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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Light guide member, illumination device, and image reading apparatus using them

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01J-040/14   
미국특허분류(USC) 250/227.11 ; 250/208.1 ; 362/297 ; 358/475
출원번호 US-0349113 (1999-07-08)
우선권정보 JP0211987 (1998-07-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fitzpatrick, Cella, Harper & Scinto
인용정보 피인용 횟수 : 52  인용 특허 : 3
초록
▼

A light guide member includes a columnar light transmission member having an end face as a light incident surface, a light emergent surface on part of a side surface of the columnar light transmission member, and a saw-toothed reflection portion on a surface opposing the light emergent surface. The saw-toothed reflection portion is made up of a plurality of reflection surfaces. An angle of a reflection surface farther away from the light incident surface with respect to a longitudinal direction of the light guide member is larger than an angle of a refle...

대표
청구항
▼

[ What is claimed is:] [1.]1. A light guide member comprising a columnar light transmission member having an end face as a light incident surface, a light emergent surface on part of a side surface of said columnar light transmission member, and a saw-toothed reflection portion on a surface opposing said light emergent surface,wherein said saw-toothed reflection portion is made up of a plurality of reflection surfaces, and an angle of a reflection surface farther away from said light incident surface with respect to a longitudinal direction of said light...

이 특허에 인용된 특허 (3)

  1. Murphy Morgan D. (Kokomo IN) Skiver Steven G. (Kokomo IN) Beyerlein David G. (Carmel IN) Osman Kerwin C. (Kokomo IN). Illuminated instrumentation display. USP1994065319527.
  2. Tabata Masami,JPX. Illuminating unit for illuminating an original to be read by an image sensor. USP1999115986253.
  3. Suzuki Shingo,JPX. Transparent and spread illuminating apparatus. USP2000076088074.

이 특허를 인용한 특허 피인용횟수: 52

  1. Durkee, John. Consolidated troffer. USP2016039291320.
  2. Woodgate, Graham J.; Robinson, Michael G.; Hill, Adrian J.. Control of directional display. USP2017089740034.
  3. Woodgate, Graham J.; Robinson, Michael G.; Hill, Adrian J.. Controlling light sources of a directional backlight. USP2018019872007.
  4. Harrold, Jonathan; Woodgate, Graham J.. Directional backlight. USP2017129835792.
  5. Harrold, Jonathan; Woodgate, Graham J.; Robinson, Michael G.; Schuck, Miller H.. Directional backlight. USP2017079709723.
  6. Robinson, Michael G.; Woodgate, Graham J.. Directional backlight having a rear reflector. USP20180810054732.
  7. Robinson, Michael G.; Woodgate, Graham John; Harrold, Jonathan. Directional flat illuminators. USP2016129519153.
  8. Kobayashi, Hidekazu. Document illumination device, contact-type image sensor module, and image reading device. USP2014128917429.
  9. Bahramian,Bahram. Electrical connector, LED assembly, and method of assembly therefor. USP2007067234856.
  10. Robinson, Michael G.; Woodgate, Graham J.; Harrold, Jonathan. Energy efficient directional flat illuminators. USP2016119482874.
  11. Bahramian,Bahram. Fiber optic splitter. USP200602D514520.
  12. Tetsuichiro Yamamoto JP; Shinya Kubo JP. Image reader which can shorten focal length in optical system having optical lens while keeping predetermined image reading width. USP2002056396648.
  13. Sugiyama, Takayuki; Ito, Narumasa. Image reading apparatus. USP2016039277082.
  14. Fujiuchi, Akiko; Shoji, Toshiaki; Kobayashi, Nobutaka; Masuda, Akio. Irradiation device and image-reading device. USP2016059329333.
  15. Wilcox, Kurt; Raleigh, Craig; Castillo, Mario Alberto. LED lensing arrangement. USP2018039920901.
  16. Chen,Ga Lane; Leu,Charles. Light guide plate with narrowed center and surface light source device incorporating same. USP2007057223004.
  17. Ballen, Todd A.; Lea, Michael C.; Lundin, David J.; Randall, Stephen M.. Light guide within recessed housing. USP2005026848822.
  18. Robinson, Michael G.; Woodgate, Graham J.; Harrold, Jonathan. Light input for directional backlight. USP2017089739928.
  19. Bahramian,Bahram. Low profile light panel. USP2006057048398.
  20. van de Ven, Antony P.; Tarsa, Eric J.; Keller, Bernd P.; Jacobson, Benjamin A.; de Sugny, Jean-Claude David Ramey. Luminaire with selectable luminous intensity pattern. USP20190210209429.
  21. Keller, Bernd P.; Tarsa, Eric J.; Yuan, Zongjie. Luminaires using waveguide bodies and optical elements. USP2018019869432.
  22. Tarsa, Eric J.; Benjamin, Hormoz; Durkee, John W.; Keller, Bernd P.. Luminaires utilizing edge coupling. USP20190110168467.
  23. Tarsa, Eric J.; Benjamin, Hormoz; Durkee, John W.; Keller, Bernd P.. Luminaires utilizing edge coupling. USP2017059645303.
  24. Park, Byungduck. Mobile terminal. USP2016039285829.
  25. Nagatani, Kaname; Lee, Dong-hun. Multi-functional device having scanner module and image scanning apparatus employing the scanner module. USP2016039277081.
  26. Wilcenski, Steve; Wilcox, Kurt S.; Lowes, Theodore. Optical element and method of forming an optical element. USP2017109798072.
  27. Tsukamoto,Koji; Ishii,Masatoshi; Kato,Masayuki. Optical element, optical transmission unit and optical transmission system. USP2006077071458.
  28. Robinson, Michael G.; Woodgate, Graham J.; Ramsey, Robert A.; Harrold, Jonathan. Optical stack for privacy display. USP20181110126575.
  29. Yuan, Zongjie; Ma, Jiayin; Wilcox, Kurt S.; Tarsa, Eric J.. Optical waveguide and lamp including same. USP2016069366396.
  30. Yuan, Zongjie; Wilcox, Kurt S.; Tarsa, Eric J.; Rol, Fabian Jean-Daniel; Ibbetson, James; Keller, Bernd P.. Optical waveguide and lamp including same. USP2017029581751.
  31. Yuan, Zongjie; Wilcox, Kurt S.; Tarsa, Eric J.; Rol, Fabian Jean-Daniel; Ibbetson, James; Keller, Bernd P.; Medendorp, Jr., Nicholas W.. Optical waveguide and luminaire incorporating same. USP2017119823408.
  32. Yuan, Zongjie; Wilcox, Kurt S.; Tarsa, Eric J.; Rol, Fabian Jean-Daniel; Ibbetson, James; Keller, Bernd P.; Medendorp, Jr., Nicholas W.. Optical waveguide and luminaire incorporating same. USP2016079389367.
  33. Wilcox, Kurt S.; Durkee, John W.; Lay, James Michael; Heeter, Shawn; Medendorp, Jr., Nicholas W.; McBryde, James. Optical waveguide bodies and luminaires utilizing same. USP2016069366799.
  34. Durkee, John W.. Optical waveguide body. USP2017049625638.
  35. Wilcox, Kurt S.; Durkee, John W.; Raleigh, Craig D.; Chobot, Joseph P.. Optical waveguides. USP2016129519095.
  36. Keller, Bernd P.; Tarsa, Eric J.; Yuan, Zongjie; Wilcox, Kurt S.. Optical waveguides and luminaires incorporating same. USP2017069690029.
  37. Robinson, Michael G.; Sharp, Gary D.; Woodgate, Graham J.; Harrold, Jonathan; Schuck, Miller H.. Polarization recovery in a directional display device. USP2018039910207.
  38. Kim, Jung Kwon; Lee, Dong Hua; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2015119179029.
  39. Kim, Jung Kwon; Lee, Dong Hua; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2016129531902.
  40. Kim, Jung Kwon; Lee, Dong Hua; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2015079083838.
  41. Kim, Jung Kwon; Lee, Dong Hua; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2015129204006.
  42. Kim, Jung Kwon; Lee, Dong Hua; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2014108861044.
  43. Kim, Jung Kwon; Lee, Dong Hun; Kim, Hyun Surk; Kim, Kyung Rok. Scanner module and image scanning apparatus employing the same. USP2013018358447.
  44. Tahk, Gyun Mo; Kim, Hyun Surk; Kim, Kyung Rok; Lee, Dong Hun. Scanner module and image scanning apparatus employing the same. USP2015099137412.
  45. Tahk, Gyung Mo; Kim, Hyun Surk; Kim, Kyung Rok; Lee, Dong Hun. Scanner module and image scanning apparatus employing the same. USP2015129210287.
  46. Tahk, Gyung Mo; Kim, Hyun Surk; Kim, Kyung Rok; Lee, Dong Hun. Scanner module and image scanning apparatus employing the same. USP2013028379275.
  47. Tahk, Gyung Mo; Kim, Hyun Surk; Kim, Kyung Rok; Lee, Dong Hun. Scanner module and image scanning apparatus employing the same. USP2014048699095.
  48. Tahk, Gyung Mo; Kim, Hyun Surk; Kim, Kyung Rok; Lee, Dong Hun. Scanner module and image scanning apparatus employing the same. USP2014108861045.
  49. Tarsa, Eric J.. Waveguide bodies including redirection features and methods of producing same. USP2016099442243.
  50. Robinson, Michael G.; Ramsey, Robert A.; Woodgate, Graham J.. Wide angle imaging directional backlights. USP20190310228505.
  51. Robinson, Michael G.; Woodgate, Graham J.; Harrold, Jonathan; Schuck, Miller H.. Wide angle imaging directional backlights. USP20190110175418.
  52. Robinson, Michael G.; Woodgate, Graham J.; Harrold, Jonathan; Schuck, Miller H.. Wide angle imaging directional backlights. USP2017069678267.

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