Patent application number | Description | Published |
20090073147 | Driving IC for display apparatus, display apparatus and setting data programming method thereof - A driving integrated circuit (IC) in which operations of registers and a method of programming setting data are improved, a display apparatus including the same, and the method of programming setting data of the display apparatus are provided. The display apparatus includes a panel displaying images, a driving IC disposed to drive the display apparatus and including a register block temporarily storing externally provided data, and a non-volatile memory storing setting data setting up operating conditions of the display apparatus. The register block includes one or more registers disposed in series, stores the data during a first interval of acquiring the setting data, and shifts and outputs data stored in the registers during a second interval for programming the acquired setting data to the non-volatile memory. | 03-19-2009 |
20090309889 | Method and Apparatus for Contolling Writing of Data to Graphic Memory - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space. | 12-17-2009 |
20100171737 | Driving circuit and display device including the same - The display device includes a driving circuit and a panel. The driving circuit is configured to generate a source output enable signal having at least one pulse during one horizontal scanning period in response to a mode signal and configured to generate a source driving signal by latching an image data in response to the source output enable signal. The driving circuit is further configured to generate an internal horizontal synchronization signal in response to the source output enable signal and configured to generate a gate driving signal in response to the internal horizontal synchronization signal. The panel is configured to display the image data in response to the gate driving signal and the source driving signal. | 07-08-2010 |
20130278618 | Method and Apparatus for Controlling Writing of Data to Graphic Memory - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space. | 10-24-2013 |
20140014975 | SEMICONDUCTOR CHIP INCLUDING HEAT RADIATION MEMBER, AND DISPLAY MODULE - A semiconductor chip includes a circuit region having an integrated semiconductor circuit on a semiconductor substrate, and a heat radiation member on at least a portion of a scribe lane region configured to at least partially surround the circuit region, the heat radiation member including a plurality of heat radiation fins that extend in a direction orthogonal to an upper surface of the semiconductor substrate. | 01-16-2014 |
20140015118 | SEMICONDUCTOR CHIP INCLUDING HEAT RADIATION PORTION AND METHOD OF FABRICATING THE SEMICONDUCTOR CHIP - A semiconductor chip includes a semiconductor substrate including a first surface and a second surface, an integrated circuit (IC) on the first surface of the semiconductor substrate, and a heat radiation portion on the second surface of the semiconductor substrate. The heat radiation portion includes heat radiation patterns in a direction perpendicular to the second surface, and a heat radiation layer on upper portions of the heat radiation patterns. The heat radiation patterns include a plurality of recesses and a plurality of protrusions and the heat radiation layer includes a metal material and has a flat upper surface. | 01-16-2014 |
20140063033 | DISPLAY DRIVER INTEGRATED CIRCUIT AND DISPLAY DATA PROCESSING METHOD THEREOF - A display driver integrated circuit is provided which includes a first line buffer which receives first pixel data of an odd lane in response to an external clock and outputs the first pixel data in response to an internal clock; a second line buffer which receives second pixel data of an even lane in response to the external clock and outputs the second pixel data in response to the internal clock; a line buffer controller which receives display data by the two pixel data to output the first and second pixel data; a data merger which merges the first pixel data output from the first line buffer and second pixel data output from the second line buffer; and an image data processing block which processes the merged pixel data, wherein a frequency of the internal clock is lower than a frequency of the external clock. | 03-06-2014 |
20140085321 | DISPLAY DRIVER INTEGRATED CIRCUIT, A DISPLAY SYSTEM HAVING THE SAME, AND A DISPLAY DATA PROCESSING METHOD THEREOF - A display driver integrated circuit which includes a distributor configured to output display data; a plurality of first-in first-out (FIFO) memories configured to receive the display data from the distributor according to an external clock and output the display data in response to an internal clock; and a plurality of graphics memories configured to receive the display data from the FIFO memories. | 03-27-2014 |
20140118377 | DISPLAY DRIVER CIRCUIT, DISPLAY DEVICE COMPRISING SAME, AND METHOD OF OPERATING SAME - A display driver circuit comprises a frame memory comprising m main rows (m>1) and n dummy rows (005-01-2014 | |
20140146007 | TOUCH-SENSING DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a touch sensor controller configured to identify a gesture. A display driver integrated circuit (IC) is configured to flip, scroll, or shrink an image based on the results of identification, which are received from the touch sensor controller. Accordingly, a user may more easily touch one or more touch targets displayed on the display device with just one hand. | 05-29-2014 |
20140253532 | DISPLAY DRIVING DEVICE, DISPLAY APPARATUS AND METHOD FOR OPERATING THE SAME - A display driving device includes a first source amplifier that receives first display data and supplies a first pixel voltage to a first pixel based on the received first display data, and a second source amplifier that receives second display data and first control data and supplies a second pixel voltage to a second pixel based on the received second display data and first control data. The second source amplifier has a first stage in which a first process is performed on an input signal based on the second display data, and a second stage in which a second process is performed on the first processed input signal to output the second pixel voltage. The first source amplifier may be configured to conditionally supply the first pixel voltage to the second pixel. | 09-11-2014 |
20140368479 | DISPLAY DRIVER INTEGRATED CIRCUITS, DEVICES INCLUDING DISPLAY DRIVER INTEGRATED CIRCUITS, AND METHODS OF OPERATING DISPLAY DRIVER INTEGRATED CIRCUITS - Methods of operating a display driver integrated circuit (IC) are provided. A method of operating a display driver IC may include generating a first clock signal, and calculating a frequency of the first clock signal using a second clock signal. Moreover, the method may include generating an adjustment signal using the frequency of the first clock signal and a target frequency, and adjusting the frequency of the first clock signal using the adjustment signal. Related display driver ICs and portable electronic devices are also provided. | 12-18-2014 |
20150022540 | METHOD AND APPARATUS FOR CONTROLLING WRITING OF DATA TO GRAPHIC MEMORY - A method and apparatus for controlling writing of data to a graphic memory is provided. In the method and apparatus, a plurality of consecutively input data pieces are controlled to be not consecutively written to the same memory area in terms of time or space. | 01-22-2015 |
20150029233 | DISPLAY DRIVER IC, APPARATUS INCLUDING THE SAME, AND METHOD OF OPERATING THE SAME - A method of operating a display driver IC (DDI) includes comparing previous line data with current line data and the R, G, and B components of a color data signals, and controlling whether to activate part of an intermediate processing circuit to process the current line data or more than a single component of the color data signal according to a comparison result. | 01-29-2015 |
20150049076 | DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE - A display device includes a timing controller to generate a plurality of data control signals, a source driving unit to receive the plurality of data control signals from the timing controller and generate a data voltage, and a display panel to receive the data voltage and output an image, wherein the source driving unit transmits the data voltage to the display panel, through a plurality of data lines, with delays that are respectively different corresponding each frame. | 02-19-2015 |