摘要:
A touch panel includes: a substrate; a plurality of light emitting elements; and a plurality of light receiving elements, wherein the number of light receiving elements may be greater than the number of light emitting elements.
摘要:
A touch panel includes: a substrate; a plurality of light emitting elements; and a plurality of light receiving elements, wherein the number of light receiving elements may be greater than the number of light emitting elements.
摘要:
A touch display device may include an organic light emitting diode (OLED) display panel that includes scan lines, data lines, and OLED cells, and a driver to display a touch position on a screen (of the OLED display panel) in a frame that includes a touch subfield. The driver may supply at least one scan sync signal to the scan lines and supply at least one data sync signal to the data lines during one frame. The touch subfield may include a vertical touch subfield to detect a vertical position of the touch position and a horizontal touch subfield to detect a horizontal position of the touch position.
摘要:
There are provided an image display apparatus having a display unit capable of sensing a touch made by a pointing device, and a method for operating the same. The method includes outputting a synchronous signal through the entire region of the display unit, transmitting a first scanning signal and a second scanning signal respectively scanning the display unit in a first direction and a second direction to the pointing device; and acquiring touch position information regarding a touch made by the pointing device by using touch time information regarding time points when the pointing device receives the first scanning signal and the second scanning signal after sensing the synchronous signal. Accordingly, an error in touch recognition caused by the delay of a synchronous signal can be minimized.
摘要:
A plasma display apparatus and a method of driving the same are disclosed. The method includes assigning a predetermined number of sustain signals to each of subfields constituting a frame depending on weight values of the subfields, selecting some of combinations of the subfields, actually measuring a luminance of light emitted by the plasma display apparatus during a frame comprised of the selected subfield combination, normalizing a luminance corresponding to each subfield combination depending on the actually measured highest luminance to calculate a reference normalized gray level, and calculating an intermediate gray level between the reference normalized gray levels.
摘要:
A plasma display apparatus and a method of driving the same are disclosed. In the method, the number of sustain signals assigned to at least one of a plurality of subfields of a frame is different from the number of sustain signals assigned to the other subfields depending on an average power level (APL) of the frame. The number of sustain signals assigned depending on the APL is additionally adjusted in relation to a maximum gray level of the frame.
摘要:
A driving device of a plasma display panel and a method of driving the plasma display panel are disclosed. A method of driving a plasma display panel receiving a video signal and displaying an image on the screen includes performing an inverse-gamma correction process on the video signal, calculating an occupation proportion of a maximum gray level of the video signal in a histogram of the video signal using location information of an object displayed on the screen, calculating a motion proportion of the video signal, and calculating an average picture level (APL) of the video signal.
摘要:
A display apparatus is disclosed. The display apparatus includes a display panel that displays at least one of a two dimensional (2D) image and a three dimensional (3D) image, and a driver that is driven so as to display an image on the display panel. The driver includes a 3D image conversion unit that converts the 3D image into a protective image if a length of a period during which the 3D image is displayed on the display panel is longer than a length of a first period.
摘要:
A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel that displays a left eye image and a right eye image before and after a crosstalk prevention period during a frame, a first driver that supplies a data signal for the left eye image and the right eye image to the plasma display panel, and a second driver that supplies a sustain signal to discharge cells of the plasma display panel selected by the supply of the data signal.
摘要:
A plasma display apparatus comprises a plasma display panel, an energy storing unit, a first driver, and a second driver. The plasma display panel includes a first electrode and a second electrode. The energy storing unit supplies a first voltage and a second voltage, or the second voltage. The first driver supplying or recovering an energy corresponding to the first voltage or the second voltage of the energy storing unit through the first electrode during an address period. The second driver supplying or recovering the energy corresponding to the second voltage of the energy storing unit through the second electrode during a sustain period. A level of the first voltage is less than a level of the second voltage.