Patent application number | Description | Published |
20090027527 | Color filter arrays and image sensors using the same - Color filter arrays (CFA) and image sensors using same are provided. A color filter array includes a two-dimensional array including a plurality of first color filters, a plurality of second color filters, and a plurality of third color filters, wherein the first, second and third color filters are periodically arranged, and at least the first, second and third color filters formed in a first region of the two-dimensional array and the first, second and third color filters formed in a second region of the two-dimensional array are symmetrically mirrored. | 01-29-2009 |
20090096900 | IMAGE SENSOR DEVICE - An image sensor device is disclosed. The device comprises a plurality of unit pixels, and each unit pixel comprises a substrate and a non-absorptive color separating device overlying the substrate. The substrate comprises a plurality of photodiodes horizontally arranged in a row, and at least one bevel boundary area between the photodiodes. The non-absorptive color separating device disperses incident white light into components thereof arranged in the row according to a gradient of wave lengths of the components of white light, and introduces the components of white light to the photodiodes. | 04-16-2009 |
20090101947 | Image sensor device and fabrication method thereof - An image sensor device is disclosed. The image sensor device comprises a substrate having a pixel array therein. A first transparent layer with a curved surface is disposed on the substrate. A micro lens array is conformally disposed on the curved surface of the first transparent layer and corresponds to the pixel array in the substrate. The invention also discloses an electronic assembly for an image sensor device and a fabrication method thereof. | 04-23-2009 |
20090185275 | Image sensor device with high photosensitivity - An anti-reflection structure for transmitting a light source is disclosed. The anti-reflection structure comprises a first dielectric layer of a first refractive index and a second dielectric layer of a second refractive index different from the first refractive index. The first dielectric layer has a plurality of protrusions randomly arranged on a top surface thereof, in which the plurality of protrusions and the intervals therebetween has an average size smaller than the wavelength of the light source. The second dielectric layer has a bottom surface conformally attached to the top surface of the first dielectric layer. The invention also discloses an image sensor device having the anti-reflection structure. | 07-23-2009 |
20090189055 | Image sensor and fabrication method thereof - Embodiments disclose an image sensor device, comprising a substrate comprising a plurality of photosensor cells located therein or thereon, a plurality of optical guide structures corresponding to the photosensor cells respectively, and a stacked layer surrounding the optical guide structures, comprising a plurality of top portions with sharp corners adjacent to the top edges of the optical guide structures. | 07-30-2009 |
20090261439 | MICROLENS ARRAY AND IMAGE SENSING DEVICE USING THE SAME - A microlens array is provided, including a base layer with a plurality of first microlenses formed over a first region thereof, wherein the first microlenses are formed with a first height. A plurality of second microlenses are formed over a second region of the base layer, wherein the second region surrounds the first region and the second microlenses are formed with a second height lower than the first height. A plurality of third microlenses are formed over a third region of the base layer, wherein the third region surrounds the second and three regions, and the microlenses are formed with a third height lower than the first and second heights. | 10-22-2009 |
20090305453 | METHOD OF FABRICATING IMAGE SENSOR DEVICE - A method for fabricating an image sensor device is disclosed. A substrate having a sensing area comprising a pixel array therein is provided. A photoresist layer is coated over the substrate. Exposure is performed on at least two regions of the photoresist layer by at least two binary half-tone masks, respectively, in which a first and second binary half-tone masks of the two binary half-tone masks have different optical transparency distributions. Development is performed on the exposed photoresist layer to form a convex microlens array corresponding to the pixel array of the sensing area and comprising at least two microlenses with different convex profiles. | 12-10-2009 |
20100108866 | COLOR FILTER ARRAYS AND IMAGE SENSORS USING THE SAME - Color filter arrays (CFA) and image sensors using same are provided. A color filter array includes a plurality of first color filter patterns respectively interlaced with a plurality of second color filter patterns, wherein the first and second color filter patterns comprise a plurality of color filters of at least three different colors of red (R), green (G) and blue (B) filters, and the first and second color filter patterns are not mirror symmetrical, and a blue (B) filter in one of the first color filter patterns is adjoined by a red (R) filter in one of the second color filter patterns adjacent thereto and/or a red (R) filter in one of the first color filter patterns is adjoined by a blue filter in one of the color filter patterns adjacent thereto. | 05-06-2010 |