[go: up one dir, main page]

WO2009082871A1 - Module de source de lumière à del ayant un système de conduction thermique et un système de rayonnement thermique - Google Patents

Module de source de lumière à del ayant un système de conduction thermique et un système de rayonnement thermique Download PDF

Info

Publication number
WO2009082871A1
WO2009082871A1 PCT/CN2008/000990 CN2008000990W WO2009082871A1 WO 2009082871 A1 WO2009082871 A1 WO 2009082871A1 CN 2008000990 W CN2008000990 W CN 2008000990W WO 2009082871 A1 WO2009082871 A1 WO 2009082871A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
light
led
circuit board
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2008/000990
Other languages
English (en)
Chinese (zh)
Inventor
Yi Song
Zunhui Su
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Diguang Electronics Co Ltd
Original Assignee
Shenzhen Diguang Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Diguang Electronics Co Ltd filed Critical Shenzhen Diguang Electronics Co Ltd
Publication of WO2009082871A1 publication Critical patent/WO2009082871A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/36—Airflow channels, e.g. constructional arrangements facilitating the flow of air

Definitions

  • LED light source module with heat conduction system and heat dissipation system
  • the invention relates to a direct type LED backlight module. Background technique
  • LCDs Liquid crystal display devices
  • BLU backlight module
  • the BLU is divided into a direct BLU (the light source is placed under the backlight module) and a sidelight BLU according to the position of the light source. (The light source is placed on the side of the backlight module); according to the light source component, it is divided into a light emitting diode (LED) and a cold cathode ray tube. (CCFL) and other BLU.
  • the invention can be used for a direct type LED - BLU. Since the direct-lit BLU source is below the LCD, it can meet the needs of higher brightness or larger LCDs. However, the high-brightness BLU also generates a large amount of heat, and the heat-generating light source is enclosed between the LCD and the BLU, and the heat generated is hard to be dissipated. The heat is accumulated, so that the temperature of the LED is high, and the higher temperature causes the R to be caused. The change in brightness of G, B and B is inconsistent, affecting the color balance of BLU and affecting the service life of LED. Therefore, whether the BLU's heat dissipation system is reasonable or not directly affects whether the LCD's technical indicators can be displayed normally and the service life is long.
  • FIG. 1 is a diagram showing the relationship between a known LCD and a BLU.
  • a plurality of LEDs 12 are disposed on an upper side of a circuit board 11, and each of the LEDs 12 is equivalent to a point light source, and the emitted light needs to be diffused by the light diffusing element 13 to form a plane light of uniform brightness.
  • the LCD 14 is made bright, and the light reflection element 15 is disposed on the lower side of the circuit board 11.
  • the light reflection element 15 reflects the light leakage of the LED 12 upward, so that the light energy can be fully utilized, and the circuit is fully utilized.
  • the board 11, the light reflecting element 15, the light diffusing element 13, and the LCD 14 housing are provided with a housing 16.
  • Existing LED light source modules have the following disadvantages:
  • the general light diffusing element 13 does not have the heat insulating effect, the heat of the LED will be transmitted to the LCD 14, which causes the temperature of the LCD 14 to be too high, which affects the display effect and the service life of the LCD 14.
  • the object of the present invention is to: optimize the heat conduction system and the heat dissipation system of the LED light source module, so that the heat emitted by the enclosed LED light source can be discharged out of the machine through heat conduction in time, without generating or reducing heat accumulation, so as to reduce the internal temperature. Temperature, stable color balance, and the purpose of extending the life of the LED light source module.
  • An LED light source module having a heat conduction system and a heat dissipation system, used in a direct type BLU, comprising a circuit board, wherein a plurality of LEDs are disposed on one side of the circuit board, and the LEDs are passed through the circuit board Electrical connection; the light emitted by the LED passes through the diffusion of the light diffusing element to form a plane light of uniform brightness, and then is output through the light brightening element; the other side of the circuit board is provided to reflect the light leakage of the LED back a light reflecting element, and the circuit board, the light reflecting element, the light diffusing element and the light brightening element are further provided with a casing;
  • the LED is coated with a layer of heat-transmissive light-transmitting material, and a heat-insulating material composed of the heat-transmissive light-transmitting material is further disposed between the heat-transmitting light-transmitting material and the light diffusing element.
  • a light dissipating space is formed between the heat insulating and transparent material and the heat conductive light transmissive material, and at least two air convection holes are formed in the outer casing relative to the heat dissipating space.
  • a layer of a heat conductive material is further disposed between the light reflecting element and the outer casing, and a through hole is formed in a position corresponding to each LED on the circuit board, and the through hole is filled with a heat conducting column, and The heat conducting column has one end in contact with the LED and the other end in contact with the layer of thermally conductive material.
  • the present invention has the following beneficial effects:
  • the heat of the LED is dissipated into the heat dissipation space through the heat conductive light transmissive material, and then the air convection hole provided on the outer casing forms heat exchange with the outside world, so that the LED temperature is kept at a low level and the service life is prolonged.
  • An insulating and transparent component is arranged between the light source and the light diffusing element, which can isolate the heat emitted by the LED from the LCD and protect the LCD from overheating.
  • 1 is a schematic structural view of a known direct type LED backlight
  • FIG. 2 is a schematic structural view of an LED light source module having a heat conduction system and a heat dissipation system according to the present invention
  • 3 is a partially enlarged schematic view showing a heat dissipation system of a circuit board according to the present invention
  • FIG. 4 is a partially enlarged schematic view of a through-hole heat conduction system of the present invention.
  • Figure 5 is a top cross-sectional view of Figure 4.
  • a preferred embodiment of the present invention is an LED light source module having a heat conduction system and a heat dissipation system, which is used in a direct type BLU, and includes a circuit board 21, and the circuit board 21 - a plurality of LEDs 22 are disposed on the side, and the LEDs 22 are electrically connected through the circuit board 21; the light emitted by the LEDs 22 is diffused by the light diffusing elements 23 to form a plane light having uniform brightness, and then passing through the light.
  • the other side of the circuit board 21 is provided with a light reflecting element 25, and the light reflecting element 25 reflects the light leakage of the LED 22 upward, so that the light energy is fully utilized, and the circuit is fully utilized.
  • the outer casing of the plate 21, the light reflecting element 25, the light diffusing element 23 and the light brightening element 24 is provided with a casing 26.
  • the innovation of the present invention resides in: coating a light-transmissive light-transmissive material 27 on the LED 22 so that the heat on the LED 22 can be carried away by the heat-transmissive light-transmissive material 27, and The light emitted from the LED 22 can pass through the heat-transmissive light-transmitting material 27; and between the heat-transmissive light-transmitting material 27 and the light diffusing element 23, an insulating and transparent light-transmitting member 28 is further disposed.
  • the component 28 can not only allow the light emitted by the LED 22 to pass, but also form a heat insulating layer to prevent the heat of the LED 22 from being transmitted to the LCD.
  • the heat insulating transparent component 28 and the heat conductive transparent material 27 are also spaced apart from each other.
  • a heat dissipation space 29 is formed, and at least two air convection holes 30 are formed in the outer casing 26 with respect to the heat dissipation space 29, and a forced heat exhaust fan 31 is further disposed on one air convection hole 30.
  • the air flow in the heat dissipation space 29 is promoted.
  • the hot air in the heat dissipating space 29 is discharged, and the temperature of the LED 22 can be prevented from being too high, and the presence of the heat insulating and transmissive element 28 can also prevent the LCD from being affected by the LED 22 and causing the temperature to be too high.
  • the innovation of the present invention is further characterized in that: between the light reflecting component 25 and the outer casing 26, a heat conducting transparent material is further provided.
  • the heat conductive material layer 32 is provided with a via hole 33 on the circuit board 21 corresponding to each of the LEDs 22.
  • the inner wall of the via hole 33 is provided with a copper sink 34 to connect the copper foil 35 on both sides of the circuit board 21, and the via hole 33 is filled with solder.
  • the thermally conductive column 36-end is in contact with the LED 22, and the other end is in contact with the thermally conductive material layer 32, thereby transferring heat of the LED 22 to the thermally conductive material layer 32, And conducted to the outside through the outer casing 26.
  • the outer casing 26 is preferably made of a metal material.
  • the heat insulating and transparent member 28 may be an insulated light transmissive glass, a heat insulating transparent plastic sheet or a heat insulating transparent plastic film.
  • the heat conductive light transmissive material 27 is a silica gel or a VU glue.
  • the material of the heat conductive material layer 32 is made of a heat conductive material 27, which may be a silica gel or a VU glue. At this time, the same material (silica gel or VU glue) can be used for the heat conducting column 36 to make the heat conduction efficiency on both sides of the circuit board 21 better.
  • the LED 22 is composed of a plurality of sets of LEDs 22 of a group of red (R), green (G), and blue (B) tri-color LEDs 22, or a plurality of white (W) LEDs 22.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention porte sur un module de source de lumière à DEL utilisé dans le BLU de type direct et ayant un système de conduction thermique et un système de rayonnement thermique, lequel module comprend une carte de circuit (21), une pluralité de DEL (22), un élément de diffusion de lumière (23), un élément de réflexion de lumière (25) et une coque (26) ; les différentes DEL (22) sont disposées sur un côté de la carte de circuit (21) et établissent une connexion électrique par la carte de circuit (21), la lumière émise par les différentes DEL (22) passe à travers l'élément de diffusion de lumière (23) et s'irradie sur le dispositif d'affichage à cristaux liquides LCD ; l'élément de réflexion de lumière (25) est disposé sur un autre côté de la carte de circuit (21) et réfléchit la fuite de lumière des différentes DEL (22) ; la carte de circuit (21), la pluralité de DEL (22), l'élément de diffusion de lumière (23) et l'élément de réflexion de lumière (25) sont installés dans la coque (26) ; un matériau de conduction thermique transparent (27) recouvrant la pluralité de DEL (22), un élément isolant thermique (28) étant disposé entre eux le matériau de conduction thermique transparent (27) et l'élément de diffusion de lumière (23), un espace de rayonnement thermique (29) étant formé entre l'élément isolant thermique (28) et le matériau de conduction thermique transparent (27), et au moins deux trous de convection d'air (30) étant formés sur la partie de la coque (26) correspondant à l'espace de rayonnement thermique (29).
PCT/CN2008/000990 2007-12-27 2008-05-22 Module de source de lumière à del ayant un système de conduction thermique et un système de rayonnement thermique Ceased WO2009082871A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2007103056761A CN100557302C (zh) 2007-12-27 2007-12-27 具有导热系统和散热系统的led光源模块
CN200710305676.1 2007-12-27

Publications (1)

Publication Number Publication Date
WO2009082871A1 true WO2009082871A1 (fr) 2009-07-09

Family

ID=39479965

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000990 Ceased WO2009082871A1 (fr) 2007-12-27 2008-05-22 Module de source de lumière à del ayant un système de conduction thermique et un système de rayonnement thermique

Country Status (2)

Country Link
CN (1) CN100557302C (fr)
WO (1) WO2009082871A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101301317B1 (ko) 2009-08-03 2013-08-29 엘지디스플레이 주식회사 백라이트 유닛 및 이를 이용한 액정표시장치
JP5976547B2 (ja) * 2010-02-05 2016-08-23 ブラック タンク エルエルシー 電気部品用の熱管理システムおよびその製造方法
TW201409136A (zh) * 2012-08-17 2014-03-01 Wash Hong Ind Corp 背光模組之各向異性散熱
CN104678636A (zh) * 2015-03-27 2015-06-03 上海启钧电子有限公司 显示模组的散热结构
CN104266092B (zh) * 2014-09-05 2016-05-25 中山市晔汇电子有限公司 一种防水led灯及其制作方法
CN105068311B (zh) * 2015-07-31 2017-02-15 深圳科利盟电子有限公司 一种背光模组
CN105427756A (zh) * 2015-12-29 2016-03-23 天津金汇科技有限公司 双面led显示屏
CN107436507A (zh) * 2016-05-25 2017-12-05 鸿富锦精密工业（深圳）有限公司 背光模组及应用其的显示装置
CN106054455A (zh) * 2016-08-10 2016-10-26 武汉华星光电技术有限公司 一种直下式背光模组
CN107422529A (zh) * 2017-08-04 2017-12-01 纳晶科技股份有限公司 背光单元及包括其的显示装置
CN110471219B (zh) * 2019-07-31 2022-07-01 厦门天马微电子有限公司 Led基板及显示装置
CN110850637A (zh) * 2019-11-29 2020-02-28 维沃移动通信有限公司 背光模组及电子设备
CN112435586B (zh) * 2020-11-30 2022-09-27 武汉天马微电子有限公司 一种显示面板及显示装置
CN115128862B (zh) * 2021-03-26 2025-09-05 群创光电股份有限公司 背光模块以及显示装置
CN119065158A (zh) * 2023-05-31 2024-12-03 北京京东方显示技术有限公司 显示模组及显示装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2484614Y (zh) * 2001-06-01 2002-04-03 廖骏吉 背光罩结构
CN1560672A (zh) * 2004-02-17 2005-01-05 �Ѵ���ɷ����޹�˾ 背光模块及其散热结构
US6880947B2 (en) * 2002-08-16 2005-04-19 Au Optronics Corp. Direct-type backlight unit for flat panel liquid crystal displays
CN1641440A (zh) * 2004-01-15 2005-07-20 鸿富锦精密工业（深圳）有限公司 背光模组
CN1773346A (zh) * 2004-11-12 2006-05-17 鸿富锦精密工业（深圳）有限公司 直下式背光模组
CN1825185A (zh) * 2005-02-22 2006-08-30 Lg.菲利浦Lcd株式会社 背光单元及具有该背光单元的液晶显示器
CN1908757A (zh) * 2005-08-03 2007-02-07 友达光电股份有限公司 直下式背光模组
CN1937265A (zh) * 2005-09-19 2007-03-28 深圳帝光电子有限公司 Led光源产品
CN200947144Y (zh) * 2006-07-11 2007-09-12 深圳帝光电子有限公司 Led分散排列的直下式背光模组
CN201069503Y (zh) * 2007-04-23 2008-06-04 深圳帝光电子有限公司 具有隔热透光材料散热系统的led背光模组

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2484614Y (zh) * 2001-06-01 2002-04-03 廖骏吉 背光罩结构
US6880947B2 (en) * 2002-08-16 2005-04-19 Au Optronics Corp. Direct-type backlight unit for flat panel liquid crystal displays
CN1641440A (zh) * 2004-01-15 2005-07-20 鸿富锦精密工业（深圳）有限公司 背光模组
CN1560672A (zh) * 2004-02-17 2005-01-05 �Ѵ���ɷ����޹�˾ 背光模块及其散热结构
CN1773346A (zh) * 2004-11-12 2006-05-17 鸿富锦精密工业（深圳）有限公司 直下式背光模组
CN1825185A (zh) * 2005-02-22 2006-08-30 Lg.菲利浦Lcd株式会社 背光单元及具有该背光单元的液晶显示器
CN1908757A (zh) * 2005-08-03 2007-02-07 友达光电股份有限公司 直下式背光模组
CN1937265A (zh) * 2005-09-19 2007-03-28 深圳帝光电子有限公司 Led光源产品
CN200947144Y (zh) * 2006-07-11 2007-09-12 深圳帝光电子有限公司 Led分散排列的直下式背光模组
CN201069503Y (zh) * 2007-04-23 2008-06-04 深圳帝光电子有限公司 具有隔热透光材料散热系统的led背光模组

Also Published As

Publication number Publication date
CN100557302C (zh) 2009-11-04
CN101187463A (zh) 2008-05-28

Similar Documents

Publication Publication Date Title
WO2009082871A1 (fr) Module de source de lumière à del ayant un système de conduction thermique et un système de rayonnement thermique
KR101546741B1 (ko) 광 출사 모듈 및 이를 갖는 표시장치
KR100982706B1 (ko) 표시 장치, 발광 장치, 및 고체 발광 소자 기판
JP4352038B2 (ja) バックライトユニットおよび液晶表示装置
TWI422918B (zh) 導光構件、面光源裝置及顯示裝置
JP4442304B2 (ja) 発光ユニットの放熱装置及びバックライト装置
CN101988648B (zh) 背光单元及使用该背光单元的液晶显示器
JP2006011239A (ja) 液晶表示装置
TW200832018A (en) Light-emitting device, display device and solid state light-emitting device substrate
JP2005353498A (ja) バックライト装置
US20070103939A1 (en) Sectional light emitting diode backlight unit
CN101017282A (zh) 液晶显示器及其使用的背光模块
TW201133086A (en) Liquid crystal display device
JP2005352427A (ja) 液晶表示装置及びバックライト装置
CN1932603A (zh) 直下式背光模组
TW200923514A (en) Backlight unit and liquid crystal display device having the same
CN102200658B (zh) 液晶显示装置
JP2006302581A (ja) 発光ユニットの放熱装置、バックライト装置及び画像表示装置
CN203309836U (zh) 一种led光源、背光源、液晶显示装置
CN100385313C (zh) 背光单元及液晶显示器件
JP2009152146A (ja) 面光源装置および表示装置
WO2016078048A1 (fr) Module de led
JP2011146225A (ja) 光源装置およびそれを備えたバックライト装置
KR100993252B1 (ko) 발광 다이오드 모듈
CN212658922U (zh) 背光模组、显示器和显示装置

Legal Events

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

Ref document number: 08757335

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

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

Free format text: NOTING OF LOSS OF RIGHTS (EPO FORM 1205A DATED 11-11-2010)

122 Ep: pct application non-entry in european phase

Ref document number: 08757335

Country of ref document: EP

Kind code of ref document: A1