JP2008158378A - 表示装置及びその駆動方法 - Google Patents
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
- G09G2300/0866—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes by means of changes in the pixel supply voltage
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】制御用スキャナ104は、信号線DTL1が基準電位にある時間帯でサンプリング用トランジスタTrsを導通させ、駆動用トランジスタTrdのゲートgに基準電位を印加するとともに、給電線DSL1から低電位を駆動用トランジスタTrdのソースsにセットする。その後電源スキャナ105は、給電線DSL1を低電位から高電位に切り換えて、駆動用トランジスタTrdの閾電圧Vthに相当する電圧を保持容量Csに書き込む。その際、発光素子ELの発光開始直前における駆動用トランジスタTrdのソース電位が、発光素子ELの閾電圧を越えないように、あらかじめ信号線DTL1の基準電位及び給電線の低電位を設定する。
【選択図】図2
Description
Claims (3)
- 画素アレイ部とこれを駆動する駆動部とからなり、
前記画素アレイ部は、行状の走査線と、列状の信号線と、両者が交差する部分に配された行列状の画素と、画素の各行に対応して配された給電線とを備え、
前記駆動部は、各走査線に順次制御信号を供給して画素を行単位で線順次走査する制御用スキャナと、
該線順次走査に合わせて各給電線に第1電位と第2電位で切り換わる電源電圧を供給する電源スキャナと、
該線順次走査に合わせて列状の信号線に映像信号となる信号電位と基準電位を供給する信号セレクタとを備え、
前記画素は、発光素子と、サンプリング用トランジスタと、駆動用トランジスタと、保持容量とを含み、
前記サンプリング用トランジスタは、そのゲートが該走査線に接続し、そのソース及びドレインの一方が該信号線に接続し、他方が該駆動用トランジスタのゲートに接続し、
前記駆動用トランジスタは、そのソース及びドレインの一方が該発光素子に接続し、他方が該給電線に接続し、
前記保持容量は、該駆動用トランジスタのソースとゲートの間に接続している表示装置であって、
前記電源スキャナは、所定のタイミングで該給電線を第1電位から第2電位に切り換え、
前記制御用スキャナは、該信号線が基準電位にある時間帯で該走査線に制御信号を供給して該サンプリング用トランジスタを導通させ、該信号線から基準電位を該駆動用トランジスタのゲートに印加するとともに該給電線から第2電位を該駆動用トランジスタのソースにセットし、
続いて前記電源スキャナは、該信号線が基準電位にある時間帯で、該給電線を第2電位から第1電位に切り換えて、該駆動用トランジスタの閾電圧に相当する電圧を該保持容量に書き込むよう動作し、
続いて前記制御用スキャナは、該信号線が信号電位にある時間帯で該走査線に制御信号を供給して該サンプリング用トランジスタを導通させ該信号電位をサンプリングして該保持容量に書き込み、且つ該保持容量に信号電位が保持されたタイミングで走査線に対する制御信号の印加を解除し該サンプリング用トランジスタを非導通状態にして該駆動用トランジスタのゲートを該信号線から電気的に切り離し、
前記駆動用トランジスタは、第1電位にある該給電線から電流の供給を受け該保持容量に保持されたされた信号電位に応じて駆動電流を該発光素子に流し、
前記発光素子は駆動電流に応じて発光を開始するとともに、該駆動用トランジスタのソース電位の変動に伴ってゲート電位が連動しゲートとソース間の電圧を一定に維持し、
該発光素子の発光開始直前における該駆動用トランジスタのソース電位が、該発光素子の閾電圧を越えないように、あらかじめ該信号線の基準電位及び給電線の第2電位を設定することをことを特徴とする表示装置。 - 前記サンプリング用トランジスタは、該保持容量に信号電位を保持する際、該駆動用トランジスタの移動度に対する補正を信号電位に加えることを特徴とする請求項1記載の表示装置。
- 画素アレイ部とこれを駆動する駆動部とからなり、
前記画素アレイ部は、行状の走査線と、列状の信号線と、両者が交差する部分に配された行列状の画素と、画素の各行に対応して配された給電線とを備え、
前記駆動部は、各走査線に順次制御信号を供給して画素を行単位で線順次走査する制御用スキャナと、
該線順次走査に合わせて各給電線に第1電位と第2電位で切り換わる電源電圧を供給する電源スキャナと、
該線順次走査に合わせて列状の信号線に映像信号となる信号電位と基準電位を供給する信号セレクタとを備え、
前記画素は、発光素子と、サンプリング用トランジスタと、駆動用トランジスタと、保持容量とを含み、
前記サンプリング用トランジスタは、そのゲートが該走査線に接続し、そのソース及びドレインの一方が該信号線に接続し、他方が該駆動用トランジスタのゲートに接続し、
前記駆動用トランジスタは、そのソース及びドレインの一方が該発光素子に接続し、他方が該給電線に接続し、
前記保持容量は、該駆動用トランジスタのソースとゲートの間に接続している表示装置の駆動方法であって、
前記電源スキャナが、所定のタイミングで該給電線を第1電位から第2電位に切り換え、
前記制御用スキャナが、該信号線が基準電位にある時間帯で該走査線に制御信号を供給して該サンプリング用トランジスタを導通させ、該信号線から基準電位を該駆動用トランジスタのゲートに印加するとともに該給電線から第2電位を該駆動用トランジスタのソースにセットし、
続いて前記電源スキャナが、該信号線が基準電位にある時間帯で、該給電線を第2電位から第1電位に切り換えて、該駆動用トランジスタの閾電圧に相当する電圧を該保持容量に書き込むよう動作し、
続いて前記制御用スキャナが、該信号線が信号電位にある時間帯で該走査線に制御信号を供給して該サンプリング用トランジスタを導通させ該信号電位をサンプリングして該保持容量に書き込み、且つ該保持容量に信号電位が保持されたタイミングで走査線に対する制御信号の印加を解除し該サンプリング用トランジスタを非導通状態にして該駆動用トランジスタのゲートを該信号線から電気的に切り離し、
前記駆動用トランジスタが、第1電位にある該給電線から電流の供給を受け該保持容量に保持されたされた信号電位に応じて駆動電流を該発光素子に流し、
前記発光素子が駆動電流に応じて発光を開始するとともに、該駆動用トランジスタのソース電位の変動に伴ってゲート電位が連動しゲートとソース間の電圧を一定に維持し、
発光素子の発光開始直前における該駆動用トランジスタのソース電位が、該発光素子の閾電圧を越えないように、あらかじめ該信号線の基準電位及び給電線の第2電位を設定することを特徴とする表示装置の駆動方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006348946A JP2008158378A (ja) | 2006-12-26 | 2006-12-26 | 表示装置及びその駆動方法 |
| US11/948,291 US20080150933A1 (en) | 2006-12-26 | 2007-11-30 | Display device and driving method thereof |
| KR1020070136417A KR20080060169A (ko) | 2006-12-26 | 2007-12-24 | 표시 장치 및 그 구동 방법 |
| CN2007101943879A CN101211534B (zh) | 2006-12-26 | 2007-12-26 | 显示装置及其驱动方法 |
| CN201010114201A CN101739942A (zh) | 2006-12-26 | 2007-12-26 | 显示装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006348946A JP2008158378A (ja) | 2006-12-26 | 2006-12-26 | 表示装置及びその駆動方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2008158378A true JP2008158378A (ja) | 2008-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006348946A Pending JP2008158378A (ja) | 2006-12-26 | 2006-12-26 | 表示装置及びその駆動方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080150933A1 (ja) |
| JP (1) | JP2008158378A (ja) |
| KR (1) | KR20080060169A (ja) |
| CN (2) | CN101739942A (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010039119A (ja) * | 2008-08-04 | 2010-02-18 | Sony Corp | 表示装置及びその駆動方法と電子機器 |
| WO2014061231A1 (ja) * | 2012-10-17 | 2014-04-24 | パナソニック株式会社 | ゲートドライバ集積回路およびそれを用いた画像表示装置 |
| WO2014061235A1 (ja) * | 2012-10-17 | 2014-04-24 | パナソニック株式会社 | El表示装置 |
| US9595222B2 (en) | 2012-10-09 | 2017-03-14 | Joled Inc. | Image display apparatus |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4640449B2 (ja) * | 2008-06-02 | 2011-03-02 | ソニー株式会社 | 表示装置及びその駆動方法と電子機器 |
| JP2010002498A (ja) * | 2008-06-18 | 2010-01-07 | Sony Corp | パネルおよび駆動制御方法 |
| KR101481829B1 (ko) * | 2008-08-11 | 2015-01-12 | 엘지디스플레이 주식회사 | 유기발광 표시장치 및 그의 구동방법 |
| JP5239812B2 (ja) * | 2008-12-11 | 2013-07-17 | ソニー株式会社 | 表示装置、表示装置の駆動方法および電子機器 |
| KR101056241B1 (ko) | 2008-12-19 | 2011-08-11 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시장치 |
| JP5593880B2 (ja) * | 2010-07-01 | 2014-09-24 | ソニー株式会社 | 表示装置、画素回路、表示駆動方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003271095A (ja) * | 2002-03-14 | 2003-09-25 | Nec Corp | 電流制御素子の駆動回路及び画像表示装置 |
| WO2006060902A1 (en) * | 2004-12-07 | 2006-06-15 | Ignis Innovation Inc. | Method and system for programming and driving active matrix light emitting device pixel |
| JP2008032863A (ja) * | 2006-07-27 | 2008-02-14 | Sony Corp | 表示装置およびその駆動方法 |
| JP2008033193A (ja) * | 2006-08-01 | 2008-02-14 | Sony Corp | 表示装置およびその駆動方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003075256A1 (en) * | 2002-03-05 | 2003-09-12 | Nec Corporation | Image display and its control method |
| US7612749B2 (en) * | 2003-03-04 | 2009-11-03 | Chi Mei Optoelectronics Corporation | Driving circuits for displays |
| JP2005099715A (ja) * | 2003-08-29 | 2005-04-14 | Seiko Epson Corp | 電子回路の駆動方法、電子回路、電子装置、電気光学装置、電子機器および電子装置の駆動方法 |
| JP4103850B2 (ja) * | 2004-06-02 | 2008-06-18 | ソニー株式会社 | 画素回路及、アクティブマトリクス装置及び表示装置 |
-
2006
- 2006-12-26 JP JP2006348946A patent/JP2008158378A/ja active Pending
-
2007
- 2007-11-30 US US11/948,291 patent/US20080150933A1/en not_active Abandoned
- 2007-12-24 KR KR1020070136417A patent/KR20080060169A/ko not_active Withdrawn
- 2007-12-26 CN CN201010114201A patent/CN101739942A/zh active Pending
- 2007-12-26 CN CN2007101943879A patent/CN101211534B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003271095A (ja) * | 2002-03-14 | 2003-09-25 | Nec Corp | 電流制御素子の駆動回路及び画像表示装置 |
| WO2006060902A1 (en) * | 2004-12-07 | 2006-06-15 | Ignis Innovation Inc. | Method and system for programming and driving active matrix light emitting device pixel |
| JP2008032863A (ja) * | 2006-07-27 | 2008-02-14 | Sony Corp | 表示装置およびその駆動方法 |
| JP2008033193A (ja) * | 2006-08-01 | 2008-02-14 | Sony Corp | 表示装置およびその駆動方法 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010039119A (ja) * | 2008-08-04 | 2010-02-18 | Sony Corp | 表示装置及びその駆動方法と電子機器 |
| US9595222B2 (en) | 2012-10-09 | 2017-03-14 | Joled Inc. | Image display apparatus |
| WO2014061231A1 (ja) * | 2012-10-17 | 2014-04-24 | パナソニック株式会社 | ゲートドライバ集積回路およびそれを用いた画像表示装置 |
| WO2014061235A1 (ja) * | 2012-10-17 | 2014-04-24 | パナソニック株式会社 | El表示装置 |
| JPWO2014061231A1 (ja) * | 2012-10-17 | 2016-09-05 | 株式会社Joled | ゲートドライバ集積回路およびそれを用いた画像表示装置 |
| US9734757B2 (en) | 2012-10-17 | 2017-08-15 | Joled Inc. | Gate driver integrated circuit, and image display apparatus including the same |
| US9773450B2 (en) | 2012-10-17 | 2017-09-26 | Joled Inc. | EL display panel with gate driver circuits mounted on flexible board including terminal connection lines connecting connection parts and control terminals |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080150933A1 (en) | 2008-06-26 |
| CN101211534A (zh) | 2008-07-02 |
| CN101211534B (zh) | 2010-06-02 |
| KR20080060169A (ko) | 2008-07-01 |
| CN101739942A (zh) | 2010-06-16 |
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