JP6771515B2 - 回路基板及び表示装置 - Google Patents
回路基板及び表示装置 Download PDFInfo
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- JP6771515B2 JP6771515B2 JP2018149688A JP2018149688A JP6771515B2 JP 6771515 B2 JP6771515 B2 JP 6771515B2 JP 2018149688 A JP2018149688 A JP 2018149688A JP 2018149688 A JP2018149688 A JP 2018149688A JP 6771515 B2 JP6771515 B2 JP 6771515B2
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- 239000004020 conductor Substances 0.000 claims description 66
- 239000000758 substrate Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 6
- 230000004913 activation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005401 electroluminescence Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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
-
- 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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
-
- 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
-
- 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]
- G09G3/3266—Details of drivers for scan electrodes
-
- 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]
- G09G3/3275—Details of drivers for data electrodes
-
- 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
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2380/00—Specific applications
- G09G2380/02—Flexible displays
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Description
[1−1.表示装置の全体構成]
まず、本実施の形態に係る表示装置の全体構成について図面を用いて説明する。
続いて、本実施の形態に係る表示装置1の画素回路20について図2を用いて説明する。
本実施の形態に係る表示装置1が備える回路基板について、図3及び図4を用いて説明する。図3は、本実施の形態に係る表示装置1の回路基板9の構成を示す概略図である。図3には、表示装置1の表示面の裏側が示されている。図4は、本実施の形態に係る回路基板9の拡大図である。図4は、図3の破線枠IVの内部の拡大図である。
本実施の形態に係る回路基板9の作用について説明する。
以上のように、本実施の形態に係る回路基板9は、複数の画素回路20を有する表示パネル12に電源電圧を供給する。複数の画素回路20の各々は、供給される電流に応じて輝度が変化する発光素子26を有する。回路基板9は、電源電圧を出力する電源回路3と、電源回路3に接続される第一電源配線101及び第二電源配線102とを有する電源配線板100と、第一配線111を有する第一配線板110と、第二配線121を有する第二配線板120とを備える。回路基板9は、さらに、電源配線板100と第一配線板110とを接続する第一ケーブル150であって、第一電源配線101と第一配線111とを接続する第一導体151を含む第一ケーブル150と、電源配線板100と第二配線板120とを接続する第二ケーブル160であって、第二電源配線102と第二配線121とを接続する第二導体161を含む第二ケーブル160と、第一配線111と第二配線121とを短絡する短絡導体141とを備える。第一電源配線101と第一導体151とを含む電源回路3から第一配線板110までの経路の電気長は、第二電源配線102と第二導体161とを含む電源回路3から第二配線板120までの経路の電気長より短い。
実施の形態2に係る回路基板及び表示装置について説明する。本実施の形態に係る回路基板は、第一配線板及び第二配線板の構成において、実施の形態1に係る回路基板9と相違し、その他の構成において一致する。以下の本実施の形態に係る回路基板及び表示装置について図7を用いて説明する。
以上、本開示に係る回路基板などについて、実施の形態に基づいて説明してきたが、本開示に係る回路基板などは、上記実施の形態に限定されるものではない。実施の形態における任意の構成要素を組み合わせて実現される別の実施の形態や、実施の形態に対して本開示の主旨を逸脱しない範囲で当業者が思いつく各種変形を施して得られる変形例や、本実施の形態に係る表示装置を内蔵した各種機器も本開示に含まれる。
2 表示部
3 電源回路
9、209 回路基板
12 表示パネル
20 画素回路
21 参照トランジスタ
22 有効化トランジスタ
23 選択トランジスタ
24 保持容量素子
25 駆動トランジスタ
26 発光素子
30 給電線
31、32、33 電源線
40 データ線駆動回路
50 ゲート駆動回路
60 制御回路
100 電源配線板
101 第一電源配線
102 第二電源配線
105、106、107、108、115、116、125、126、175、185 コネクタ
110、210 第一配線板
120、220 第二配線板
131a、131b、131c 第一接続板
132a、132b、132c 第二接続板
133a、133b、133c、133d、133e、133f 第一映像接続板
134a、134b、134c、134d、134e、134f 第二映像接続板
140 短絡ケーブル
141 短絡導体
150 第一ケーブル
151 第一導体
160 第二ケーブル
161 第二導体
170 第一映像配線板
180 第二映像配線板
300 薄型フラットTV
Data データ線
INI 初期化制御線
Pc1 第一接続点
Pc2 第二接続点
Claims (6)
- 複数の画素回路を有する表示パネルに電源電圧を供給する回路基板であって、
前記複数の画素回路の各々は、供給される電流に応じて輝度が変化する発光素子を有し、
前記回路基板は、
前記電源電圧を出力する電源回路と、前記電源回路に接続される第一電源配線及び第二電源配線とを有する電源配線板と、
第一配線を有する第一配線板と、
第二配線を有する第二配線板と、
前記電源配線板と前記第一配線板とを接続する第一ケーブルであって、前記第一電源配線と前記第一配線とを接続する第一導体を含む第一ケーブルと、
前記電源配線板と前記第二配線板とを接続する第二ケーブルであって、前記第二電源配線と前記第二配線とを接続する第二導体を含む第二ケーブルと、
前記第一配線と前記第二配線とを短絡する短絡導体とを備え、
前記第一電源配線と前記第一導体とを含む前記電源回路から前記第一配線板までの経路の電気長は、前記第二電源配線と前記第二導体とを含む前記電源回路から前記第二配線板までの経路の電気長より短く、
前記電源配線板は、入力される映像信号に対応する階調信号を前記表示パネルに供給する制御回路を有し、
前記電源回路は、前記電源配線板の長手方向において、前記制御回路より前記電源配線板の中央からずれた位置に配置され、
前記電源配線板は、前記表示パネルの長手方向中央に配置される
回路基板。 - 前記制御回路は、前記電源配線板の長手方向中央に配置される
請求項1に記載の回路基板。 - 前記電源回路は、前記電源配線板の長手方向において、前記電源配線板の中央からずれた位置に配置される
請求項1又は2に記載の回路基板。 - 前記短絡導体は、前記表示パネルの外部に配置される
請求項1〜3のいずれか1項に記載の回路基板。 - 前記第一配線及び前記第二配線は、それぞれ前記表示パネルの第一接続点及び第二接続点に接続され、
前記短絡導体の抵抗値は、前記表示パネルにおける前記第一接続点と前記第二接続点との間の抵抗値より小さい
請求項1〜4のいずれか1項に記載の回路基板。 - 請求項1〜5のいずれか1項に記載の回路基板と、
前記表示パネルとを備える
表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2018149688A JP6771515B2 (ja) | 2018-08-08 | 2018-08-08 | 回路基板及び表示装置 |
US16/456,399 US11158252B2 (en) | 2018-08-08 | 2019-06-28 | Circuit board and display device |
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Application Number | Priority Date | Filing Date | Title |
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JP2018149688A JP6771515B2 (ja) | 2018-08-08 | 2018-08-08 | 回路基板及び表示装置 |
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Publication Number | Publication Date |
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JP2020024336A JP2020024336A (ja) | 2020-02-13 |
JP6771515B2 true JP6771515B2 (ja) | 2020-10-21 |
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JP2018149688A Active JP6771515B2 (ja) | 2018-08-08 | 2018-08-08 | 回路基板及び表示装置 |
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JP (1) | JP6771515B2 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006018154A (ja) * | 2004-07-05 | 2006-01-19 | Sanyo Electric Co Ltd | 液晶表示装置 |
KR100707632B1 (ko) | 2005-03-31 | 2007-04-12 | 삼성에스디아이 주식회사 | 발광표시장치 및 그의 구동방법 |
TWI354977B (en) * | 2007-04-18 | 2011-12-21 | Au Optronics Corp | Display panel and opto-electronic apparatus |
JP2009168867A (ja) | 2008-01-11 | 2009-07-30 | Hitachi Displays Ltd | 表示装置 |
KR101084241B1 (ko) | 2010-01-05 | 2011-11-16 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
-
2018
- 2018-08-08 JP JP2018149688A patent/JP6771515B2/ja active Active
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2019
- 2019-06-28 US US16/456,399 patent/US11158252B2/en active Active
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Publication number | Publication date |
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US11158252B2 (en) | 2021-10-26 |
JP2020024336A (ja) | 2020-02-13 |
US20200051498A1 (en) | 2020-02-13 |
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