DE69928365D1 - Graustufensteuerung für ein Anzeigesystem - Google Patents
Graustufensteuerung für ein AnzeigesystemInfo
- Publication number
- DE69928365D1 DE69928365D1 DE69928365T DE69928365T DE69928365D1 DE 69928365 D1 DE69928365 D1 DE 69928365D1 DE 69928365 T DE69928365 T DE 69928365T DE 69928365 T DE69928365 T DE 69928365T DE 69928365 D1 DE69928365 D1 DE 69928365D1
- Authority
- DE
- Germany
- Prior art keywords
- display system
- grayscale control
- grayscale
- control
- display
- 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 - Lifetime
Links
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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
- G09G3/2033—Display of intermediate tones by time modulation using two or more time intervals using sub-frames with splitting one or more sub-frames corresponding to the most significant bits into two or more sub-frames
-
- 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
-
- 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
-
- 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]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/312—Driving therefor
- H04N9/3123—Driving therefor using pulse width modulation
-
- 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
- H04N9/3155—Modulator illumination systems for controlling the light source
-
- 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
- G09G2320/0266—Reduction of sub-frame artefacts
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display 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
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
-
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
-
- 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
- G09G3/3433—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/346—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on modulation of the reflection angle, e.g. micromirrors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Projection Apparatus (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11404498P | 1998-12-28 | 1998-12-28 | |
US114044 | 1998-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69928365D1 true DE69928365D1 (de) | 2005-12-22 |
DE69928365T2 DE69928365T2 (de) | 2006-07-13 |
Family
ID=22353069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69928365T Expired - Lifetime DE69928365T2 (de) | 1998-12-28 | 1999-12-24 | Graustufensteuerung für ein Anzeigesystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US6285491B1 (de) |
EP (1) | EP1018723B1 (de) |
JP (1) | JP2000193914A (de) |
DE (1) | DE69928365T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2485162A1 (en) * | 2002-05-06 | 2003-11-13 | Uni-Pixel Displays, Inc. | Uni-pixel displays, inc. |
US7359026B2 (en) * | 2002-05-13 | 2008-04-15 | Paul Bullwinkel | Liquid crystal display projector |
US7172295B2 (en) * | 2004-05-10 | 2007-02-06 | Infocus Corporation | LED control system with feedback |
JP2008539542A (ja) * | 2005-04-28 | 2008-11-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 投影システム、及び投影システムを動作させる方法 |
US7410262B2 (en) * | 2005-08-02 | 2008-08-12 | Tte Technology, Inc. | System and method for compensating for spoke light |
US7976172B2 (en) * | 2006-03-17 | 2011-07-12 | Casio Computer Co., Ltd. | Projection apparatus, projection method, and computer program |
JP5532683B2 (ja) * | 2009-05-29 | 2014-06-25 | 日本精機株式会社 | 液晶表示装置 |
US20130002715A1 (en) * | 2011-06-28 | 2013-01-03 | Tidman James M | Image Sequence Reconstruction based on Overlapping Measurement Subsets |
JP2013182142A (ja) * | 2012-03-02 | 2013-09-12 | Mitsubishi Electric Corp | マルチ画面表示装置 |
US10237523B2 (en) | 2013-05-07 | 2019-03-19 | Dolby Laboratories Licensing Corporation | Digital point spread function (DPSF) and dual modulation projection (including lasers) using DPSF |
CN104424874A (zh) * | 2013-08-19 | 2015-03-18 | 珠海格力电器股份有限公司 | 家用电器控制装置、家用电器及其显示控制方法 |
JP7011165B2 (ja) * | 2018-03-22 | 2022-01-26 | ミツミ電機株式会社 | アクチュエータ及び光走査装置 |
CN113744354B (zh) * | 2021-11-05 | 2022-02-22 | 苏州浪潮智能科技有限公司 | 一种基于灰度值调节亮度的方法、装置、设备及可读介质 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197559A (en) * | 1978-10-12 | 1980-04-08 | Gramling Wiliam D | Color television display system |
GB2251511A (en) * | 1991-01-04 | 1992-07-08 | Rank Brimar Ltd | Display device. |
CA2063744C (en) | 1991-04-01 | 2002-10-08 | Paul M. Urbanus | Digital micromirror device architecture and timing for use in a pulse-width modulated display system |
GB9223114D0 (en) * | 1992-11-04 | 1992-12-16 | Rank Brimar Ltd | Display system |
US5365283A (en) * | 1993-07-19 | 1994-11-15 | Texas Instruments Incorporated | Color phase control for projection display using spatial light modulator |
US6362835B1 (en) * | 1993-11-23 | 2002-03-26 | Texas Instruments Incorporated | Brightness and contrast control for a digital pulse-width modulated display system |
US5583688A (en) | 1993-12-21 | 1996-12-10 | Texas Instruments Incorporated | Multi-level digital micromirror device |
US5706061A (en) * | 1995-03-31 | 1998-01-06 | Texas Instruments Incorporated | Spatial light image display system with synchronized and modulated light source |
JP3889460B2 (ja) * | 1995-06-13 | 2007-03-07 | テキサス インスツルメンツ インコーポレイテツド | ビデオ表示装置の表示フレーム周期制御システム並びに装置 |
CA2184129A1 (en) * | 1995-08-31 | 1997-03-01 | Donald B. Doherty | Bit-splitting for pulse width modulated spatial light modulator |
US6201521B1 (en) * | 1995-09-29 | 2001-03-13 | Texas Instruments Incorporated | Divided reset for addressing spatial light modulator |
-
1999
- 1999-12-21 US US09/467,816 patent/US6285491B1/en not_active Expired - Lifetime
- 1999-12-24 JP JP11368115A patent/JP2000193914A/ja not_active Abandoned
- 1999-12-24 EP EP99204582A patent/EP1018723B1/de not_active Expired - Lifetime
- 1999-12-24 DE DE69928365T patent/DE69928365T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1018723A2 (de) | 2000-07-12 |
DE69928365T2 (de) | 2006-07-13 |
JP2000193914A (ja) | 2000-07-14 |
US6285491B1 (en) | 2001-09-04 |
EP1018723A3 (de) | 2002-03-20 |
EP1018723B1 (de) | 2005-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |