The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2009
Filed:
Nov. 28, 2005
Jin-hyeong Park, Seoul, KR;
Jin-Hyeong Park, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-do, KR;
Abstract
In one aspect, an image sensor is provided which includes an interlayer insulation film formed over a substrate including a light receiving device, a color filter formed over the interlayer insulation film, a protection film having a flat top face formed over the interlayer insulation film and the color filter, a buffer film having a convex top face formed over the protection film, and a microlens formed on the convex top face of the buffer film. The microlens has a refractive index which is greater than a refractive index of the buffer film and has a convex top face and a concave bottom face, where the concave bottom face of the microlens contacts the convex top face of the buffer film.