KR101555818B1 - 터치 스크린 애플리케이션과 위치 감지 시스템에 사용하기 위한 역반사체 - Google Patents
터치 스크린 애플리케이션과 위치 감지 시스템에 사용하기 위한 역반사체 Download PDFInfo
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
- G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual
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Abstract
Description
도 1은, 본 발명의 양태에 따른 터치 스크린 시스템의 개략도.
도 2는, 본 발명에 따른 도 1의 터치 스크린 시스템의 단면도.
도 3과 도 4는, 본 발명에 따른 프리즘 필름 실시예의 단면도.
도 5는, 도 3과 도 4에 도시된 바와 같은 경사 큐브 코너 역반사 소자의 어레이를 구비한 프리즘 필름의 평면도.
도 6은, 본 발명의 양태에 따른 예시적 경사 큐브 코너 역반사 구조체의 평면도.
도 7은, 어레이 내의 큐브 코너 역반사 소자가 서로에 대해 90도 회전되어 있는, 도 6에 도시된 바와 같은 경사 큐브 코너 역반사 소자의 어레이 2개를 구비한 프리즘 필름의 평면도.
도 8은, 도 6에 도시된 바와 같은 경사 큐브 코너 역반사 소자의 언핀드 프리즘 필름의 평면도.
도 9는, 선 9-9를 따라 취한 도 5의 단면도.
도 10은, 본 발명의 양태에 따른 서로 다른 삼각형 큐브 코너들을 위한 카메라 신호의 예시적인 플롯.
도 11 내지 도 18은, 본 발명의 양태에 따른 경사(도) 및 큐브 깊이(mil)의 함수로서 그려진 최소 신호/범위의 예시적 플롯.
도 19는, 종래의 필름 재료와 본 발명의 프리즘 필름의 예시적 비교를 도시하는 도면.
Claims (24)
- 프리즘 필름(prismatic film)(108)에 있어서,
복수의 삼각형 큐브 코너 역반사 소자(cube corner retroreflective element)(140)를 포함하는 역반사 기판(retroreflective substrate)(120,150)과, 상기 역반사 기판(120,150)의 적어도 일부 위에 배치된 금속화 층(metallized layer)(142)을 구비하는 프리즘 필름(prismatic film)(108)을 포함하고,
상기 역반사 소자(140)는, 삼각형 큐브 코너의 면에 더 평행한 방향(face more parallel direction)으로 4도 내지 삼각형 큐브 코너의 에지에 더 평행한 방향(edge more parallel direction)으로 18도의 범위의 경사(cant)와, 0.002 내지 0.008 인치의 큐브 깊이(cube depth)를 갖는, 프리즘 필름. - 제 1항에 있어서, 상기 역반사 기판(120,150)의 적어도 일부 위에 배치된 제 1 기판을 더 포함하고, 상기 제 1 기판(120)은 평평한 외부면을 갖는, 프리즘 필름.
- 제 2항에 있어서, 상기 제 1 기판은, 상기 제 1 기판 전체에 균일하게 분산된 흑색 염료를 갖는, 프리즘 필름.
- 제 2항에 있어서, 상기 제 1 기판은, 상기 제 1 기판 전체에 균일하게 분산된 적색 염료 또는 청색 염료를 갖는, 프리즘 필름.
- 제 2항에 있어서, 상기 제 1 기판(120)과 상기 복수의 역반사 소자(140) 사이에 배치된 제 2 기판(124)을 더 포함하는, 프리즘 필름.
- 위치 감지 시스템(100)에 있어서,
감지 영역(104)의 적어도 일부 위에 전자기선을 방출하기 위한 적어도 하나의 전자기선 소스(110,112)와,
상기 감지 영역(104)의 적어도 일부의 주변을 따라 위치한 프리즘 필름(108)으로부터 반사된 전자기선을 수용하도록 배치된 카메라(115,116)로서, 상기 프리즘 필름(108)은 삼각형 큐브 코너의 면에 더 평행한 방향으로 4도 내지 삼각형 큐브 코너의 에지에 더 평행한 방향으로 18도의 범위의 경사와, 0.002 내지 0.008 인치의 큐브 깊이를 갖는 복수의 삼각형 큐브 코너 역반사 소자(140)를 포함하는, 카메라를 포함하는, 위치 감지 시스템. - 제 6항에 있어서, 오염물 및 습기가 상기 역반사 소자(140)와 접촉하는 것을 방지하기 위해 상기 복수의 역반사 소자(140) 위에 배치된 금속화 층(142)과, 상기 복수의 역반사 소자(140)와 상기 소스(110,112) 사이에 배치된 제 1 기판(120)을 더 포함하는, 위치 감지 시스템.
- 제 6항에 있어서, 상기 프리즘 필름(108)은 소스가 적외선 소스(110,112)일 때 74%를 초과하는 이중 패스 투과율(double-pass transmission)을 갖고, 상기 프리즘 필름(108)은 가시광으로 볼 때 불투명한, 위치 감지 시스템.
- 제 6항에 있어서, 상기 감지 영역(detection area)은 터치 스크린 디스플레이인, 위치 감지 시스템.
- 제 9항에 있어서, 상기 프리즘 필름(108)은, 상기 프리즘 필름(108)과 관련된 최대 입사 각도의 평면이 상기 터치스크린과 평행하도록 정렬되는, 위치 감지 시스템.
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US2092108P | 2008-01-14 | 2008-01-14 | |
US61/020,921 | 2008-01-14 | ||
US8039308P | 2008-07-14 | 2008-07-14 | |
US61/080,393 | 2008-07-14 |
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KR20100133959A KR20100133959A (ko) | 2010-12-22 |
KR101555818B1 true KR101555818B1 (ko) | 2015-09-25 |
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KR1020107017893A KR101555818B1 (ko) | 2008-01-14 | 2009-01-12 | 터치 스크린 애플리케이션과 위치 감지 시스템에 사용하기 위한 역반사체 |
Country Status (12)
Country | Link |
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US (1) | US8928625B2 (ko) |
EP (2) | EP2238485B1 (ko) |
JP (2) | JP2011510346A (ko) |
KR (1) | KR101555818B1 (ko) |
CN (1) | CN101971064B (ko) |
AU (1) | AU2009205567B2 (ko) |
BR (1) | BRPI0907219A8 (ko) |
ES (1) | ES2905909T3 (ko) |
PL (1) | PL2238485T3 (ko) |
RU (1) | RU2497161C2 (ko) |
WO (1) | WO2009091681A2 (ko) |
ZA (1) | ZA201005039B (ko) |
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2009
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- 2009-01-12 RU RU2010133621/28A patent/RU2497161C2/ru active
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- 2009-01-12 BR BRPI0907219A patent/BRPI0907219A8/pt not_active Application Discontinuation
- 2009-01-12 PL PL09702040T patent/PL2238485T3/pl unknown
- 2009-01-12 JP JP2010543168A patent/JP2011510346A/ja active Pending
- 2009-01-12 EP EP11003497A patent/EP2367033A1/en not_active Ceased
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EP2367033A1 (en) | 2011-09-21 |
US20090295755A1 (en) | 2009-12-03 |
US8928625B2 (en) | 2015-01-06 |
BRPI0907219A8 (pt) | 2015-09-29 |
JP2014199459A (ja) | 2014-10-23 |
RU2010133621A (ru) | 2012-02-27 |
EP2238485B1 (en) | 2021-12-08 |
WO2009091681A3 (en) | 2009-09-24 |
ES2905909T3 (es) | 2022-04-12 |
RU2497161C2 (ru) | 2013-10-27 |
KR20100133959A (ko) | 2010-12-22 |
BRPI0907219A2 (pt) | 2015-07-14 |
AU2009205567A1 (en) | 2009-07-23 |
WO2009091681A2 (en) | 2009-07-23 |
CN101971064A (zh) | 2011-02-09 |
JP5913439B2 (ja) | 2016-04-27 |
JP2011510346A (ja) | 2011-03-31 |
PL2238485T3 (pl) | 2022-04-19 |
ZA201005039B (en) | 2012-06-27 |
CN101971064B (zh) | 2015-07-29 |
EP2238485A2 (en) | 2010-10-13 |
AU2009205567B2 (en) | 2014-12-11 |
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