JPS59230143A - Ｌｅｄ表示器の光もれ検出装置 - Google Patents

Ｌｅｄ表示器の光もれ検出装置

Info

Publication number
JPS59230143A
JPS59230143A JP9040783A JP9040783A JPS59230143A JP S59230143 A JPS59230143 A JP S59230143A JP 9040783 A JP9040783 A JP 9040783A JP 9040783 A JP9040783 A JP 9040783A JP S59230143 A JPS59230143 A JP S59230143A
Authority
JP
Japan
Prior art keywords
light
led indicator
led display
measuring means
light leakage
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.)
Granted
Application number
JP9040783A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0479409B2 (enExample
Inventor
Masaaki Sudo
須藤　公明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
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 by Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP9040783A priority Critical patent/JPS59230143A/ja
Publication of JPS59230143A publication Critical patent/JPS59230143A/ja
Publication of JPH0479409B2 publication Critical patent/JPH0479409B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP9040783A 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置 Granted JPS59230143A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9040783A JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9040783A JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Publications (2)

Publication Number Publication Date
JPS59230143A true JPS59230143A (ja) 1984-12-24
JPH0479409B2 JPH0479409B2 (enExample) 1992-12-15

Family

ID=13997727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9040783A Granted JPS59230143A (ja) 1983-05-21 1983-05-21 Ｌｅｄ表示器の光もれ検出装置

Country Status (1)

Country Link
JP (1) JPS59230143A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111289234A (zh) * 2020-03-18 2020-06-16 三门县点帆环保科技有限公司 一种汽车空调指示灯带的检测装置
CN111307432A (zh) * 2020-02-29 2020-06-19 三门县点帆环保科技有限公司 一种汽车空调上的冷暖指示灯带检测装置
KR20200137958A (ko) * 2019-05-31 2020-12-09 주식회사 아도반테스토 시험 장치, 시험 방법 및 프로그램
US11788885B2 (en) 2021-02-26 2023-10-17 Advantest Corporation Test apparatus, test method, and computer-readable storage medium
US11800619B2 (en) 2021-01-21 2023-10-24 Advantest Corporation Test apparatus, test method, and computer-readable storage medium
US12130324B2 (en) 2021-01-13 2024-10-29 Advantest Corporation Test apparatus, test method, and computer-readable storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100154U (enExample) * 1978-12-29 1980-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100154U (enExample) * 1978-12-29 1980-07-12

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200137958A (ko) * 2019-05-31 2020-12-09 주식회사 아도반테스토 시험 장치, 시험 방법 및 프로그램
US11293966B2 (en) 2019-05-31 2022-04-05 Advantest Corporation Test apparatus for determining pass or fail of LEDs, test method and computer-readable medium
CN111307432A (zh) * 2020-02-29 2020-06-19 三门县点帆环保科技有限公司 一种汽车空调上的冷暖指示灯带检测装置
CN111289234A (zh) * 2020-03-18 2020-06-16 三门县点帆环保科技有限公司 一种汽车空调指示灯带的检测装置
US12130324B2 (en) 2021-01-13 2024-10-29 Advantest Corporation Test apparatus, test method, and computer-readable storage medium
US11800619B2 (en) 2021-01-21 2023-10-24 Advantest Corporation Test apparatus, test method, and computer-readable storage medium
US11788885B2 (en) 2021-02-26 2023-10-17 Advantest Corporation Test apparatus, test method, and computer-readable storage medium

Also Published As

Publication number Publication date
JPH0479409B2 (enExample) 1992-12-15

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