Abstract: A light emitting display device includes a display panel including a subpixel, and a driver configured to drive the display panel, and in the subpixel, initialization of both ends of an organic light emitting diode is performed simultaneously with writing of a data voltage.

Abstract: A display device including a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel and having a precharge circuit configured to perform a precharging operation, and a timing controller configured to control the data driver, wherein the charge circuit generates a precharge voltage based on a precharge signal supplied in a horizontal blank period and is controlled to output or not output the precharge voltage based on a precharge selection signal.

Abstract: A display device comprises: a display panel including a scan line, a power supply line, and a pixel; a gate driver that supplies a scan signal to the pixel; and a bias driver that supplies a bias voltage to the pixel, wherein a driving period of the pixel includes a first and second frame that are different, wherein the first frame includes a first refresh period in which a first data voltage is written and a first reset period in which the first data voltage is maintained, wherein the second frame includes a second refresh period in which a second data voltage is written and a second reset period in which the second data voltage is maintained, and a first voltage pulse of the bias voltage during the first refresh period and a second voltage pulse of the bias voltage during the second refresh period are different.

Abstract: A barrier panel includes a first substrate and a second substrate having block region and transmission region; a liquid crystal layer between the first and second substrates, the liquid crystal layer including a plurality of liquid crystal molecules aligned in a predetermined direction; a plurality of barrier electrodes in the block region and the transmission region of the first substrate; a common electrode on the second substrate to apply an electric field to the liquid crystal layer with the plurality of barrier electrodes; a diffraction unit in the plurality of barrier electrodes to diffract the light transmitting therethrough; and a polarization plate over the second substrate, wherein an optical axis direction of the polarization plate is parallel to the alignment direction of the liquid crystal molecule to transmit an image through an area where the electric field is not applied.

Abstract: A display device and a mobile terminal device including the same are provided, wherein the display device includes a display panel including a display area in which a plurality of display pixels are disposed, and a sensing area in which a plurality of display pixels and a plurality of sensor pixels are disposed. The display pixels of the display area and the display pixels of the first sensing area emit light by receiving a data voltage of an input image in a display mode. The sensor pixels in the first sensing area generate an electric currents according to light reflected from a fingerprint in a fingerprint recognition mode. A resolution of the display pixel is lower than a resolution of the sensor pixel in the first sensing area.

Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.

Abstract: Disclosed is a display device and a method of manufacturing the same having improved reliability. In the display device, at least one of a plurality of dielectric films disposed between an oxide semiconductor layer and a light-emitting device includes a lower region disposed on the oxide semiconductor layer and an upper region disposed on the lower region, the upper region including a trap element configured to trap hydrogen, whereby reliability of a thin film transistor including the oxide semiconductor layer is improved.

Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.

Abstract: An organic light emitting display apparatus includes a substrate including a plurality of pixels. The organic light emitting display apparatus further includes a plurality of organic light emitting diodes on the substrate so as to correspond to the plurality of pixels. The plurality of pixels includes a first pixel, a second pixel, a third pixel, and a fourth pixel which emit different color light. Each of the plurality of organic light emitting diodes includes a first electrode, a light emitting portion on the first electrode and a second electrode on the light emitting portion. A thickness of the first electrode of the first pixel is different from a thickness of the first electrode of the second pixel, and the thickness of the first electrode of the second pixel is different from a thickness of the first electrode of the third pixel.

Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.

Abstract: A display apparatus can include a substrate including a hole area, an insulating layer disposed over the substrate, a transistor including a gate electrode, a source electrode and a drain electrode over the insulating layer, a planarization layer over the transistor, an anode electrode on the planarization layer, an organic light emitting layer on the anode electrode, and a cathode electrode on the organic light emitting layer. Also, he display apparatus can further include a bank-spacer layer over the anode electrode and partitioning the organic light emitting layer, a plurality of signal lines, a dam disposed between the hole area and the plurality of signal lines, and a structure disposed between the dam and the hole area. Also, the bank-spacer layer is configured by a half-tone exposure process and the structure disconnects some of the cathode electrode and the organic light emitting layer.

Abstract: A display apparatus includes a support member, a display panel located above the support member, a fixing layer between the support member and the display panel, a cover member located above the display panel and including an active area and a non-active area adjacent the active area, and at least one light shielding layer disposed on a rear surface of the cover member and overlapping the non-active area. The support member includes a base part overlapping the display panel and at least one extension part extending from the base part and protruding from a side surface of the display panel. Further, the extension part covers the side surface of the display panel.

Abstract: A thin film transistor can include an active layer; a gate electrode at least partially overlapping with the active layer; and a source electrode and a drain electrode spaced apart from each other and connected to the active layer, respectively. Also, the active layer includes a channel overlapping with the gate electrode; a first connection portion connected to a first side of the channel portion; and a second connection portion connected to a second side of the channel portion. Also, the channel has a crystalline structure, the first connection portion includes a first amorphous portion contacting the channel, and the second connection portion includes a second amorphous portion contacting the channel.

Abstract: A display device and a driving method thereof may be capable of compensating for noise caused by image data with inverted image data to cancel a noise component. The device includes a display panel divided into a first area and a second area; a first source driving circuit and a second source driving circuit for providing a source signal to the first area and the second area, respectively; a gate driving circuit for providing a scan signal; a touch driving circuit for applying a touch driving signal and sensing a touch signal; and a timing controller. The timing controller controls corresponding circuits to display first image data on the first area during a first display time, and to provide a source signal corresponding to first inverted data obtained by inverting the first image data to the second area during the first display time.

Abstract: A substrate processing apparatus may be utilized, for example, for a horizontally fixed organic material deposition equipment for manufacturing large-area displays. A substrate processing apparatus may include a titanium cooling plate having an upper surface and a lower surface; an electrostatic chuck including a first dielectric layer provided on the lower surface, an electrode layer provided on the first dielectric layer, and a second dielectric layer provided on the first dielectric layer and the electrode layer, and chucking a glass substrate using an electrostatic force; and a yoke plate positioned on the upper surface and chucking a mask using a magnetic force. The titanium cooling plate may further includes a first channel provided from the upper surface, a second channel provided from the first channel, and a titanium cover plate coupled to the first channel. The titanium cooling plate may provide a cooling flow path using the second channel.

Abstract: A light path control device includes a substrate, a viewing angle control member including light-shielding patterns patterned on the substrate at regular intervals, and a lens assembly that is formed on the viewing angle control member and includes a plurality of lenses, wherein the light-shielding patterns include electrochromic elements to implement a light-shielding mode or a light-transmitting mode, and a display device including the light path control device.

Abstract: A display apparatus can include a panel which includes a plurality of sub pixels and a plurality of touch electrodes, a first driving circuit which supplies a driving signal to the panel in a driving period and holds the driving signal in the stand-by period, and a second driving circuit which supplies a mutual sensing signal to the panel and supplies a self-sensing signal to the panel in the stand-by period.

Abstract: A display apparatus may include a display area and a non-display area with a cutting surface, a light emitting diode, an encapsulation structure in the display area and a part of the non-display area, a touch structure on the encapsulation structure and comprising first and second touch dielectric layers and first and second electrodes, a routing line formed of a same layer and same material as the second touch electrode, and a second touch pad disposed on a first touch pad and formed of a same layer and same material as the routing line and the second touch electrode. The first touch pad may be formed of a same layer and same material as the source or drain electrode of a transistor. The second touch pad may be connected to the first touch pad via an opening in the at least one of the first and second touch dielectric layers.

Abstract: A pixel can include a light emitting diode; a driving transistor including a gate electrode connected to a first node between a high potential voltage line and a second node, the driving transistor being configured to drive the light emitting diode; a storage capacitor connected between the first node and a third node; a first transistor connected between the third node and a data line, the first transistor including a gate electrode connected to a scan signal line; a second transistor connected between the first node and the second node, and including a gate electrode connected to the scan signal line; a third transistor connected between the third node and a fourth node, the third transistor including a gate electrode connected to an emission signal line. Also, the pixel can include a voltage divider configured to internally generate a reference voltage and output the reference voltage to the fourth node.

Abstract: A display device includes a piezoelectric element vibrated according to input audio signals, a display panel configured to display an image, and an elastic member configured to connect a portion of the piezoelectric element and the display panel to transmit a vibration of the piezoelectric element to the display panel to improve sound quality in a display device which emits a sound from a display panel.