JP5763724B2 - データビット深度検出方法と表示装置 - Google Patents
データビット深度検出方法と表示装置 Download PDFInfo
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- JP5763724B2 JP5763724B2 JP2013169383A JP2013169383A JP5763724B2 JP 5763724 B2 JP5763724 B2 JP 5763724B2 JP 2013169383 A JP2013169383 A JP 2013169383A JP 2013169383 A JP2013169383 A JP 2013169383A JP 5763724 B2 JP5763724 B2 JP 5763724B2
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- 238000001514 detection method Methods 0.000 title claims description 6
- 238000012549 training Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013506 data mapping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised 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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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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
- G09G3/2092—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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
- G09G5/008—Clock recovery
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0693—Calibration of display systems
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0428—Gradation resolution change
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/14—Use of low voltage differential signaling [LVDS] for display data communication
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Digital Computer Display Output (AREA)
- Information Transfer Systems (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of El Displays (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Description
Claims (7)
- インタフェース送信端とインタフェース受信端との間の物理的な接続が確認された後、前記インタフェース送信端からCDR(Clock Data Recovery)トレーニングパターン信号が前記インタフェース受信端に伝送される段階と、
前記CDRトレーニングパターン信号を用いて前記インタフェース受信端のCDR回路からクロックが出力される段階と、
前記CDRトレーニングパターン信号に続いて、前記インタフェース送信端からV−by−one(登録商標)インターフェースによるアライメントトレーニングパターン信号が、前記受信端に受信される段階と、
前記インタフェース受信端で前記アライメントトレーニングパターン信号に含まれるピクセルデータのビットまたは前記クロックをカウントし、その結果に基づいて入力データのデータビット深度を判断する段階と
を含むことを特徴とするデータビット深度検出方法。 - 前記インタフェース受信端で前記アライメントトレーニングパターン信号からデータイネーブル信号を分離する段階をさらに含み、
前記インタフェース受信端は、前記データイネーブル信号のハイ区間またはロー区間内で前記カウント結果として得られた累積カウント値に基づいて、前記データビット深度を判断することを特徴とする、請求項1記載のデータビット深度検出方法。 - 表示パネルと、データ駆動回路と、スキャン駆動回路と、タイミングコントローラとを含む表示装置において、
ホストシステムに内蔵されたインタフェース送信端と、
前記タイミングコントローラに内蔵されたインタフェース受信端とを含み、
前記インタフェース送信端は、前記送信端と前記受信端との間の物理的な接続が確認された後、CDR(Clock Data Recovery)トレーニングパターン信号、V−by−one(登録商標)インターフェースによるアライメントトレーニングパターン信号、及び表示データの順に入力データを前記インタフェース受信端に伝送し、
前記インタフェース受信端は、
前記CDRトレーニングパターン信号が入力される内蔵CDR回路を用いてクロックを発生し、前記アライメントトレーニングパターン信号に含まれるピクセルデータのビットまたは前記クロックをカウントし、その結果に基づいて入力データのデータビット深度を判断することを特徴とする表示装置。 - 前記インタフェース受信端は、
前記アライメントトレーニングパターン信号からデータイネーブル信号を分離し、
前記データイネーブル信号のハイ区間またはロー区間内で前記のカウント結果として得られた累積カウント値に基づいて、前記データビット深度を判断することを特徴とする、請求項3記載の表示装置。 - 前記インタフェース受信端は、前記データイネーブル信号のハイ区間またはロー区間内で累積カウント値が900〜1050の場合、3バイトモードと判断する一方、1200〜1400の場合、4バイトであると判断することを特徴とする、請求項4記載の表示装置。
- 前記インタフェース受信端は、所定の基準値と前記累積カウント値とを比較し、その結果に基づいて前記データビット深度を判断することを特徴とする、請求項4記載の表示装置。
- 前記インタフェース受信端は、前記データイネーブル信号のハイ区間またはロー区間内で前記の累積カウント値が1100以下の場合、3バイトモードと判断する一方、1100より大きい場合は4バイトであると判断することを特徴とする、請求項5記載の表示装置。
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KR10-2012-0136118 | 2012-11-28 | ||
KR1020120136118A KR102011953B1 (ko) | 2012-11-28 | 2012-11-28 | 데이터 비트 뎁쓰 검출 방법과 이를 이용한 표시장치의 인터페이스 장치 |
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US (1) | US9361825B2 (ja) |
JP (1) | JP5763724B2 (ja) |
KR (1) | KR102011953B1 (ja) |
CN (1) | CN103854617B (ja) |
DE (1) | DE102013105559B4 (ja) |
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KR20180072170A (ko) | 2016-12-21 | 2018-06-29 | 주식회사 실리콘웍스 | 디스플레이 장치의 클럭 복원 회로 |
CN107071568B (zh) * | 2017-04-10 | 2019-12-17 | 青岛海信电器股份有限公司 | 发送器及状态控制方法 |
CN107483862A (zh) * | 2017-09-19 | 2017-12-15 | 龙迅半导体(合肥)股份有限公司 | 一种信号切换方法及系统 |
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KR102371823B1 (ko) * | 2017-12-04 | 2022-03-07 | 주식회사 엘엑스세미콘 | 디스플레이 장치에서의 데이터송수신방법 및 디스플레이 패널구동장치 |
KR102463789B1 (ko) * | 2017-12-21 | 2022-11-07 | 주식회사 엘엑스세미콘 | 디스플레이 패널구동장치 및 디스플레이 장치에서의 영상데이터송수신방법 |
KR102555144B1 (ko) * | 2017-12-29 | 2023-07-12 | 엘지디스플레이 주식회사 | 디스플레이 장치 |
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KR102507862B1 (ko) * | 2018-07-09 | 2023-03-08 | 주식회사 엘엑스세미콘 | 인터페이스신호에서 임베디드클럭을 복원하는 클럭복원장치 및 소스드라이버 |
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JP2014106529A (ja) | 2014-06-09 |
DE102013105559B4 (de) | 2022-01-20 |
US9361825B2 (en) | 2016-06-07 |
DE102013105559A1 (de) | 2014-05-28 |
KR102011953B1 (ko) | 2019-08-19 |
CN103854617B (zh) | 2016-02-24 |
US20140146058A1 (en) | 2014-05-29 |
CN103854617A (zh) | 2014-06-11 |
KR20140068524A (ko) | 2014-06-09 |
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