KR101600077B1 - 가시 스펙트럼의 청색 광 및 보라색 광에 의해서 초래된 눈 손상의 변이를 탐지하고 계량화하는 디바이스 및 방법 - Google Patents
가시 스펙트럼의 청색 광 및 보라색 광에 의해서 초래된 눈 손상의 변이를 탐지하고 계량화하는 디바이스 및 방법 Download PDFInfo
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- KR101600077B1 KR101600077B1 KR1020157019807A KR20157019807A KR101600077B1 KR 101600077 B1 KR101600077 B1 KR 101600077B1 KR 1020157019807 A KR1020157019807 A KR 1020157019807A KR 20157019807 A KR20157019807 A KR 20157019807A KR 101600077 B1 KR101600077 B1 KR 101600077B1
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/08—Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal
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Abstract
Description
도 1은 가시 스펙트럼 상의 청색광을 탐지하고 계량화하기 위한 상기 방법을 구현하는 휴대용 전자 디바이스 (100) 및 컴퓨터 시스템 (200)을 개략적으로 보여준다.
도 2는 25세 (도 2a), 45세 (도 2b) 및 76세 (도 2c)의 상이한 나이의 사람들의 세 가지 예들에 대해 본 발명의 단파장 차단 요소의 선택적 흡광도를 보여준다.
도 3은 본 발명에 의해서 설명된 예들을 위해 사용된 LED-유형 광 소스의 모습을 보여준다. A. 사용된 단파장 차단 요소를 구비하지 않은 그리고 구비한 조명 디바이스의 개략적인 모습. B. 사용된 LED들 각각의 스펙트럼 방출 커브들. C. 세포들이 뿌려졌던 곳인 웰 (well) 플레이트의 설계.
도 4는 LED 광 효과 및 셀 생존력에 관하여 단파장들을 선택적으로 흡수하는 차단 요소의 광보호 (photoprotective) 효과에 관한 그래프를 보여주며, 이것은 사람 망막 색소 상피 세포들에서의 세포 생존을 나타낸다.
도 5는 LED 광 효과 및 인간 히스톤 (histone) H2AX의 활성에 관하여 단파장들을 선택적으로 흡수하는 차단 요소의 광보호 효과에 관한 그래프를 보여주며, 이는 사람 망막 색소 상피 세포들에서의 DNA 손상을 나타낸다.
도 6은 LED 광 효과 및 카스파제 (caspase)-3, -7의 활성화에 관하여 단파장들을 선택적으로 흡수하는 차단 요소의 광보호 효과에 관한 그래프를 보여주며, 이것은 사람 망막 색소 상피 세포들에서의 세포자살 (apoptosis)을 나타낸다.
요소 | 정도 | 최대 한계 (%) | 최소 한계 (%) |
나이 (세) |
0-10 | 10 | 2 |
10-20 | 8 | 2 | |
20-40 | 5 | 2 | |
40-60 | 7 | 4 | |
60-75 | 10 | 8 | |
>75 | 12 | 8 | |
사용된 디바이스 유형 (작업 거리) |
스마트폰 (25-40 cm) | 2 | 1 |
테블릿 (25-40 cm) | 3 | 1 | |
컴퓨터 스크린 (41-70 cm) | 4 | 2 | |
텔레비전 스크린 (>70 cm) | 4 | 2 | |
전체 노출 시간 (hours) |
<3 | 2 | 1 |
3-5 | 3 | 2 | |
5-8 | 4 | 3 | |
8-10 | 5 | 3 | |
>10 | 5 | 3 | |
디바이스 사용 동안 최저 주변 조명 상태 (cd/m2) |
주간시 (Photopic) (>5) | 2 | 1 |
박명시 (Mesopic) (0.005-5) |
5 | 2 | |
암소시 (Scotopic) (<0.005) | 10 | 4 | |
질병 상태 | 망막 질병 상태 | ||
가벼운 단계 | 50 | 30 | |
중간 단계 | 60 | 40 | |
심각한 단계 | 70 | 50 | |
각막 질병 상태 | |||
가벼운 단계 | 20 | 10 | |
중간 단계 | 30 | 20 | |
심각한 단계 | 40 | 30 | |
눈꺼풀 질병 상태 | 5 | 2 | |
결막 질병 상태 | 5 | 2 | |
공말 질병 상태 | 5 | 2 | |
녹내장 | 20 | 10 | |
인공수정체/무수정체 | 30 | 10 |
세포 생존력 | 제어 | 백색 LED (T °= 5400 °K) | 청색 LED (468 nm) | 녹색 LED (525 nm) | 적색 LED (616 nm) |
차단 요소 없음 (FU) | 855 ± 403 | 217 ± 108 | 10 ± 2 | 99 ± 114 | 339 ± 1 |
차단 요소 있음 (FU) | 1156 ± 156 | 346 ± 71 | 358 ± 20 | 188 ± 43 | 420 ± 69 |
p-value | 0.212 | 0.047* | 0.000* | 0.102 | 0.096 |
중가 (%) | -- | 59 | 3480 | -- | -- |
H2AX 활성화 | 제어 | 백색 LED (T ° = 5400 °K) | 청색 LED (468 nm) | 녹색 LED (525 nm) | 적색 LED (616 nm) |
차단 요소 없음 (FU) | 131 ± 41 | 2697 ± 493 | 2537 ± 589 | 2258 ± 738 | 1920 ± 286 |
차단 요소 있음 (FU) | 47 ± 1 | 83 ± 20 | 76 ± 7 | 63 ± 10 | 91 ± 15 |
p-value | 0.024* | 0.000* | 0.002* | 0.001* | 0.000* |
감소 (%) | -- | 97% | 97% | 97% | 95% |
카스파제 활성화 | 제어 | 백색 LED (T ° = 5400 °K) | 청색 LED (468 nm) | 녹색 LED (525 nm) | 적색 LED (616 nm) |
차단 요소 없음 (FU) | 0.037 ± 0.02 | 0.888 ± 0.02 | 0.861 ± 0.03 | 0.839 ± 0.05 | 0.655 ± 0.07 |
차단 요소 있음 (FU) | 0.114 ± 0.15 | 0.094 ± 0.03 | 0.094 ± 0.05 | 0.386 ± 0.48 | 0.155 ± 0.08 |
p-value | 0.541 | 0.000* | 0.000* | 0.312 | 0.006* |
축소 (%) | -- | 89% | 89% | 54% | 76% |
Claims (18)
- 가시 스펙트럼의 청색 광 및 보라색 광에 의해서 초래된 눈 손상의 변이를 탐지하고 계량화하는 방법으로서:
개인의 시각 시스템 상의 입사 방사 (incident radiation)를 탐지하는 단계;
상기 입사 방사를 380 nm 및 500 nm 사이의 범위 내에서 계산하는 단계;
상기 입사 방사의 적어도 하나의 문턱 (threshold)을 상기 범위 내에서 확립하는 단계;
상기 범위에 대해서 확립된 적어도 하나의 문턱이 초과되었는가를 탐지하는 단계;
적어도 하나의 문턱의 초과를 경고하는 단계;
입사 방사에 대한 노출 시간을 측정하는 단계; 및
개인의 상이한 눈 구조들에서 입사 방사의 영향을 추론하고 그리고 그런 영향을 경고하는 단계를 포함하는, 방법. - 제1항에 있어서,
입사 방사의 방출 (emission) 소스와 상호작용 (interaction)하는 단계를 포함하는, 방법. - 제1항에 있어서,
상기 문턱들은 크기 조절되는, 방법. - 제1항 내지 제3항 중 어느 한 항에 있어서,
사용자의 위치를 확립하고 그리고 상기 입사 방사를 계산함에 있어서 교정 계수를 적용하는 단계를 포함하는, 방법. - 제1항 내지 제3항 중 어느 한 항에 있어서,
적어도 두 디바이스들 사이에서 사용자에 관련한 방출들의 데이터를 교환하는 단계를 포함하는, 방법. - 제1항 내지 제3항 중 어느 한 항에 있어서,
문턱이 초과될 때에 방출 소스를 턴 오프하는 단계를 포함하는, 방법. - 가시 스펙트럼 상 청색 광을 탐지하고 계량화하기 위한 휴대용 전자 디바이스 (100)로서:
상기 가시 스펙트럼의 범위 내의 광 탐지기 (101);
상기 탐지기 (101)에 연결된 신호 컨디셔닝 회로 (102);
아날로그-디지털 컨버터 (103);
프로세서 (104); 그리고
상기 프로세서 (104)의 메모리 내에 저장되며 그리고 상기 프로세서 (104)에 의해서 실행되도록 구성된 프로그램을 포함하며,
상기 프로그램은:
개인 시각 시스템 상의 입사 방사를 탐지하고;
상기 입사 방사를 380 nm 및 500 nm 사이의 범위 내에서 계산하고;
상기 입사 방사의 적어도 하나의 문턱을 상기 범위 내에서 확립하고;
상기 범위에 대해서 확립된 적어도 하나의 문턱이 초과되었는가를 탐지하고;
적어도 하나의 문턱의 초과를 경고하며;
입사 방사에 대한 노출 시간을 측정하고; 그리고
개인의 상이한 눈 구조들에서 입사 방사의 영향을 추론하고 그리고 그런 영향을 경고하기 위한,
명령어들을 포함하는, 휴대용 전자 디바이스. - 제7항에 있어서,
사용자 디바이스에 연결된 블루투스 전송기 (105)를 포함하는, 휴대용 전자 디바이스. - 제7항 또는 제8항에 있어서,
신호 광 (106, 107)을 포함하는, 휴대용 전자 디바이스. - 제7항 또는 제8항에 있어서,
음향 신호 (108)를 포함하는, 휴대용 전자 디바이스. - 제7항 또는 제8항에 있어서,
GPS 로케이터를 포함하는, 휴대용 전자 디바이스. - 가시 스펙트럼 상 청색 광을 탐지하고 계량화하기 위한 컴퓨터 시스템 (200)으로서:
스크린 제어기에 연결된 디스플레이 (201);
프로그램 메모리 (203);
카메라 (204);
프로세서 (202); 그리고
상기 프로세서 (202)의 메모리 (203) 내에 저장되며 그리고 상기 프로세서 (202)에 의해서 실행되도록 구성된 프로그램(들) (205)을 포함하며,
상기 프로그램(들) (205)은:
개인 시각 시스템 상의 입사 방사를 탐지하고;
상기 입사 방사를 380 nm 및 500 nm 사이의 범위 내에서 계산하고;
상기 입사 방사의 적어도 하나의 문턱을 상기 범위 내에서 확립하고;
상기 범위에 대해서 확립된 적어도 하나의 문턱이 초과되었는가를 탐지하며;
적어도 하나의 문턱의 초과를 경고하고;
입사 방사에 대한 노출 시간을 측정하고; 그리고
개인의 상이한 눈 구조들에서 입사 방사의 영향을 추론하고 그리고 그런 영향을 경고하기 위한,
명령어들을 포함하는, 컴퓨터 시스템. - 제12항에 있어서,
상기 컴퓨터 시스템은 외부 서버에 연결된, 컴퓨터 시스템. - 제12항 또는 제13항에 있어서,
상기 프로그램(들) (205)은,
상기 컴퓨터 시스템 위치를 확립하고 그리고 방출들을 계산함에 있어서 상기 위치를 기반으로 하는 교정 계수를 적용하기 위한 명령어들을 포함하는, 컴퓨터 시스템. - 제12항 또는 제13항에 있어서,
상기 컴퓨터 시스템 (200)은 모바일 폰인, 컴퓨터 시스템. - 제12항 또는 제13항에 있어서,
상기 컴퓨터 시스템 (200)은 텔레비전인, 컴퓨터 시스템. - 제12항 또는 제13항에 있어서,
상기 컴퓨터 시스템 (200)은 컴퓨터인, 컴퓨터 시스템. - 실행할 때에 제1항 내지 제3항 중 어느 한 항에 따른 방법을 수행하는 하나 이상의 프로세서들 (104, 202)에 의한 실행을 위해 구성된 명령어들을 구비한 기계 판독가능 매체.
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KR1020157019807A Active KR101600077B1 (ko) | 2012-12-21 | 2013-07-05 | 가시 스펙트럼의 청색 광 및 보라색 광에 의해서 초래된 눈 손상의 변이를 탐지하고 계량화하는 디바이스 및 방법 |
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