# US 2013/0278583 A1 · Display apparatus and display method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0278583 A1 - Document ID: US20130278583A1 - Status: Published application - Kind: A1 - Application number: 13/586,852 - Filed: 2012-08-15 - Published: 2013-10-24 - Earliest claimed: 2012-04-20 - Assignees: E Ink Holdings Inc. - Inventors: Wei-Te Huang; Chi-Ming Wu; Cheng-Te Lai - Web page: https://patentgrep.com/patent/US20130278583A1 ## CPC - G09G 3/3696: {Generation of voltages supplied to electrode drivers} - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - G09G 2300/06: Passive matrix structure, i.e. with direct application of both column and row voltages to the light emitting or modulating elements, other than LCD or OLED - G09G 2300/08: Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements - G09G 2310/0221: with use of split matrices (G09G3/3644 and G09G3/3666 take precedence) - G09G 2310/0232: Special driving of display border areas - G09G 2320/0219: Reducing feedthrough effects in active matrix panels, i.e. voltage changes on the scan electrode influencing the pixel voltage due to capacitive coupling - G09G 2320/0271: Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping - G09G 2320/0686: with two or more screen areas displaying information with different brightness or colours - 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) ## Abstract A display apparatus and a display method thereof are provided. The display apparatus includes a display panel, a timing controller, a data driving unit and an extending driving unit. The display includes a plurality of first pixels disposed in a frame display region and a plurality of second pixels disposed in an extending display region, where the extending display region surrounds the frame display region. The timing controller outputs a plurality of display data corresponding to a display frame. The data driving unit outputs a plurality of first signals to the first pixels according to the display data. The extending driving unit obtains a display reference data corresponding to the display frame through the data driving unit, and provides a second driving signal to the second pixels according to the display reference data so as to determine the display effect of the second pixels. ## Claims ### Claim 1 A display apparatus comprising: a display panel having a plurality of first pixels and a plurality of second pixels, wherein the first pixels are disposed in a frame display region of the display panel, the second pixels are disposed in an extending display region of the display panel, and the extending display region surrounds the frame display region; a timing controller receiving a frame data corresponding to a display frame and outputting a plurality of display data correspondingly; a data driving unit coupled to the first pixels and the timing controller so as to receive the display data, and providing a plurality of first driving signals to the first pixels according to the display data; and an extending driving unit coupled to the second pixels and the data driving unit and receiving a display reference data corresponding to the display frame through the data driving unit, and the extending driving unit provides a second driving signal to the second pixels according to the display reference data so as to determine a display effect of the second pixels. ### Claim 2 (depends on 1) The display apparatus as recited in claim 1, wherein the first pixels are a plurality of active pixels, and the second pixels are a plurality of passive pixels. ### Claim 3 (depends on 1) The display apparatus as claimed in claim 1 further comprising: a power supply unit coupled to the display panel for providing a common voltage to the display panel, wherein the common voltage is adjusted corresponding to a feed-through voltage of the first pixels. ### Claim 4 (depends on 3) The display apparatus as recited in claim 3, wherein the extending driving unit comprises: a level-adjusting circuit for receiving a display reference signal corresponding to the display reference data and adjusting the display reference signal so as to generate the second driving signal according to the feed-through voltage. ### Claim 5 (depends on 4) The display apparatus as recited in claim 4, wherein the level-adjusting circuit comprises: a first operational amplifier having a first input end, a second input end and a first output end, wherein the first output end outputs the second driving signal; a first resistor coupled between the display reference signal and the first input end; a second resistor coupled between the common voltage and the first input end; a third resistor coupled between a ground voltage and the second input end; and a fourth resistor, coupled between the second input end and the first output end. ### Claim 6 (depends on 4) The display apparatus as recited in claim 4, wherein the extending driving unit further comprises a voltage regulating circuit, and the common voltage is provided to the second pixels through the voltage regulating circuit, and the common voltage is provided directly to the first pixels. ### Claim 7 (depends on 6) The display apparatus as recited in claim 6, wherein the voltage regulating circuit comprises: a second operational amplifier having a third input end, a fourth input end, and a second output end, wherein the third input end receives the common voltage, the fourth input end is coupled to the second output end, and the second output end is coupled to the second pixels. ### Claim 8 (depends on 4) The display apparatus as recited in claim 4, wherein the display reference data is the whole, part, or one of the display data, and the extending driving unit further comprises: an arithmetic unit coupled to the level-adjusting circuit and the data driving unit so as to provide the display reference signal to the level-adjusting circuit according to the display reference data. ### Claim 9 (depends on 4) The display apparatus as recited in claim 4, wherein the display reference data is the whole or part of the first driving signals, and the extending driving unit further comprises: a arithmetic unit coupled to the level-adjusting circuit and the data driving unit so as to provide the display reference signal to the level-adjusting circuit according to the display reference data. ### Claim 10 (depends on 4) The display apparatus as recited in claim 4, wherein when the display reference data is one of the first driving signals, the display reference signal is the same with the display reference data. ### Claim 11 (depends on 1) The display apparatus as recited in claim 1, wherein the extending driving unit further determines a third driving signal according to the display reference data, wherein the display effect of the second pixels is determined according to the second driving signal and the third driving signal respectively, wherein the second driving signal is different from the third driving signal. ### Claim 12 A display method of a display apparatus comprising: receiving a frame data corresponding to a display frame and correspondingly outputting a plurality of display data; providing a plurality of first driving signals to a plurality of first pixels according to the display data, wherein the first pixels are disposed in a frame display region of a display panel; receiving a display reference data corresponding to the display frame; and providing a second driving signal to a plurality of second pixels according to the display reference data according to the display reference data so as to determine a display effect of the second pixels, wherein the second pixels are disposed in an extending display region of the display panel, and the extending frame display region surrounds the frame display region. ### Claim 13 (depends on 12) The display method of a display apparatus as recited in claim 12, wherein the first pixels are a plurality of active pixels and the second pixels are a plurality of passive pixels, and the display method further comprises: providing a common voltage to the display panel, wherein the common voltage is adjusted corresponding to a feed-through voltage of the first pixels. ### Claim 14 (depends on 13) The display method of a display apparatus as recited in claim 13, wherein the steps of providing the second driving signal according to the display reference data comprise: generating a display reference signal according to the display reference data; and adjusting the display reference signal to generate the second driving signal according to the feed-through voltage. ### Claim 15 (depends on 12) The display method of a display apparatus as recited in claim 12 further comprising: determining a third driving signal further according to the display reference data, wherein the display effect of the second pixels is determined according to the second driving signal and the third driving signal respectively, and the second driving signal is different with the third driving signal.