TW200725556A - Light-emitting device, driving circuit, driving method, electronic apparatus, and image forming apparatus - Google Patents
Light-emitting device, driving circuit, driving method, electronic apparatus, and image forming apparatusInfo
- Publication number
- TW200725556A TW200725556A TW095136733A TW95136733A TW200725556A TW 200725556 A TW200725556 A TW 200725556A TW 095136733 A TW095136733 A TW 095136733A TW 95136733 A TW95136733 A TW 95136733A TW 200725556 A TW200725556 A TW 200725556A
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- gray
- scale data
- scale
- emitting device
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- 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
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
-
- 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
- G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
-
- 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
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electroluminescent Light Sources (AREA)
- Facsimile Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005328487A JP4341612B2 (ja) | 2005-11-14 | 2005-11-14 | 発光装置、駆動回路、駆動方法、電子機器および画像形成装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200725556A true TW200725556A (en) | 2007-07-01 |
Family
ID=38040266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095136733A TW200725556A (en) | 2005-11-14 | 2006-10-03 | Light-emitting device, driving circuit, driving method, electronic apparatus, and image forming apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US7944459B2 (zh) |
JP (1) | JP4341612B2 (zh) |
KR (1) | KR100848076B1 (zh) |
CN (1) | CN1967402A (zh) |
TW (1) | TW200725556A (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5130804B2 (ja) * | 2006-10-02 | 2013-01-30 | セイコーエプソン株式会社 | 発光装置および画像形成装置 |
KR101275817B1 (ko) * | 2011-06-07 | 2013-06-18 | 주식회사 현주인테크 | 광 펄스 발생장치 및 방법 |
JP2013226746A (ja) * | 2012-04-26 | 2013-11-07 | Canon Inc | 光走査装置、その制御方法及び制御プログラム並びに画像形成装置 |
JP6471399B2 (ja) * | 2015-04-14 | 2019-02-20 | コニカミノルタ株式会社 | 光書き込み装置及び画像形成装置 |
JP2020001240A (ja) * | 2018-06-27 | 2020-01-09 | キヤノン株式会社 | 画像形成装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03120059A (ja) | 1989-10-03 | 1991-05-22 | Ricoh Co Ltd | 光プリンタ |
US5999150A (en) * | 1996-04-17 | 1999-12-07 | Northrop Grumman Corporation | Electroluminescent display having reversible voltage polarity |
JP3726945B2 (ja) | 1999-08-02 | 2005-12-14 | ノーリツ鋼機株式会社 | 蛍光ビーム式露光装置 |
JP2001284044A (ja) * | 2000-03-30 | 2001-10-12 | Nippon Seiki Co Ltd | 有機エレクトロルミネセンス素子の駆動回路 |
JP2002361924A (ja) | 2001-06-07 | 2002-12-18 | Canon Inc | 露光装置、画像形成装置および露光装置の光量調整方法 |
JP2003334990A (ja) | 2002-05-23 | 2003-11-25 | Matsushita Electric Ind Co Ltd | 露光ヘッドの制御方法および露光ヘッドを塔載した電子写真装置 |
JP2003341124A (ja) | 2002-05-24 | 2003-12-03 | Noritsu Koki Co Ltd | 露光装置 |
-
2005
- 2005-11-14 JP JP2005328487A patent/JP4341612B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-07 US US11/470,920 patent/US7944459B2/en active Active
- 2006-10-03 TW TW095136733A patent/TW200725556A/zh unknown
- 2006-11-13 KR KR1020060111569A patent/KR100848076B1/ko active IP Right Grant
- 2006-11-14 CN CNA2006101464418A patent/CN1967402A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20070109231A1 (en) | 2007-05-17 |
US7944459B2 (en) | 2011-05-17 |
KR100848076B1 (ko) | 2008-07-24 |
JP4341612B2 (ja) | 2009-10-07 |
KR20070051700A (ko) | 2007-05-18 |
CN1967402A (zh) | 2007-05-23 |
JP2007130963A (ja) | 2007-05-31 |
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