KR100900521B1 - 구역별 광센서가 구비된 발광판 - Google Patents
구역별 광센서가 구비된 발광판 Download PDFInfo
- Publication number
- KR100900521B1 KR100900521B1 KR1020080055417A KR20080055417A KR100900521B1 KR 100900521 B1 KR100900521 B1 KR 100900521B1 KR 1020080055417 A KR1020080055417 A KR 1020080055417A KR 20080055417 A KR20080055417 A KR 20080055417A KR 100900521 B1 KR100900521 B1 KR 100900521B1
- Authority
- KR
- South Korea
- Prior art keywords
- light emitting
- light
- optical sensor
- unit
- area
- 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
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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- 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
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (4)
- PCB 기판(10)과;상기 PCB 기판 상에 일정간격으로 나란히 설치되며, 전기적으로 서로 분리된 여러 구역(D1)을 형성하는 복수개의 발광소자(20)와;상기 발광소자(20)가 형성하는 각 구역(D1) 마다 하나씩 설치되어 해당구역(D1) 내에 속하는 발광소자(20)들을 동시에 제어하며, 발광부(32)와 수광부(34)로 이루어지는 광센서(30)와;상기 광센서(30)의 특성에 따라 전압을 조절하여 광센서(30)의 감지구간(R1)을 설정하는 전압조절부(40)와;상기 광센서(30) 중 어느 하나의 감지구간(R1) 내로 반사체가 진입하면, 해당 광센서(30)의 구역(D1) 내에 속하는 발광소자(20)들을 동시에 점등시키고, 반사체가 상기 감지구간(R1)을 벗어나면, 상기 발광소자(20)들을 동시에 소등시키는 마이컴(70); 으로 구성된 것을 특징으로 하는 구역별 광센서가 구비된 발광판.
- 제1항에 있어서,상기 발광부(32)의 발사각도(θ1)와 수광부(34)의 입사각도(θ2)는 각각 8 내지 50도이며, 발광부(32)와 수광부(34)의 이격된 거리(R2)는 4 ~ 7 mm 인 것을 특징으로 하는 구역별 광센서가 구비된 발광판.
- 제1항 또는 제2항에 있어서,상기 발광소자(20)는 발광다이오드(LED)나 전계발광소자(EL) 인 것을 특징으로 하는 발광판.
- 제1항 또는 제2항에 있어서,상기 PCB기판(10) 위에는 상기 광센서(30)의 최소감지거리(H1)내에 투명 또는 반투명 재질의 보호판(40)이 더 포함된 것을 특징으로 하는 발광판.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080055417A KR100900521B1 (ko) | 2008-06-12 | 2008-06-12 | 구역별 광센서가 구비된 발광판 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080055417A KR100900521B1 (ko) | 2008-06-12 | 2008-06-12 | 구역별 광센서가 구비된 발광판 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100900521B1 true KR100900521B1 (ko) | 2009-06-02 |
Family
ID=40982158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080055417A Expired - Fee Related KR100900521B1 (ko) | 2008-06-12 | 2008-06-12 | 구역별 광센서가 구비된 발광판 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100900521B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11260572A (ja) | 1998-03-13 | 1999-09-24 | Omron Corp | 照明装置 |
KR20000051402A (ko) * | 1999-01-22 | 2000-08-16 | 전제환 | 적외선 반사광을 이용한 자동조명장치 |
KR20040054480A (ko) * | 2002-12-18 | 2004-06-25 | 어드밴스트 디스플레이 인코포레이티드 | 면상 광원장치, 액정표시장치 및 표시장치 |
KR20060068089A (ko) * | 2004-12-15 | 2006-06-21 | 엘지전자 주식회사 | 이동통신단말기의 디스플레이 백라이트 피드백 제어방법 |
-
2008
- 2008-06-12 KR KR1020080055417A patent/KR100900521B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11260572A (ja) | 1998-03-13 | 1999-09-24 | Omron Corp | 照明装置 |
KR20000051402A (ko) * | 1999-01-22 | 2000-08-16 | 전제환 | 적외선 반사광을 이용한 자동조명장치 |
KR20040054480A (ko) * | 2002-12-18 | 2004-06-25 | 어드밴스트 디스플레이 인코포레이티드 | 면상 광원장치, 액정표시장치 및 표시장치 |
KR20060068089A (ko) * | 2004-12-15 | 2006-06-21 | 엘지전자 주식회사 | 이동통신단말기의 디스플레이 백라이트 피드백 제어방법 |
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