# US 2016/0253979 A1 · Data processing apparatus for transmitting/receiving compression-related indication information via display interface and related data processing method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0253979 A1 - Document ID: US20160253979A1 - Status: Published application - Kind: A1 - Application number: 15/152,516 - Filed: 2016-05-11 - Published: 2016-09-01 - Earliest claimed: 2012-10-09 - Assignees: Mediatek Inc. - Applicants: Mediatek Inc. - Inventors: Chi-Cheng Ju; Tsu-Ming Liu - Web page: https://patentgrep.com/patent/US20160253979A1 ## CPC - G09G 5/006: {Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04)} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - G06T 1/20: Processor architectures; Processor configuration, e.g. pipelining - G06T 9/00: Image coding (bandwidth or redundancy reduction for static pictures H04N1/41; coding or decoding of static colour picture signals H04N1/64; methods or arrangements for coding, decoding, compressing or decompressing digital video signals H04N19/00) - G09G 5/005: {Adapting incoming signals to the display format of the display terminal} - H04N 19/10: using adaptive coding - H04N 19/12: Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264 - H04N 19/136: Incoming video signal characteristics or properties - H04N 19/156: Availability of hardware or computational resources, e.g. encoding based on power-saving criteria - H04N 19/164: Feedback from the receiver or from the transmission channel - H04N 19/172: the region being a picture, frame or field - G09G 2330/021: Power management, e.g. power saving - G09G 2340/02: Handling of images in compressed format, e.g. JPEG, MPEG - G09G 2340/04: Changes in size, position or resolution of an image - G09G 2350/00: Solving problems of bandwidth in display systems - G09G 2370/08: Details of image data interface between the display device controller and the data line driver circuit - G09G 2370/10: Use of a protocol of communication by packets in interfaces along the display data pipeline - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A data processing apparatus has a de-compressor and an input interface. The de-compressor de-compresses a compressed display data in an input bitstream. The input interface receives the input bitstream from another data processing apparatus via a display interface, parses indication information included in the input bitstream, and configures the de-compressor to employ a de-compression algorithm according to the indication information. ## Claims ### Claim 1 A data processing apparatus comprising: a de-compressor, arranged for de-compressing a compressed display data in an input bitstream; and an input interface, arranged for receiving the input bitstream from another data processing apparatus via a display interface, parsing indication information included in the input bitstream, and configuring the de-compressor to employ a de-compression algorithm according to the indication information. ### Claim 2 (depends on 1) The data processing apparatus of claim 1, wherein the display interface is a display serial interface (DSI) standardized by a Mobile Industry Processor Interface (MIPI) or an embedded display port (eDP) standardized by a Video Electronics Standards Association (VESA). ### Claim 3 (depends on 1) The data processing apparatus of claim 1, wherein the input interface obtains the indication information by parsing a command set in a payload portion of the input bitstream. ### Claim 4 (depends on 3) The data processing apparatus of claim 3, wherein one end of the display interface is allowed to be coupled to any of a plurality of specific data processing apparatuses, including the data processing apparatus; and the data processing apparatuses is connected for receiving the input bitstream according to a channel identification (ID) number recorded in a header portion of the input bitstream. ### Claim 5 (depends on 1) The data processing apparatus of claim 1 further comprising a display panel, wherein the display panel is driven according to the de-compressed display data. ### Claim 6 A data processing apparatus comprising: a de-compressor, arranged for de-compressing a compressed display data in a first input bitstream; and an input interface, arranged for receiving the first input bitstream and a second input bitstream from another data processing apparatus via a display interface, parsing first indication information included in the first input bitstream and second indication information included in the second input bitstream, and configuring the de-compressor to employ a de-compression algorithm according to the first indication information; wherein the first indication information is different from the second indication information. ### Claim 7 (depends on 6) The data processing apparatus of claim 6 further comprising a display panel, wherein the display panel is driven according to the de-compressed display data. ### Claim 8 A data processing apparatus comprising: a first driver circuit comprising: a de-compressor, arranged for de-compressing a compressed display data in an input bitstream when an identification (ID) number in the input bitstream corresponds to the first driver circuit; and an input interface, arranged for receiving the input bitstream from another data processing apparatus via a display interface, parsing indication information included in the input bitstream, and configuring the de-compressor to employ a de-compression algorithm according to the indication information; and a second driver circuit, wherein the input bitstream is dispatched to the second driver circuit when the ID number in the input bitstream corresponds to the second driver circuit. ### Claim 9 (depends on 8) The data processing apparatus of claim 8, wherein the first driver circuit and the second driver circuit drive different regions of a display. ### Claim 10 (depends on 8) The data processing apparatus of claim 8 further comprising a display panel, wherein the display panel is driven according to the de-compressed display data.