Low power architecture for mobile displays
AssigneeSamsung Display Co., Ltd.
InventorAmir Amirkhany
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Abstract
A low power architecture for mobile displays includes a display, a low voltage integrated circuit configured to: receive a high speed input signal; process the input signal; and output uncompressed pixel data based on the processed input signal; and a high voltage integrated circuit configured to drive pixels in the display based on the uncompressed pixel data; wherein the low voltage integrated circuit is configured to provides the uncompressed pixel data to the high voltage integrated circuit via a timing-to-driver (T2D) interface.
Claims20
A display architecture comprising:
- a display;
- a low voltage integrated circuit manufactured using a first semiconductor manufacturing process and configured to:
- receive a high speed input signal;
- process the input signal to generate uncompressed pixel data;
- reorder the uncompressed pixel data according to pixel color;
- and
- output the uncompressed pixel data;
- and
- a high voltage integrated circuit manufactured using a second semiconductor manufacturing process, wherein the first semiconductor manufacturing process is a smaller process node than the second semiconductor manufacturing process, and configured to:
- receive the uncompressed pixel data;
- reorder the uncompressed pixel data according to original pixel color order;
- and
- drive pixels in the display based on the uncompressed pixel data;
- wherein the low voltage integrated circuit is configured to provide the uncompressed pixel data to the high voltage integrated circuit via a timing-to-driver (T2D) interface.
A method for transmitting pixel data in a display comprising:
- reordering, by a transmitter side of a low voltage integrated circuit manufactured using a first semiconductor manufacturing process, uncompressed pixel data according to pixel color;
- transmitting, by the transmitter side, the uncompressed pixel data on a data bus;
- receiving, by a receiver side of a high voltage integrated circuit manufactured using a second semiconductor manufacturing process, wherein the first semiconductor manufacturing process is a smaller process node than the second semiconductor manufacturing process, the uncompressed pixel data from the low voltage integrated circuit;
- and
- reordering, by the receiver side, the uncompressed pixel data according to original pixel color order,
- wherein the data bus comprises an unterminated connection at the receiver side.
A method for transmitting uncompressed red-green-blue-green (RGBG) pixel data across an interface of a display comprising:
- separating, by a buffer of a low voltage integrated circuit, red/blue (R/B) pixel data of the uncompressed RGBG pixel data into a first color stream and green (g) pixel data of the uncompressed RGBG pixel data into a second color stream;
- reordering, by the buffer of the low voltage integrated circuit, the R/B pixel data of the first color stream such that same colors of the R/B pixel data appear consecutively;
- transmitting, by the buffer of the low voltage integrated circuit, the first color stream and the second color stream to a receiver side of the interface;
- carrying, by the interface, the first color stream and the second color stream from the receiver side of the interface to a transmitter side of the interface;
- and
- transmitting, by the transmitter side of the interface, the first color stream and the second color stream to a high voltage integrated circuit.
Dependencies are inferred from the claim text.