KR100754683B1 - 레이저 프로젝터 - Google Patents
레이저 프로젝터 Download PDFInfo
- Publication number
- KR100754683B1 KR100754683B1 KR1020060039505A KR20060039505A KR100754683B1 KR 100754683 B1 KR100754683 B1 KR 100754683B1 KR 1020060039505 A KR1020060039505 A KR 1020060039505A KR 20060039505 A KR20060039505 A KR 20060039505A KR 100754683 B1 KR100754683 B1 KR 100754683B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- reflection mirror
- mirror
- reflecting
- laser projector
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/12—Scanning systems using multifaceted mirrors
- G02B26/121—Mechanical drive devices for polygonal mirrors
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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
- G09G3/34—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
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- 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
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- 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
- H04N9/3117—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 two or more colours simultaneously, e.g. by creating scrolling colour bands
-
- 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]
- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- 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
- H04N9/3161—Modulator illumination systems using laser light sources
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (8)
- 삭제
- 삭제
- 레이저 프로젝터에 있어서,녹색 광을 생성하기 위한 광 모듈과;적색 및 청색 광을 생성하기 위한 레이저 광원들과;상기 녹색 광의 출사 방향에 대해서 수직한 방향으로 반사시키기 위한 제1 반사 미러와;상기 제1 반사 미러에서 반사된 녹색 광을 상기 제1 반사 미러로부터 진행 경로에 대해서 수직한 방향으로 반사시키기 위한 제2 반사 미러와;상기 제2 반사 미러에서 반사된 녹색 광을 투과시키고 상기 각 레이저 광원에서 출사된 적색 및 청색 광을 출사 방향에 대해서 수직방향으로 반사시키는 제1 및 제2 밴드 패스 필터와;상기 제1 및 제2 밴드 패스 필터로부터 입사된 상기 녹색, 적색 및 청색 광을 진행 경로에 대해서 수직한 방향으로 반사시키기 위한 제3 반사 미러와;상기 제3 반사 미러로부터 입사된 상기 광들을 공간 변조시키기 위한 공간 광 변조기와;상기 공간 광 변조기에서 공간 변조된 광들을 상기 레이저 프로젝터의 외부로 투영시키기 위한 스캔 미러를 포함함을 특징으로 하는 레이저 프로젝터.
- 제3 항에 있어서, 상기 레이저 프로젝터는,상기 제1 반사 미러와 상기 제2 반사 미러의 사이에 위치된 확산 렌즈와;상기 제2 반사 미러와 상기 제1 밴드 패스 필터의 사이에 위치된 시준화 렌즈와;상기 스캔 미러와 상기 공간 광 변조기의 사이에 위치된 조사 광학계와;상기 녹색 광 중에서 상기 제2 반사 미러에서 투과된 일부를 검출해서 상기 광 모듈에서 생성된 녹색 광의 세기를 감시하기 위한 광 검출기를 더 포함함을 특징으로 하는 레이저 프로젝터.
- 제4 항에 있어서,상기 광 검출기는 포토 다이오드를 포함함을 특징으로 하는 레이저 프로젝터.
- 제3 항에 있어서,상기 스캔 미러는 회전 가능한 다각형 미러가 사용됨을 특징으로 하는 레이저 프로젝터.
- 제4 항에 있어서, 상기 조사 광학계는,상기 제3 반사 미러에서 반사된 광들을 y축 방향에 대해서 시준화시키기 위한 확산렌즈 및 시준화 렌즈와;상기 제3 반사 미러로부터 입사된 광들을, x축 방향으로 수렴시키기 위한 수렴 렌즈들을 포함함을 특징으로 하는 레이저 프로젝터.
- 제3 항에 있어서, 상기 레이저 프로젝터는,상기 스캔 미러와 상기 공간 광 변조기의 사이에 위치된 조리개를 더 포함함을 특징으로 하는 레이저 프로젝터.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060039505A KR100754683B1 (ko) | 2006-05-02 | 2006-05-02 | 레이저 프로젝터 |
US11/584,727 US20070258050A1 (en) | 2006-05-02 | 2006-10-20 | Laser projector |
CNA2007100788876A CN101067683A (zh) | 2006-05-02 | 2007-02-16 | 激光投影机 |
EP07106713A EP1853070A1 (en) | 2006-05-02 | 2007-04-23 | Laser projector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060039505A KR100754683B1 (ko) | 2006-05-02 | 2006-05-02 | 레이저 프로젝터 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100754683B1 true KR100754683B1 (ko) | 2007-09-03 |
Family
ID=38268615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060039505A KR100754683B1 (ko) | 2006-05-02 | 2006-05-02 | 레이저 프로젝터 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070258050A1 (ko) |
EP (1) | EP1853070A1 (ko) |
KR (1) | KR100754683B1 (ko) |
CN (1) | CN101067683A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015065799A1 (en) * | 2013-10-31 | 2015-05-07 | Microvision, Inc. | Scanning laser proximity detection |
KR20150116688A (ko) | 2014-04-08 | 2015-10-16 | 주식회사 크레모텍 | 휴대형 소형 레이저 프로젝터 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20080110341A (ko) * | 2007-06-15 | 2008-12-18 | 삼성전자주식회사 | 마이크로 스캐너 및 이를 이용한 영상투사장치 |
TW201418662A (zh) * | 2012-11-15 | 2014-05-16 | Nat Applied Res Laboratories | 遠距離量測裂縫之方法及其裝置 |
CN110967910A (zh) * | 2019-12-30 | 2020-04-07 | 河南宏昌科技有限公司 | 一种具有双向激发色轮的激光光源*** |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749259A (en) | 1987-05-15 | 1988-06-07 | Hughes Aircraft Company | Liquid crystal image projection with multicolor prepolarizing system |
JPH11344767A (ja) | 1991-02-22 | 1999-12-14 | Seiko Epson Corp | プロジェクタ |
KR20000053562A (ko) * | 1999-01-21 | 2000-08-25 | 가나이 쓰토무 | 광학적 투사 장치, 투과형 스크린, 및 투사형 화상 표시장치 |
JP2004312347A (ja) | 2003-04-07 | 2004-11-04 | Seiko Epson Corp | プロジェクタ |
KR20050010545A (ko) * | 2003-07-21 | 2005-01-28 | 엘지전자 주식회사 | 프로젝션 시스템 |
JP2005250386A (ja) | 2004-03-08 | 2005-09-15 | Seiko Epson Corp | プロジェクタ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0211596A3 (en) * | 1985-08-07 | 1988-08-31 | STREET, Graham Stewart Brandon | Apparatus for the display of high definition images |
DE4324849C2 (de) * | 1993-07-23 | 1995-07-13 | Schneider Rundfunkwerke Ag | Videosystem zum Erzeugen eines Farbvideobilds auf einem Schirm |
US6183092B1 (en) * | 1998-05-01 | 2001-02-06 | Diane Troyer | Laser projection apparatus with liquid-crystal light valves and scanning reading beam |
US6411425B1 (en) * | 2000-09-27 | 2002-06-25 | Eastman Kodak Company | Electromechanical grating display system with spatially separated light beams |
US6594090B2 (en) * | 2001-08-27 | 2003-07-15 | Eastman Kodak Company | Laser projection display system |
KR100459899B1 (ko) * | 2002-03-12 | 2004-12-04 | 삼성전자주식회사 | 다중채널음향 광 변조기를 구비하는 레이저 영상투사장치및 그 구동방법과 구동회로 |
US6648475B1 (en) * | 2002-05-20 | 2003-11-18 | Eastman Kodak Company | Method and apparatus for increasing color gamut of a display |
US7006274B1 (en) * | 2004-12-07 | 2006-02-28 | Symbol Technologies, Inc. | Compact acousto-optical modulator |
KR100800709B1 (ko) * | 2005-10-10 | 2008-02-01 | 삼성전자주식회사 | 영상 스캔 장치 |
-
2006
- 2006-05-02 KR KR1020060039505A patent/KR100754683B1/ko active IP Right Grant
- 2006-10-20 US US11/584,727 patent/US20070258050A1/en not_active Abandoned
-
2007
- 2007-02-16 CN CNA2007100788876A patent/CN101067683A/zh active Pending
- 2007-04-23 EP EP07106713A patent/EP1853070A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749259A (en) | 1987-05-15 | 1988-06-07 | Hughes Aircraft Company | Liquid crystal image projection with multicolor prepolarizing system |
JPH11344767A (ja) | 1991-02-22 | 1999-12-14 | Seiko Epson Corp | プロジェクタ |
KR20000053562A (ko) * | 1999-01-21 | 2000-08-25 | 가나이 쓰토무 | 광학적 투사 장치, 투과형 스크린, 및 투사형 화상 표시장치 |
JP2004312347A (ja) | 2003-04-07 | 2004-11-04 | Seiko Epson Corp | プロジェクタ |
KR20050010545A (ko) * | 2003-07-21 | 2005-01-28 | 엘지전자 주식회사 | 프로젝션 시스템 |
JP2005250386A (ja) | 2004-03-08 | 2005-09-15 | Seiko Epson Corp | プロジェクタ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015065799A1 (en) * | 2013-10-31 | 2015-05-07 | Microvision, Inc. | Scanning laser proximity detection |
US9140971B2 (en) | 2013-10-31 | 2015-09-22 | Microvision, Inc. | Scanning laser proximity detection |
KR20150116688A (ko) | 2014-04-08 | 2015-10-16 | 주식회사 크레모텍 | 휴대형 소형 레이저 프로젝터 |
Also Published As
Publication number | Publication date |
---|---|
US20070258050A1 (en) | 2007-11-08 |
EP1853070A1 (en) | 2007-11-07 |
CN101067683A (zh) | 2007-11-07 |
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