Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Kostadin
Kostadin Djordjev, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20080288225 | INTERFEROMETRIC MODULATOR DISPLAYS WITH REDUCED COLOR SENSITIVITY - Methods are described for selecting reflective layer distances in an interferometric modulator display that result in reduced color sensitivity to temperature and process variation. Colors are selected for interferometric modulator subpixels that correspond to a minimum in the rate that the colors change with respect to reflective layer distance. In some cases, colors are selected that deviate from the minimums in order to obtain a desired target color (e.g., a desired white point). | 11-20-2008 |
| 20090051925 | DETERMINATION OF INTERFEROMETRIC MODULATOR MIRROR CURVATURE AND AIRGAP VARIATION USING DIGITAL PHOTOGRAPHS - Air gap variation in an interferometric modulator over a two-dimensional spatial map of the modulator is determined by acquiring a digital photograph of the modulator. Color parameters of individual pixels in the photograph are determined and compared to a model of color parameters as a function of air gap distance. The model and individual pixel color parameters may be plotted on a color space plot for comparison. The determined distances may be plotted over a two-dimensional spatial map of the interferometric modulator to visualize the mirror curvature and air gap variation. | 02-26-2009 |
| 20090204349 | MEASUREMENT AND APPARATUS FOR ELECTRICAL MEASUREMENT OF ELECTRICAL DRIVE PARAMETERS FOR A MEMS BASED DISPLAY - Methods and devices to measure threshold voltages of MEMS devices are disclosed. The threshold voltages are based on test voltages which cause the devices to change states. State changes of the device are detected by monitoring integrated current or charge used to drive the test voltages. | 08-13-2009 |
| 20090244686 | MICROELECTROMECHANICAL DEVICE WITH SPACING LAYER - An interferometric modulating device is provided with a spacing layer positioned between the fixed reflector and the electrode. The spacing layer prevents shorting between the movable reflector and the electrode and provides a filtering cavity to improve color saturation. | 10-01-2009 |
| 20100014148 | MICROELECTROMECHANICAL DEVICE WITH SPACING LAYER - An interferometric modulating device is provided with a spacing layer positioned between the fixed reflector and the electrode. The spacing layer prevents shorting between the movable reflector and the electrode and provides a filtering cavity to improve color saturation. | 01-21-2010 |
| 20110286072 | METHOD AND STRUCTURE CAPABLE OF CHANGING COLOR SATURATION - Various embodiments include an interferometric modulator device configured to provide improved saturation. In some embodiments, saturation is improved by optically matching the impedance of two materials with different refractive indices using a multilayer having a refractive index gradient. In various embodiments, the thickness one or more of the layers in the multilayer are selected to provide increased saturation. Accordingly, in various embodiments the multilayer having a refractive index gradient helps to narrow the resonance of a pixel such that the band of wavelengths that are reflected from the pixel is smaller. In turn, a device including a combination of red, green and blue pixels may expand the spectrum of colors that are reflected by the device in operation. Additionally, there may be better contrast between whites and blacks, as darker blacks with less hue are produced. | 11-24-2011 |
Kostadin Doytchinov, Ottawa CA
| Patent application number | Description | Published |
|---|---|---|
| 20080249731 | FITTING MEASURED DATA POINTS TO TOLERANCE ZONES HAVING REGARD FOR THE UNCERTAINTY OF THE MEASUREMENTS - Measurement data collected within a measurement frame of reference is fitted to geometric tolerance zones having regard for the uncertainties of the measurement. Geometric freedoms for fitting the measurement data are exploited to fit uncertainty zones associated with the measurement data within the tolerance zones. Typically, the measurement data is multidimensional and the uncertainty zones have different sizes. | 10-09-2008 |
Kostadin Gitchev, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090288056 | Method, system and computer program product for determining routing of data paths in interconnect circuitry - A system, method and computer program product are provided for determining routing of data paths in interconnect circuitry for an integrated circuit. The interconnect circuitry on a first side provides a narrow interface for connection to a first device, and on a second side provides a wide interface for connection to a distributed plurality of further devices. Each data path is associated with one of the further devices and provides a connection through the interconnect circuitry between that associated further device and the first device. The method comprises the steps of defining a plurality of cells to be provided along the wide interface, each of the further devices being associated with at least one of the cells, and defining the interconnect circuitry as an array of blocks formed in rows and columns, with each cell abutting one of the columns. Further, the method includes the steps of providing a predetermined set of tiles, each tile providing a predetermined wiring layout, and for each block, applying predetermined rules to determine one of the tiles to be used to implement that block. The predetermined rules take into account the location of the block in the array and the association between the plurality of further devices and the plurality of cells, ensuring that each data path provided by the interconnect circuitry has the same propagation delay. By such an approach, a structured routing method is provided that uses predetermined tiles enabling a layout design for the interconnect circuitry to be readily produced whilst ensuring that the propagation delays are matched for each of the data paths within the interconnect circuitry. | 11-19-2009 |
Kostadin Vardin, Aliso Viejo, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110304819 | Image-Guided Docking for Ophthalmic Surgical Systems - A docking method for an ophthalmic system may include the steps of aligning a docking unit of the ophthalmic system and an eye; generating an image of an internal structure of the eye by an imaging system; improving an alignment of the docking unit with the internal structure of the eye in relation to the generated image; and docking the docking unit to the eye. The generating the image step may include computing scanning data by a processor corresponding to a scanning pattern; storing the scanning data in a data buffer; transferring the scanning data by the data buffer to an output module; outputting scanning signals by the output module to one or more scanners based on the scanning data; and scanning an imaging beam with the one or more scanners according to the scanning signals. | 12-15-2011 |