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US20100130059A1 - Backlight unit and lamp socket thereof - Google Patents

Backlight unit and lamp socket thereof Download PDF

Info

Publication number
US20100130059A1
US20100130059A1 US12/471,944 US47194409A US2010130059A1 US 20100130059 A1 US20100130059 A1 US 20100130059A1 US 47194409 A US47194409 A US 47194409A US 2010130059 A1 US2010130059 A1 US 2010130059A1
Authority
US
United States
Prior art keywords
socket body
engaging
lamp socket
support members
socket
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.)
Abandoned
Application number
US12/471,944
Other languages
English (en)
Inventor
Yen Lin Lee
Shih Che Fu
Ching Fu Tien
Chao Chih Wei
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.)
AUO Corp
Original Assignee
AU Optronics Corp
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 AU Optronics Corp filed Critical AU Optronics Corp
Assigned to AU OPTRONICS CORPORATION reassignment AU OPTRONICS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FU, SHIH CHE, LEE, YEN LIN, TIEN, CHING FU, WEI, CHAO CHIH
Publication of US20100130059A1 publication Critical patent/US20100130059A1/en
Priority to US12/870,091 priority Critical patent/US8172605B2/en
Priority to US13/353,057 priority patent/US8226434B2/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/741—Means for mounting coupling parts in openings of a panel using snap fastening means
    • H01R13/743—Means for mounting coupling parts in openings of a panel using snap fastening means integral with the housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof

Definitions

  • the present invention relates to a backlight unit and the lamp socket thereof, and more specifically, to a backlight unit and lamp socket for panel display applications.
  • a backlight unit is one of the key components of a liquid crystal display (LCD). Since liquid crystal is not luminous, the backlight unit is introduced to serve as a light source capable of generating sufficient brightness and even light distribution, so that liquid crystal can display desired images. LCD display is widely used in the electronic devices with great development potential such as desktop monitors, notebook computers, digital cameras and projectors, and there is increasing demand for backlight units and their related devices.
  • LCD display is widely used in the electronic devices with great development potential such as desktop monitors, notebook computers, digital cameras and projectors, and there is increasing demand for backlight units and their related devices.
  • the lamps of a traditional backlight unit are secured to the back bezel by lamp sockets.
  • the lamp sockets are provided with hooks at the places corresponding to the bezel, thereby securing the lamp sockets to the bezel.
  • the hooks connecting the lamp sockets and the bezel are only suited for the bezel of a single thickness; however, the thickness of the bezel may vary according to the sizes of the display panel or different applications. Therefore, the manufacturer has to produce various lamp sockets to accommodate different bezel thicknesses. As a result, manufacturing costs such as mold cost, production and inventory management are greater than if a more versatile design were produced.
  • the present invention provides a backlight unit and the lamp socket thereof.
  • a single lamp socket that can be secured to bezels of different thicknesses is provided, so as to simplify inventory management and significantly lower the mold cost of preparing various lamp sockets.
  • a lamp socket includes a socket body, a flange and a plurality of support members.
  • the flange is connected to the socket body, and horizontally protrudes from the socket body.
  • the plurality of support members are connected to the socket body.
  • At least one engaging groove including at least two engaging widths is formed between the plurality of the support members and the flange, so as to secure the socket body to a bezel.
  • the top of the support member is a stepped structure including a plurality of steps, and the engaging groove of at least two engaging widths is formed between the plurality of the steps and the flange.
  • the support member is a forked structure including a plurality of branches, and the engaging groove of at least two engaging widths is formed between the plurality of the branches and the flange.
  • the support members are disposed at opposite sides of the socket body, and the engaging grooves of different engaging widths are formed between the tops of the support members at opposite sides and the flange.
  • a backlight unit includes a bezel and the above-mentioned lamp socket.
  • a backlight unit includes a lamp socket and a bezel.
  • the lamp socket includes a socket body and at least one clamp member.
  • the clamp member extends from the socket body and forms at least one horizontal engaging groove.
  • the bezel has at least one bending end that is engaged in the engaging groove, in which the depth of the engaging groove is greater than or equal to the height of the bending end for engaging the bending end therein.
  • a single lamp socket can be used for bezels of different thicknesses, thereby tremendously increasing flexibility in use. Therefore, the lamp socket can be used for backlight units of different sizes and has superior commonness, and accordingly the production cost and the likelihood of assembly errors in the production line can be decreased.
  • FIGS. 1 through 4 illustrate a lamp socket in accordance with a first embodiment of the present invention
  • FIGS. 5 and 6 illustrate a lamp socket in accordance with a second embodiment of the present invention
  • FIGS. 7 through 9 illustrate a lamp socket in accordance with a third embodiment of the present invention.
  • FIGS. 10 and 11 illustrate a lamp socket in accordance with a fourth embodiment of the present invention.
  • FIG. 12 illustrates a lamp socket in accordance with a fifth embodiment of the present invention.
  • FIG. 1 illustrates a lamp socket in accordance with a first embodiment of the present invention
  • FIG. 2 and FIG. 3 illustrate the front view and side view of the lamp socket shown in FIG. 1
  • a lamp socket 10 includes a socket body 11 , and the upper portion of the socket body 11 is provided with a flange 12 that is connected to the socket body 11 and horizontally protrudes from the socket body 11 .
  • Two support members 13 are connected to the socket body 11 and extend upward.
  • the socket body 11 includes a first side surface 23 and a second side surface 24 opposite to the first side surface 23 .
  • the two support members 13 are placed at the first side surface 23 and the second side surface 24 , respectively.
  • the top of the support member 13 is a stepped structure 14 including a first step 15 , a second step 16 , a third step 17 and a fourth step 18 .
  • the gaps between the stepped structure 14 and the flange 12 correspond to a first engaging width a, a second engaging width b, a third engaging width c and a fourth engaging width d for engaging with bezels of different thicknesses, thereby increasing the application variety of the lamp socket 10 .
  • the gap between the support member 13 and the flange 12 forms an engaging groove 19 of multiple engaging widths, and therefore the socket body 11 can be engaged with the bezels of different thicknesses. This is shown in further detail in FIG. 4 .
  • the support member 13 is placed at two sides of the front of the lamp socket 10 .
  • the lamp socket 10 has reinforced ribs 22 on the socket body 11 , and the reinforced ribs 22 and the support members 13 are placed on the same side surfaces.
  • the front of the socket body 11 is provided with a reinforced plate 21 .
  • the tops of the reinforced ribs 22 and the reinforced plates 21 are connected to the bottom of the flange 12 to increase the strength and rigidity of the lamp socket 10 .
  • FIG. 4 illustrates a backlight unit 40 including the above-mentioned lamp socket 10 which is engaged with bezel 41 or 42 (dotted lines).
  • the thinner bezel 41 is engaged with a higher step of the stepped structure 14 , e.g., the fourth step 18 .
  • the thicker bezel 42 is engaged with a lower step of the stepped structure 14 , e.g., the second step 16 . Accordingly, if the bezels 41 and 42 have different thicknesses, the lamp socket 10 can be engaged with either bezel 41 or 42 according to the design of the stepped structure 14 .
  • FIG. 5 illustrates the lamp socket in accordance with the second embodiment of the present invention
  • FIG. 6 illustrates the front view of the lamp socket shown in FIG. 5
  • a lamp socket 20 includes a socket body 11 , and the upper portion of the socket body 11 is provided with a flange 12 connected to the socket body 11 and horizontally protruding from the socket body 11 .
  • Two support members 43 are connected to the socket body 11 and extend upward.
  • the socket body 11 includes a first side surface 23 and a second side surface 24 opposite to the first side surface 23 .
  • the two support members 43 are placed at the first side surface 23 and the second side surface 24 , respectively.
  • the support member 43 is a forked structure, and includes at least a first branch 44 and a second branch 45 .
  • the gap between the top of the first branch 44 and the flange 12 corresponds to a first engaging width e
  • the gap between the top of the second branch 45 and the flange 12 corresponds to a second engaging width f.
  • the gap between the support member 43 and the flange 12 includes an engaging groove 49 of multiple engaging widths, and therefore the lamp socket 20 can be engaged with backlight units having bezels of different thicknesses.
  • the lamp socket 20 may have the reinforced ribs 22 and the reinforced plates 21 to increase the strength and rigidity of the entire lamp socket 20 .
  • the differences of the lamp socket 10 of the first embodiment and the lamp socket 20 of the second embodiment are the detail structures of the support members 13 and 43 ; of which one support member 13 uses a stepped structure 14 while the other support member 43 uses a forked structure including branches 44 and 45 . All the designs are intended to form engaging grooves 19 and 49 each including at least two engaging widths between the support members 13 or 43 and the flange 12 .
  • FIG. 7 illustrates a lamp socket in accordance with a third embodiment of the present invention, in which the lamp socket is engaged with a bezel of a backlight unit.
  • FIG. 8 and FIG. 9 illustrate the front view and the side view, respectively, of the lamp socket shown in FIG. 7 .
  • a backlight unit 90 includes a lamp socket 70 and a bezel 80 .
  • the lamp socket 70 includes a socket body 11 , and the upper portion of the socket body 11 is provided with a flange 12 connected to the socket body 11 and horizontally protruding from the socket body 11 .
  • the socket body 11 includes a first side surface 63 , a second side surface 64 opposite to the first side surface 63 , a third side surface 65 and a fourth side surface 66 opposite to the third side surface 65 .
  • two support members 73 are placed at the first side surface 63 and the second side surface 64 , respectively.
  • the gap between the top of the support member 73 and the flange 12 forms an engaging groove 75 with an engaging width g.
  • Two support members 74 are placed at the third side surface 65 and the fourth side surface 66 , respectively.
  • the gap between the top of the support member 74 and the flange 12 forms the engaging groove 76 with an engaging width h.
  • the engaging width g and the engaging width h are of different dimensions, allowing the lamp socket to be applied to bezels of different thicknesses.
  • the support members 74 are used for securing the lamp socket 70 to the bezel 80 . That is, when the lamp 70 is secured to the bezel 80 , the engaging grooves 76 of the support members 74 contact and support the bezel 80 , and the engaging grooves 75 of the support members 73 do not contact the bezel 80 .
  • the support members 73 and 74 are formed on a different pair of opposite surfaces of the socket body 11 , and the gaps between the tops of the support members 73 and 74 on the different pair of opposite surfaces and the flange 12 form the engaging grooves 75 and 76 of different engaging widths.
  • the bezel 80 includes openings 81 which are positioned corresponding to the support members 74 , allowing the lamp socket 70 to be secured to the bezel 80 .
  • the bezel 80 has to have larger openings 81 to bypass the engaging grooves 76 of the support members 74 . Consequently, the bezel 80 can be contacted and supported by the engaging grooves 75 of the support members 73 .
  • FIG. 10 illustrates a lamp socket in accordance with a fourth embodiment of the present invention, in which the lamp socket is engaged with a bezel of a backlight unit.
  • FIG. 11 illustrates the cross-sectional view along line 1 - 1 of FIG. 10 .
  • a backlight unit 100 includes a lamp socket 101 and a bezel 102 .
  • the lamp socket 101 includes a socket body 103 and clamp members 104 .
  • each of the clamp members 104 extends from the socket body 103 .
  • the socket body 103 may further includes a flange 107 horizontally extending from the socket body 103 .
  • the flange 107 and the clamping members 104 form horizontal engaging grooves 105 .
  • the bezel 102 includes a bending end 106 to be engaged with the engaging grooves 105 .
  • the depth m of the engaging groove 105 is greater than or equal to the height n of the bending end 106 for engaging the bending end 106 therein, thereby securing the lamp socket 101 to the bezel 102 .
  • the bending end 106 can be adjusted according to the thickness of the bezel 102 to comply with the depth of the engaging groove 105 . For example, if the bezel 102 is thinner, the bending end 106 extending upward becomes longer and the bending position is nearer to the outside. In contrast, if the bezel 102 is thicker, the bending end 106 extending upward becomes shorter and the bending position is nearer to the inside. Accordingly, bezels 102 of different thicknesses can be bent according to the height of the engaging groove 105 and the bending position, so as to secure the lamp socket 101 to the bezel 102 .
  • FIG. 12 illustrates a cross-sectional view of a lamp socket in accordance with a fifth embodiment of the present invention, in which the lamp socket is secured to a bezel.
  • a backlight unit 120 includes a lamp socket 101 and a bezel 102 .
  • the clamping member 104 ′ extends downward from the socket body 103 and is associated with the flange 107 to form an engaging groove 105 for securing the bending end 106 ′ of the bezel 102 therein.
  • the extension direction (upward or downward) of the bending end 106 or 106 ′ of the clamping member 104 or 104 ′ of the lamp socket 101 is not restricted, and can be determined as desired.
  • a single lamp socket can be used for bezels of different thicknesses, and thus can be applied for backlight units of different dimensions, thereby obtaining superior commonness of design and reduction of mold cost. Moreover, because the single lamp socket has the same methods for assembly or disassembly and the bezels of various sizes are assembled according to the same standard of process, assembly errors can be effectively avoided.

Landscapes

  • Planar Illumination Modules (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
US12/471,944 2008-11-21 2009-05-26 Backlight unit and lamp socket thereof Abandoned US20100130059A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/870,091 US8172605B2 (en) 2008-11-21 2010-08-27 Backlight unit and lamp socket thereof
US13/353,057 US8226434B2 (en) 2008-11-21 2012-01-18 Backlight unit and lamp socket thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW097145047 2008-11-21
TW097145047A TWI353431B (en) 2008-11-21 2008-11-21 Back light unit and lamp socket thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/870,091 Division US8172605B2 (en) 2008-11-21 2010-08-27 Backlight unit and lamp socket thereof

Publications (1)

Publication Number Publication Date
US20100130059A1 true US20100130059A1 (en) 2010-05-27

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
US12/471,944 Abandoned US20100130059A1 (en) 2008-11-21 2009-05-26 Backlight unit and lamp socket thereof
US12/870,091 Active US8172605B2 (en) 2008-11-21 2010-08-27 Backlight unit and lamp socket thereof
US13/353,057 Active US8226434B2 (en) 2008-11-21 2012-01-18 Backlight unit and lamp socket thereof

Family Applications After (2)

Application Number Title Priority Date Filing Date
US12/870,091 Active US8172605B2 (en) 2008-11-21 2010-08-27 Backlight unit and lamp socket thereof
US13/353,057 Active US8226434B2 (en) 2008-11-21 2012-01-18 Backlight unit and lamp socket thereof

Country Status (2)

Country Link
US (3) US20100130059A1 (zh)
TW (1) TWI353431B (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100323556A1 (en) * 2008-11-21 2010-12-23 Au Optronics Corporation Backlight unit and lamp socket thereof
WO2013112800A1 (en) * 2012-01-26 2013-08-01 Tyco Electronics Corporation Panel mounted connector assembly
US20150162809A1 (en) * 2013-12-11 2015-06-11 Lg Innotek Co., Ltd. Motor terminal, motor terminal assembly having the same, and method of assembling motor using the same
EP3018767A1 (en) * 2014-11-10 2016-05-11 Tyco Electronics Corporation Panel mount header connector
US20170063001A1 (en) * 2015-09-01 2017-03-02 Sumitomo Wiring Systems, Ltd. Connector assembly having a connector housing including cam ribs

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012105901B4 (de) * 2012-07-03 2016-03-10 Wago Verwaltungsgesellschaft Mbh Zugentlastungseinheit für einen elektrischen Steckverbinder
JP6274852B2 (ja) * 2013-12-17 2018-02-07 カルソニックカンセイ株式会社 車載用機器の取付構造
JP6441278B2 (ja) * 2016-09-13 2018-12-19 矢崎総業株式会社 係止機構、コネクタ、及び、ワイヤハーネス
TWI716662B (zh) * 2018-01-19 2021-01-21 葵谷科技實業有限公司 具有閂扣結構之連接器
CN215377800U (zh) * 2021-07-21 2021-12-31 泰科电子（苏州）有限公司 端子保护件、连接器和连接器组件

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US2424757A (en) * 1945-06-06 1947-07-29 Jr Ferdinand Klumpp Self-locking bushing
US7651354B2 (en) * 2006-06-27 2010-01-26 Samsung Electronics Co., Ltd. Lamp socket, backlight assembly including the lamp socket, and liquid crystal display including the backlight assembly

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US4080522A (en) * 1976-06-10 1978-03-21 Cutler-Hammer, Inc. Snap-in arrangement for mounting devices in a support panel aperture
US4687276A (en) * 1986-09-05 1987-08-18 The Babcock & Wilcox Company Connector clip for ribbon cable connector
US4955816A (en) * 1989-04-20 1990-09-11 Molex Incorporated Electrical connector system and insulation displacement terminals therefor
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JP2001357947A (ja) * 2000-06-12 2001-12-26 Niles Parts Co Ltd 車両用ソケット
KR20060057874A (ko) 2004-11-24 2006-05-29 삼성전자주식회사 트랜지스터의 제조 방법 및 어레이 기판의 제조 방법
JP2006344602A (ja) * 2005-06-09 2006-12-21 Samsung Electronics Co Ltd ランプ、ランプホルダー、電源供給モジュール、それを有するバックライトアセンブリ及び表示装置
TWM309646U (en) 2006-01-20 2007-04-11 Bing-Kuen Lin Improved structure of LED lamp tube
TWI353431B (en) * 2008-11-21 2011-12-01 Au Optronics Corp Back light unit and lamp socket thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424757A (en) * 1945-06-06 1947-07-29 Jr Ferdinand Klumpp Self-locking bushing
US7651354B2 (en) * 2006-06-27 2010-01-26 Samsung Electronics Co., Ltd. Lamp socket, backlight assembly including the lamp socket, and liquid crystal display including the backlight assembly

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100323556A1 (en) * 2008-11-21 2010-12-23 Au Optronics Corporation Backlight unit and lamp socket thereof
US8172605B2 (en) * 2008-11-21 2012-05-08 Au Optronics Corporation Backlight unit and lamp socket thereof
WO2013112800A1 (en) * 2012-01-26 2013-08-01 Tyco Electronics Corporation Panel mounted connector assembly
CN104106183A (zh) * 2012-01-26 2014-10-15 泰科电子公司 面板安装的连接器组件
US9033729B2 (en) 2012-01-26 2015-05-19 Tyco Electronics Corporation Panel mounted connector assembly
US20150162809A1 (en) * 2013-12-11 2015-06-11 Lg Innotek Co., Ltd. Motor terminal, motor terminal assembly having the same, and method of assembling motor using the same
US9755376B2 (en) * 2013-12-11 2017-09-05 Lg Innotek Co., Ltd. Motor terminal, motor terminal assembly having the same, and method of assembling motor using the same
US9905977B2 (en) 2013-12-11 2018-02-27 Lg Innotek Co., Ltd. Motor terminal, motor terminal assembly having the same, and method of assembling motor using the same
EP3018767A1 (en) * 2014-11-10 2016-05-11 Tyco Electronics Corporation Panel mount header connector
US9766415B2 (en) 2014-11-10 2017-09-19 Te Connectivity Corporation Panel mount header connector
US20170063001A1 (en) * 2015-09-01 2017-03-02 Sumitomo Wiring Systems, Ltd. Connector assembly having a connector housing including cam ribs
US10230201B2 (en) * 2015-09-01 2019-03-12 Sumitomo Wiring Systems, Ltd. Connector assembly having a connector housing including cam ribs

Also Published As

Publication number Publication date
TWI353431B (en) 2011-12-01
US8172605B2 (en) 2012-05-08
US8226434B2 (en) 2012-07-24
US20120115357A1 (en) 2012-05-10
US20100323556A1 (en) 2010-12-23
TW201020453A (en) 2010-06-01

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Legal Events

Date Code Title Description
AS Assignment

Owner name: AU OPTRONICS CORPORATION, TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, YEN LIN;FU, SHIH CHE;TIEN, CHING FU;AND OTHERS;REEL/FRAME:022734/0181

Effective date: 20090512

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION