CN1985523B - 投影设备的操作方法以及投影设备 - Google Patents
投影设备的操作方法以及投影设备 Download PDFInfo
- Publication number
- CN1985523B CN1985523B CN200580021024.4A CN200580021024A CN1985523B CN 1985523 B CN1985523 B CN 1985523B CN 200580021024 A CN200580021024 A CN 200580021024A CN 1985523 B CN1985523 B CN 1985523B
- Authority
- CN
- China
- Prior art keywords
- period
- luminescent device
- electric current
- frame period
- frame
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims description 49
- 230000000007 visual effect Effects 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000009877 rendering Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 241000533950 Leucojum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
Images
Classifications
-
- 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
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
- H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination 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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0235—Field-sequential colour display
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0237—Switching ON and OFF the backlight within one frame
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
-
- 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
- G09G2320/0613—The adjustment depending on the type of the information to be displayed
- G09G2320/062—Adjustment of illumination source parameters
-
- 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
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- 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
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (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)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/835,672 US7408527B2 (en) | 2004-04-30 | 2004-04-30 | Light emitting device driving method and projection apparatus so equipped |
US10/835,672 | 2004-04-30 | ||
PCT/US2005/014510 WO2005111691A2 (en) | 2004-04-30 | 2005-04-27 | Light emitting device driving method and projection apparatus so equipped |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1985523A CN1985523A (zh) | 2007-06-20 |
CN1985523B true CN1985523B (zh) | 2011-07-06 |
Family
ID=34967040
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200580021024.4A Expired - Fee Related CN1985523B (zh) | 2004-04-30 | 2005-04-27 | 投影设备的操作方法以及投影设备 |
CN200520011877.7U Expired - Lifetime CN2935207Y (zh) | 2004-04-30 | 2005-04-30 | 投影装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200520011877.7U Expired - Lifetime CN2935207Y (zh) | 2004-04-30 | 2005-04-30 | 投影装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7408527B2 (zh) |
EP (1) | EP1754092A2 (zh) |
JP (1) | JP2007535709A (zh) |
CN (2) | CN1985523B (zh) |
DE (1) | DE202005006910U1 (zh) |
WO (1) | WO2005111691A2 (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7408527B2 (en) * | 2004-04-30 | 2008-08-05 | Infocus Corporation | Light emitting device driving method and projection apparatus so equipped |
US20060038809A1 (en) * | 2004-08-23 | 2006-02-23 | Kuo Huei P | Method of illuminating a light valve with an overdrive level |
JP2006184568A (ja) * | 2004-12-27 | 2006-07-13 | Toshiba Corp | プロジェクション映像表示装置 |
KR100629586B1 (ko) * | 2005-03-31 | 2006-09-27 | 삼성에스디아이 주식회사 | 발광표시장치 및 그의 구동방법 |
KR100707632B1 (ko) * | 2005-03-31 | 2007-04-12 | 삼성에스디아이 주식회사 | 발광표시장치 및 그의 구동방법 |
JP2007157638A (ja) * | 2005-12-08 | 2007-06-21 | Minebea Co Ltd | 光源装置およびそれを用いた画像表示装置 |
JP2007171364A (ja) * | 2005-12-20 | 2007-07-05 | Samsung Electronics Co Ltd | 可視光led光源装置、それを用いた画像投影システムおよび可視光ledの駆動方法 |
JP4961923B2 (ja) * | 2006-09-15 | 2012-06-27 | ブラザー工業株式会社 | 投影装置 |
JP4867550B2 (ja) * | 2006-09-26 | 2012-02-01 | ブラザー工業株式会社 | 映像生成装置 |
KR100857672B1 (ko) * | 2007-02-02 | 2008-09-08 | 삼성에스디아이 주식회사 | 유기전계발광표시장치 및 그의 구동방법 |
US20080246782A1 (en) * | 2007-03-02 | 2008-10-09 | Taro Endo | Color display system |
US20080273044A1 (en) * | 2007-05-02 | 2008-11-06 | Govorkov Sergei V | Semiconductor light-emitting device illuminated projection display with high grayscale resolution |
US8542167B2 (en) * | 2007-08-01 | 2013-09-24 | Himax Technologies Limited | Projection type display apparatus |
DE102007053481B4 (de) * | 2007-11-09 | 2020-01-02 | Diehl Aerospace Gmbh | Verfahren zum Dimmen von Lichtquellen ausgebildet zum Erzeugen von Mischlichtfarben |
TWI406245B (zh) * | 2009-02-27 | 2013-08-21 | Innolux Corp | 顯示裝置及其驅動方法 |
DE102009037576B4 (de) | 2009-08-14 | 2011-06-16 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und Verfahren zum Betreiben mindestens einer LED |
DE102010003136A1 (de) * | 2010-03-23 | 2011-09-29 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und Verfahren zum Betreiben mindestens einer LED |
CN104036744B (zh) * | 2014-06-07 | 2016-04-13 | 深圳市华星光电技术有限公司 | 一种显示器的驱动方法及装置 |
CN105988272B (zh) | 2015-02-15 | 2019-03-01 | 深圳光峰科技股份有限公司 | 投影系统及其控制方法 |
CN107045851B (zh) * | 2016-02-05 | 2019-08-02 | 大陆汽车车身电子系统(芜湖)有限公司 | 基于spi的平视显示器背光控制方法 |
US10091476B2 (en) * | 2016-03-28 | 2018-10-02 | Christie Digital Systems Usa, Inc. | Reduced blend artifacts in a multiple digital projector system |
CN109637463B (zh) * | 2019-01-28 | 2020-11-06 | 京东方科技集团股份有限公司 | 背光插黑优化方法、装置、介质及电子设备 |
CN115083368B (zh) * | 2022-07-26 | 2024-03-26 | Tcl华星光电技术有限公司 | 充电补偿装置、显示终端及充电补偿方法 |
Citations (5)
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CN1273641A (zh) * | 1998-06-05 | 2000-11-15 | 精工爱普生股份株式会社 | 光源装置和显示装置 |
CN1324187A (zh) * | 2000-05-12 | 2001-11-28 | 皇家菲利浦电子有限公司 | 投影系统和运行投影系统的方法 |
US6377236B1 (en) * | 1999-07-29 | 2002-04-23 | Hewlett-Packard Company | Method of illuminating a light valve with improved light throughput and color balance correction |
EP1395064A2 (en) * | 2002-08-07 | 2004-03-03 | Olympus Optical Co., Ltd. | Illumination apparatus and projector display apparatus |
CN2935207Y (zh) * | 2004-04-30 | 2007-08-15 | 因佛卡斯公司 | 投影装置 |
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US4851818A (en) | 1988-04-01 | 1989-07-25 | Eastman Kodak Company | Electronic controller for a water purifying unit |
US5912568A (en) | 1997-03-21 | 1999-06-15 | Lucent Technologies Inc. | Led drive circuit |
JPH10319911A (ja) | 1997-05-15 | 1998-12-04 | Matsushita Electric Ind Co Ltd | Led表示装置およびその制御方法 |
US6036298A (en) | 1997-06-30 | 2000-03-14 | Hewlett-Packard Company | Monochromatic optical sensing system for inkjet printing |
US6232963B1 (en) | 1997-09-30 | 2001-05-15 | Texas Instruments Incorporated | Modulated-amplitude illumination for spatial light modulator |
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JP2002502980A (ja) | 1998-02-10 | 2002-01-29 | イーワイ ラボラトリーズ インコーポレイテッド | 試料ホルダ起伏形状を補償し且つシステム・ノイズのロック除去を行う反射測定システム |
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US6262829B1 (en) * | 1999-07-29 | 2001-07-17 | Hewlett-Packard Co. | Method of digital grayscale control using modulation of a slow-acting light source |
JP2001175216A (ja) * | 1999-10-04 | 2001-06-29 | Matsushita Electric Ind Co Ltd | 高階調度表示技術 |
JP3483026B2 (ja) | 1999-12-08 | 2004-01-06 | Necモバイリング株式会社 | 携帯端末機及び携帯端末機におけるバックライト表示方法 |
WO2001069584A1 (fr) * | 2000-03-14 | 2001-09-20 | Mitsubishi Denki Kabushiki Kaisha | Afficheur d'image et procede d'affichage d'image |
US6628252B2 (en) | 2000-05-12 | 2003-09-30 | Rohm Co., Ltd. | LED drive circuit |
CA2311435C (en) | 2000-06-13 | 2004-04-20 | Ibm Canada Limited-Ibm Canada Limitee | Capacitor regulated high efficiency driver for light emitting diode |
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JP2002297085A (ja) * | 2001-03-30 | 2002-10-09 | Ricoh Co Ltd | 階調表示方法及び階調表示装置 |
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JP3937758B2 (ja) * | 2001-06-08 | 2007-06-27 | 株式会社日立製作所 | 画像表示装置 |
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GB0204212D0 (en) | 2002-02-22 | 2002-04-10 | Oxley Dev Co Ltd | Led drive circuit |
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JP2003270613A (ja) * | 2002-03-15 | 2003-09-25 | Sharp Corp | 液晶表示装置の調光方法及び液晶表示装置 |
JP2003284088A (ja) * | 2002-03-20 | 2003-10-03 | Matsushita Electric Ind Co Ltd | 色順次表示方法と表示装置およびその駆動方法 |
JP3977675B2 (ja) * | 2002-03-27 | 2007-09-19 | 東芝松下ディスプレイテクノロジー株式会社 | 色順次表示方式の液晶表示装置およびその駆動方法 |
US6777883B2 (en) | 2002-04-10 | 2004-08-17 | Koninklijke Philips Electronics N.V. | Integrated LED drive electronics on silicon-on-insulator integrated circuits |
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JP4017960B2 (ja) | 2002-10-24 | 2007-12-05 | 日本テキサス・インスツルメンツ株式会社 | 駆動回路 |
JP2004184852A (ja) * | 2002-12-05 | 2004-07-02 | Olympus Corp | 表示装置、光源装置、及び照明装置 |
KR20050085921A (ko) | 2002-12-30 | 2005-08-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광 디스플레이 구동 방법 |
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-
2004
- 2004-04-30 US US10/835,672 patent/US7408527B2/en not_active Expired - Fee Related
-
2005
- 2005-04-27 JP JP2007510948A patent/JP2007535709A/ja active Pending
- 2005-04-27 WO PCT/US2005/014510 patent/WO2005111691A2/en active Application Filing
- 2005-04-27 CN CN200580021024.4A patent/CN1985523B/zh not_active Expired - Fee Related
- 2005-04-27 EP EP05741333A patent/EP1754092A2/en not_active Withdrawn
- 2005-04-29 DE DE202005006910U patent/DE202005006910U1/de not_active Expired - Lifetime
- 2005-04-30 CN CN200520011877.7U patent/CN2935207Y/zh not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1273641A (zh) * | 1998-06-05 | 2000-11-15 | 精工爱普生股份株式会社 | 光源装置和显示装置 |
US6377236B1 (en) * | 1999-07-29 | 2002-04-23 | Hewlett-Packard Company | Method of illuminating a light valve with improved light throughput and color balance correction |
CN1324187A (zh) * | 2000-05-12 | 2001-11-28 | 皇家菲利浦电子有限公司 | 投影系统和运行投影系统的方法 |
EP1395064A2 (en) * | 2002-08-07 | 2004-03-03 | Olympus Optical Co., Ltd. | Illumination apparatus and projector display apparatus |
CN2935207Y (zh) * | 2004-04-30 | 2007-08-15 | 因佛卡斯公司 | 投影装置 |
Also Published As
Publication number | Publication date |
---|---|
US7408527B2 (en) | 2008-08-05 |
CN2935207Y (zh) | 2007-08-15 |
WO2005111691A3 (en) | 2006-03-16 |
US20050243223A1 (en) | 2005-11-03 |
CN1985523A (zh) | 2007-06-20 |
DE202005006910U1 (de) | 2005-12-08 |
JP2007535709A (ja) | 2007-12-06 |
EP1754092A2 (en) | 2007-02-21 |
WO2005111691A2 (en) | 2005-11-24 |
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