounting groove 14 to laterally connect all adjacent mounting holes 13 so as to reduce the processing after aluminum extrusion molding. The amount of drilling processing of the mounting hole 13.
  • the circuit board mounting groove 14 of the heat dissipation body 10 is a drawer-shaped slot, and the circuit board 30 is laterally embedded in the circuit board mounting slot 14 to The purpose of fixing the plurality of light emitting diodes 20 and the circuit board 30 is achieved.
  • the present invention does not limit the mounting form of the circuit board mounting slot 14, and the circuit board 30 may be embedded in the circuit board mounting slot 14 in other manners.
  • the heat dissipation body 10 may not have the circuit board mounting slot 13 , the mounting hole 13 of the heat dissipation body 10 is through the first surface 11 to the second surface 12 of the heat dissipation body 10;
  • the circuit board 30 can be directly fixed to the second surface 12 of the heat dissipation body 10, for example, by a screwing component (not shown).
  • the processing technology of the existing LED light bar is more complicated, and the heat dissipation is not easy.
  • the light emitting diode 20 is mounted in the plurality of mounting holes 13 of the heat dissipation body 10, and the circuit board 30 is embedded in the circuit board mounting groove 14 of the heat dissipation body 10 to be fixed. And electrically connecting the plurality of light emitting diodes 20, which simplifies the processing of the LED light bar structure 1.
  • the surface of the light-emitting diode 20 is closely attached to the wall surface of the mounting hole 13 of the heat-dissipating body 10, so that the heat-dissipating body 10 can directly lead the plurality of light-emitting diodes 20 laterally. The generated thermal energy, thereby improving the overall heat dissipation efficiency of the backlight module (not shown).

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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)

Abstract

La présente invention se rapporte à une structure (1) de bande de lumière de diode électroluminescente (DEL) ayant une fonction de dissipation thermique. Ladite structure est appliquée à un module de rétroéclairage. La structure de bande de lumière de diode électroluminescente (1) comprend un corps de dissipateur thermique (10), une pluralité de diodes électroluminescentes (20) et une carte de circuit imprimé (30). Le corps de dissipateur thermique (10) présente une rainure de montage de carte de circuit imprimé (14) et un certain nombre de trous de montage (13), les trous de montage (13) s'étendant à travers le corps de dissipateur thermique (10); les diodes électroluminescentes (20) sont incorporées dans les trous de montage correspondants (13) du corps de dissipateur thermique (10); la carte de circuit imprimé (30) est incorporée dans la rainure de montage de carte de circuit imprimé (14) du corps de dissipateur thermique (10) pour fixation et est raccordée électriquement aux diodes électroluminescentes (20). La structure de bande de lumière de diode électroluminescente (1) peut simplifier le processus d'installation et conduire latéralement la chaleur produite par les diodes électroluminescentes (20) par utilisation d'un contact étroit des diodes électroluminescentes (20) et du corps de dissipateur thermique (10), ce qui permet d'améliorer toute l'efficacité de dissipation thermique d'un module de rétroéclairage.
PCT/CN2010/078812 2010-09-20 2010-11-17 Structure de bande de lumière de diode électroluminescente ayant une fonction de dissipation thermique WO2012037746A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/000,179 US8651689B2 (en) 2010-09-20 2010-11-17 Light emitting diode light bar structure having heat dissipation function

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010293678.5 2010-09-20
CN2010102936785A CN101949506A (zh) 2010-09-20 2010-09-20 具有散热功能的发光二极管灯条构造

Publications (1)

Publication Number Publication Date
WO2012037746A1 true WO2012037746A1 (fr) 2012-03-29

Family

ID=43453094

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/078812 WO2012037746A1 (fr) 2010-09-20 2010-11-17 Structure de bande de lumière de diode électroluminescente ayant une fonction de dissipation thermique

Country Status (2)

Country Link
CN (1) CN101949506A (fr)
WO (1) WO2012037746A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102352990B (zh) * 2011-09-28 2013-08-07 深圳市华星光电技术有限公司 液晶显示装置及其背光模组
CN102606937B (zh) * 2012-03-13 2014-03-26 深圳市华星光电技术有限公司 一种发光二极管灯条及背光模块
CN104423093A (zh) * 2013-08-30 2015-03-18 鸿富锦精密工业（深圳）有限公司 显示装置
CN104373914B (zh) * 2014-11-24 2017-06-16 合肥鑫晟光电科技有限公司 一种灯条散热结构、背光模组及显示装置
CN105158971B (zh) * 2015-08-27 2018-03-09 京东方科技集团股份有限公司 散热结构、背光源及显示装置
CN105467679A (zh) * 2016-01-07 2016-04-06 江门市唯是半导体科技有限公司 一种背光模组
CN112230476B (zh) * 2020-11-09 2022-08-16 天长市创联电子有限公司 一种适用于tv液晶背光显示通用灯条

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2859190Y (zh) * 2005-09-30 2007-01-17 丁会杰 Led灯条和采用该灯条的户外led灯具
US20090066877A1 (en) * 2005-05-30 2009-03-12 Kyocera Corporation Liquid Crystal Display Device
CN101421556A (zh) * 2006-04-19 2009-04-29 夏普株式会社 照明装置和具备该照明装置的液晶显示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200925493A (en) * 2007-09-14 2009-06-16 Anteya Technology Corp Strip-lamp-type LED street lamp
CN201359218Y (zh) * 2008-10-30 2009-12-09 许富昌 一种led日光灯管

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090066877A1 (en) * 2005-05-30 2009-03-12 Kyocera Corporation Liquid Crystal Display Device
CN2859190Y (zh) * 2005-09-30 2007-01-17 丁会杰 Led灯条和采用该灯条的户外led灯具
CN101421556A (zh) * 2006-04-19 2009-04-29 夏普株式会社 照明装置和具备该照明装置的液晶显示装置

Also Published As

Publication number Publication date
CN101949506A (zh) 2011-01-19

Similar Documents

Publication Publication Date Title
WO2012037746A1 (fr) Structure de bande de lumière de diode électroluminescente ayant une fonction de dissipation thermique
US8651689B2 (en) Light emitting diode light bar structure having heat dissipation function
WO2013143158A1 (fr) Structure de bande lumineuse à diode électroluminescente
US7976210B2 (en) Display device, light-emitting device, and solid-state light-emitting element substrate
US7567316B2 (en) Backlight module
WO2014015547A1 (fr) Module de rétroéclairage et dispositif d'affichage
US20060098441A1 (en) Backlight module
WO2013170509A1 (fr) Structure en aluminium extrudée pour la dissipation thermique et module de rétroéclairage correspondant
WO2013086712A1 (fr) Module de rétroéclairage et dispositif lcd
US20150138472A1 (en) Backlight module and liquid crystal display module using same
CN1776494A (zh) 显示装置及其制造方法
WO2012006820A1 (fr) Module de rétroéclairage du type par les bords et sa structure de dissipation thermique de plaque arrière
WO2012048488A1 (fr) Module de rétroéclairage et appareil d'affichage
KR20110056966A (ko) 방열이 용이한 액정표시소자
WO2014029131A1 (fr) Module à cristaux liquides et structure de cadre avant associée
TW201020639A (en) Backlight module structure and the liquid crystal display using the same
WO2015089916A1 (fr) Module de rétroéclairage
KR101309348B1 (ko) 백라이트 유닛 및 이를 구비한 액정표시모듈
WO2012155361A1 (fr) Structure de dissipation de chaleur de del et module de rétro-éclairage
CN202469772U (zh) 直下式背光源及显示装置
WO2013117010A1 (fr) Module de rétroéclairage et dispositif d'affichage à cristaux liquides
KR100964790B1 (ko) 백라이트 구동용 메탈 피시비의 제조방법 및 그 구조
WO2012058837A1 (fr) Structure de rayonnement de source d'éclairage et module à rétro-éclairage
CN201487890U (zh) 一种侧光式led背光模组的散热装置
WO2012142799A1 (fr) Module de rétro-éclairage et système de bande de diodes électroluminescentes pour celui-ci

Legal Events

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

Ref document number: 13000179

Country of ref document: US

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

Ref document number: 10857459

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10857459

Country of ref document: EP

Kind code of ref document: A1