JPH0432657Y2 - - Google Patents

Info

Publication number
JPH0432657Y2
JPH0432657Y2 JP1983011449U JP1144983U JPH0432657Y2 JP H0432657 Y2 JPH0432657 Y2 JP H0432657Y2 JP 1983011449 U JP1983011449 U JP 1983011449U JP 1144983 U JP1144983 U JP 1144983U JP H0432657 Y2 JPH0432657 Y2 JP H0432657Y2
Authority
JP
Japan
Prior art keywords
liquid crystal
plate
display element
viewfinder
chevron
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
Application number
JP1983011449U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59119436U (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1983011449U priority Critical patent/JPS59119436U/ja
Priority to US06/575,375 priority patent/US4560264A/en
Publication of JPS59119436U publication Critical patent/JPS59119436U/ja
Application granted granted Critical
Publication of JPH0432657Y2 publication Critical patent/JPH0432657Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133391—Constructional arrangement for sub-divided displays
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Liquid Crystal (AREA)
JP1983011449U 1983-01-29 1983-01-29 カメラのフアインダ内情報表示装置 Granted JPS59119436U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983011449U JPS59119436U (ja) 1983-01-29 1983-01-29 カメラのフアインダ内情報表示装置
US06/575,375 US4560264A (en) 1983-01-29 1984-01-30 Device for displaying data in camera viewfinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983011449U JPS59119436U (ja) 1983-01-29 1983-01-29 カメラのフアインダ内情報表示装置

Publications (2)

Publication Number Publication Date
JPS59119436U JPS59119436U (ja) 1984-08-11
JPH0432657Y2 true JPH0432657Y2 (en]) 1992-08-06

Family

ID=11778400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983011449U Granted JPS59119436U (ja) 1983-01-29 1983-01-29 カメラのフアインダ内情報表示装置

Country Status (2)

Country Link
US (1) US4560264A (en])
JP (1) JPS59119436U (en])

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711547A (en) * 1984-11-28 1987-12-08 Canon Kabushiki Kaisha Display device
US5299037A (en) * 1985-08-07 1994-03-29 Canon Kabushiki Kaisha Diffraction grating type liquid crystal display device in viewfinder
JP2559579B2 (ja) * 1986-09-03 1996-12-04 大日本印刷株式会社 面光源
JPS63153238U (en]) * 1987-03-26 1988-10-07
JPH0538341Y2 (en]) * 1987-12-25 1993-09-28
JPH03107821A (ja) * 1989-09-21 1991-05-08 Nippon Steel Corp 液晶ディスプレイ装置
US5132825A (en) * 1989-10-18 1992-07-21 Asahi Kogaku Kogyo Kabushiki Kaisha Image processing apparatus having control means for adjusting the color temperature of the displayed image
US5121232A (en) * 1989-10-18 1992-06-09 Asahi Kogaku Kogyo Kabushiki Kaisha Displaying device having two separate light receiving portions for receiving the external light and the light emitted by a light source
US5965327A (en) 1991-12-03 1999-10-12 Asahi Kogaku Kogyo Kaisha Method for manufacturing a master die for a diffusion plate and diffusion manufactured by said method
US5733710A (en) * 1991-12-03 1998-03-31 Asahi Kogaku Kogyo Kabushiki Kaisha Method for manufacturing a master die for a diffusion plate and diffusion plate manufactured by said method
JP3231820B2 (ja) * 1991-12-17 2001-11-26 ソニー株式会社 液晶表示装置
US5420657A (en) * 1993-01-18 1995-05-30 Asahi Kogaku Kogyo Kabushiki Kaisha Viewfinder of a camera having projected indicator marks
JP3345480B2 (ja) * 1993-08-26 2002-11-18 富士写真光機株式会社 二次拡散面光源を備えた採光式ブライトフレームファインダ
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
CN1051379C (zh) * 1993-10-05 2000-04-12 梯尔技术公司 用于背照明的光源
US5440197A (en) 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
JPH07159862A (ja) * 1993-12-02 1995-06-23 Nikon Corp カメラのファインダー
JPH07177398A (ja) * 1993-12-20 1995-07-14 Sony Corp ビデオカメラのビューファインダ装置
JPH07181583A (ja) * 1993-12-24 1995-07-21 Asahi Optical Co Ltd 一眼レフカメラのファインダ内表示装置
JP3256625B2 (ja) * 1994-05-18 2002-02-12 三菱電機株式会社 液晶表示装置
JPH08166634A (ja) * 1994-12-13 1996-06-25 Canon Inc 表示装置及びスーパーインポーズ表示装置
US6002887A (en) * 1995-03-13 1999-12-14 Asahi Kogaku Kogyo Kabushiki Kaisha View finder
JP3676524B2 (ja) * 1996-10-25 2005-07-27 ペンタックス株式会社 プリズム
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
JPH10246906A (ja) * 1997-03-05 1998-09-14 Asahi Optical Co Ltd 実像式ファインダ
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
JPH11194339A (ja) * 1998-01-07 1999-07-21 Seiko Epson Corp 液晶装置及び電子機器
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
US20020109664A1 (en) * 1999-02-19 2002-08-15 Masaki Shimada Display apparatus and an image processing apparatus
CN1642745A (zh) * 2002-03-19 2005-07-20 西铁城时计株式会社 光打印头
JP2004219908A (ja) * 2003-01-17 2004-08-05 Pentax Corp ファインダの投光装置
JP3920781B2 (ja) 2003-01-17 2007-05-30 ペンタックス株式会社 ファインダの投光装置
US7046925B2 (en) 2003-01-17 2006-05-16 Pentax Corporation Superimpose-plate for view finder
CN110764309B (zh) * 2019-10-31 2022-07-15 深圳市德仓科技有限公司 背光模组、显示屏及终端

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554817Y2 (en]) * 1974-09-30 1980-02-05
US4043636A (en) * 1974-12-23 1977-08-23 Intel Corporation Illumination-panel for liquid crystal display of similar device
US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
US3994564A (en) * 1975-03-31 1976-11-30 Hughes Aircraft Company Light pipe reflector for use in liquid crystal or other display
JPS554066A (en) * 1978-06-26 1980-01-12 Suwa Seikosha Kk Reflector for liquid crystal display unit
US4229783A (en) * 1979-03-12 1980-10-21 Timex Corporation Backlight for electrooptic display
US4285029A (en) * 1979-04-18 1981-08-18 American Atomics Corporation Self-luminous lighting system
JPS57148127U (en]) * 1981-03-13 1982-09-17
US4465355A (en) * 1981-10-09 1984-08-14 Canon Kabushiki Kaisha Single-lens reflex camera

Also Published As

Publication number Publication date
US4560264A (en) 1985-12-24
JPS59119436U (ja) 1984-08-11

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