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US 2008/0157248 A1Published application
Image sensor and fabricating method thereof
AssigneeDongbu HiTek Co., Ltd.
InventorYoung Je Yun
Life of this patent
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Abstract
Disclosed is an image sensor and a method of fabricating the same, including a color filter layer having a red color filter, a green color filter and a blue color filter, a planarization layer which is formed on the color filter layer and has a groove corresponding to boundary areas between the color filters, and a micro-lens array on the planarization layer.
Claims19
An image sensor comprising:
- a color filter layer having first, second and third color filters, each of the first, second and third color filters having a different color;
- a planarization layer which is formed on the color filter layer having grooves corresponding to boundary areas between the color filters;
- and
- a micro-lens array on the planarization layer.
1 more element
A method of fabricating an image sensor, the method comprising:
- forming a color filter layer having first, second and third color filters, each of the first, second and third color filters having a different color;
- forming a planarization layer on the color filter layer;
- forming grooves in the planarization layer that are aligned with boundary areas between the color filters;
- forming a photoresist layer on the planarization layer;
- and
- forming a micro-lens array by heat-treating the photoresist layer.
3 more elements
Dependencies are inferred from the claim text.