Patents by Inventor Karen A. Malburne
Karen A. Malburne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8870434Abstract: A planar light guide film for a backlight unit having at least one point light source is disclosed. The light guide film includes a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further includes a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being less than the contact angle of the circular tip segments.Type: GrantFiled: September 12, 2011Date of Patent: October 28, 2014Assignee: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Patent number: 8858058Abstract: A planar light guide film for a backlight unit having at least one point light source is disclosed. The light guide film includes a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface includes a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being greater than the contact angle of the circular tip segments.Type: GrantFiled: September 12, 2011Date of Patent: October 14, 2014Assignee: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Patent number: 8491172Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second elliptical base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other and wherein the circular tip segment satisfies the following equation: y1=a1+?{square root over ((r12?x2))} and the elliptical base segments satisfies the following equations: y4=d4+b4×?{square root over ((1?((x+c4)/a4)2)} y5=d5+b5×?{square root over ((1?((x?c5)/a5)2)}.Type: GrantFiled: June 30, 2011Date of Patent: July 23, 2013Assignee: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Patent number: 8480283Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second elliptical base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other.Type: GrantFiled: September 12, 2011Date of Patent: July 9, 2013Assignee: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Publication number: 20130063974Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being greater than the contact angle of the circular tip segments.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi HONG, Karen A. Malburne
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Publication number: 20130063977Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Publication number: 20130063975Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi HONG, Karen A. Malburne
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Publication number: 20130063976Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a first and second circular tip segment each circular tip segment with a first contact angle, and a first and second circular base segment each circular base segment with a top and bottom contact angle, the contact angles of the circular base segments being less than the contact angle of the circular tip segments.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Patent number: 8382360Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second elliptical base segments with a second contact angle, the second contact angle being greater than the first contact angle and the second contact angle being equal to each other and wherein the circular tip segment satisfies the following equation: y1=a1+?{square root over ((r12?x2))} and the elliptical base segments satisfies the following equations: y4=d4+b4×?{square root over ((1?((x+c4)/a4)2)} y5=d5+b5×?{square root over ((1?((x?c5)/a5)2)}.Type: GrantFiled: June 30, 2011Date of Patent: February 26, 2013Assignee: SKC Haas Display Films Co., Ltd.Inventors: Qi Hong, Karen A. Malburne
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Publication number: 20130003408Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second circular base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other.Type: ApplicationFiled: June 30, 2011Publication date: January 3, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi HONG, Karen A. Malburne
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Publication number: 20130003413Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface.Type: ApplicationFiled: June 30, 2011Publication date: January 3, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi HONG, Karen A. MALBURNE
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Publication number: 20130003414Abstract: The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface.Type: ApplicationFiled: June 30, 2011Publication date: January 3, 2013Applicant: SKC Haas Display Films Co., Ltd.Inventors: Qi HONG, Karen A. Malburne
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Patent number: 5368578Abstract: A hypodermic syringe holder adapted to receive a disposable ampoule and eject it in an axial direction. The holder comprises a plunger element, an optional camming element, a disposable hollow semi-cylindrical frame and a forwardly pivotable element.Type: GrantFiled: March 10, 1994Date of Patent: November 29, 1994Assignee: Sterling Winthrop Inc.Inventors: Roger G. Covington, Karen A. Malburne, Douglas C. Mehl, John Niedospial