3401 patents
Page 11 of 171
Utility
Light emitting display device, light emitting display panel, driving circuit, and driving method
24 Oct 23
Disclosed are a light emitting display device, a light emitting display panel, a driving circuit, and a driving method.
SeYoung Kim
Filed: 24 Jun 21
Utility
Touch driving circuit, touch display device, and touch driving method thereof
24 Oct 23
A touch driving circuit, a touch display device, and a touch driving method are discussed, which are capable of reducing power consumption by dividing into an active mode and an idle mode according to a touch sensing type, shortening the touch driving period in the idle mode and reducing some operations related to the image displaying function.
SeungChul Park, KiJeong Lee, MinKi Kim, ChangHwan Seo
Filed: 24 Jun 21
Utility
Display apparatus and data processing method thereof
24 Oct 23
A display apparatus includes a display panel including a first surface including first pixels and a second surface including second pixels, the first surface contacting the second surface at a panel center thereof, a first source integrated circuit (IC) sequentially latching first image data, which is to be applied to the first surface, in a first direction facing the panel center at a panel edge of the first surface, and a second source IC sequentially latching second image data, which is to be applied to the second surface, in a second direction facing the panel center at a panel edge of the second surface, wherein the first direction is opposite to the second direction.
Sung Chul Ha, Hyun Chul Kim, Mi So Kim
Filed: 1 Jul 22
Utility
Pixel circuit and display device including the same
24 Oct 23
A pixel circuit of a display device includes a driving element comprising a first electrode connected to a first node to which a pixel driving voltage is applied, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode connected to a fourth node, and configured to supply an electric current to a light-emitting element; a first switch element configured to be turned on according to a gate-on voltage and supply a data voltage to the second node; a first capacitor connected between the second node and the third node; a second capacitor connected between the third node and the fourth node; and a third capacitor connected between the fourth node and the first node, or between the fourth node and a power line to which the pixel driving voltage is applied.
Ki Min Son, Chang Hee Kim
Filed: 29 Jun 22
Utility
Display device for calculating compression loss level of compensation data and driving method thereof
24 Oct 23
A display device may include areas having a plurality of subpixels.
Seho Lim, Sunwoo Kwun
Filed: 28 Jul 22
Utility
Gate driving circuit and display device using the same
24 Oct 23
A gate driving circuit includes a Q node controller generating a voltage of a Q node by using a first clock, a second clock, a third clock, and a start signal; a QB node controller generating a voltage of a QB node by using the second clock and the third clock; and an output part including a pull-up TFT and a pull-down TFT and generating an output signal including a first pulse interval, of a gate-on voltage, synchronized with a part of the first clock according to the voltages of the Q node and the QB node.
Sanghyun Lim, Nakwoo Kim, Donghyang Lee
Filed: 2 Aug 22
Utility
Flexible display device
24 Oct 23
A flexible display device may include a display panel including a display area and a bending area extending from one side of the display area to be bent, a back plate disposed on a rear surface of the display panel, a cushion tape disposed on a rear surface of the back plate, a driver integrated circuit (IC) disposed in a pad portion extending from the bending area, and a functional tape adhered between the cushion tape and the back plate and disposed to face the driver integrated circuit, so that effects capable of improving an EMI shielding function with a low cost, together with an adhesive function, and deriving an optimum efficiency, may be provided.
Insik Shin, Jongseok Cha
Filed: 10 Dec 20
Utility
Gate driver and display device using the same
24 Oct 23
A gate driver according to an embodiment and a display device using the same are discussed.
Ki Won Son, Seok Noh, Ki Min Son, Seo Jun Yeom
Filed: 7 Jul 22
Utility
Display device
24 Oct 23
A display device according to embodiments of the present disclosure may include a display panel, a data driver configured to drive by dividing a diving period into an active period and a blank period, and apply a parking voltage during the blank period, and a controller configured to vary a driving frequency in frame units according to an input image, and, according to the driving frequency, to operate a frame as a refresh frame for writing the data voltage, or operate by dividing the frame into the refresh frame and a hold frame, wherein a voltage level of the parking voltage varies according to the driving frequency.
HyunKyo Lim, DongSup Sim
Filed: 28 Sep 22
Utility
Data driving unit and display device including the same
24 Oct 23
A display device can include a display panel configured to display an image, a scan driving circuit configured to supply a scan signal to the display panel, and a data driving circuit configured to supply a data voltage to the display panel.
Won Suk Lee
Filed: 27 Sep 22
Utility
Light emitting display apparatus
24 Oct 23
A light emitting display apparatus includes a pixel driving circuit including a driving transistor and an anode reset capacitor connected to a gate of the driving transistor and a light emitting device configured to emit light with a current supplied through the driving transistor.
JungChul Kim, HoYoung Lee, Sungwook Chang, Jaesung Kim
Filed: 3 Oct 22
Utility
Gate driver and organic light emitting display device including the same
24 Oct 23
A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.
Se-Hwan Kim, Tae-Keun Lee, Min-Su Kim, Hae-Jun Park, Young-Taek Hong
Filed: 16 May 22
Utility
Display device
24 Oct 23
A display device may include: a display panel configured to be driven in an active time and a blank time within one frame and including pixels each having a driving transistor; a data driver configured to provide a first data voltage based on an image data to the pixels in the active time; and a timing controller configured to compensate for the image data based on a first compensation data for a threshold voltage of the driving transistor and a second compensation data for a mobility of the driving transistor, the timing controller including a data compensator, a non-volatile memory, and volatile memories.
Jeonghyo Park, Minho Cho
Filed: 19 Dec 22
Utility
Sound apparatus
24 Oct 23
A sound apparatus includes a piezoelectric device configured to vibrate based on a sound signal input thereto, a vibration member, and an elastic member configured to connect at least a portion of the piezoelectric device to the vibration member.
Jaehun Ye
Filed: 14 Jun 21
Utility
Display device
24 Oct 23
A display device according to an exemplary aspect of the present disclosure may include a display panel including a non-display area, a back cover supporting the display panel on one surface of the display panel, a roller for winding or unwinding the display panel and the back cover and side covers covering a portion of the non-display area of the display panel and a portion of a side surface of the back cover corresponding thereto, and including a plurality of unit side covers to thereby support the non-display area of the display panel when the roller is wound.
Sangwon Yoon
Filed: 19 Oct 21
Utility
Organic light emitting diode and organic light emitting device having the same
24 Oct 23
The present disclosure relates to an organic light emitting diode including an emitting material layer that has a host and two different delayed fluorescent materials whose energy levels are controlled and an organic light emitting device including the diode.
Chun-Ki Kim, Joong-Hwan Yang, Bo-Min Seo, Dae-Wi Yoon
Filed: 8 Jul 22
Utility
Display device having multiple transistors
24 Oct 23
Disclosed is a display device having improved reliability.
Kyeong Ju Moon, So Young Noh
Filed: 15 Jun 21
Utility
Display apparatus including structure for protecting from external materials
24 Oct 23
A display apparatus of the present disclosure includes a display panel including an active area and an inactive area.
Byung-Jun Lim, Hyun-Chul Um
Filed: 1 Dec 20
Utility
Display panel and display device
24 Oct 23
A display device includes a display panel including an active area and a non-active area surrounding the active area; a front cover disposed in an upper portion of the display panel; a back cover disposed in a lower portion of the display panel; a dam disposed to surround an outer periphery of the active area in the non-active area of the display panel; a pad area spaced apart from the dam in the non-active area and disposed in an edge of one side of the non-active area; at least one inspection line spaced apart from the dam in the non-active area and disposed to surround a portion of an outer periphery of the dam; and at least one align mark integral with the inspection line.
WonJu Kwon, KeunYoung Son, JaeHyun Jin, ByungJun Lim, TaeRyong Kim
Filed: 27 Dec 20
Utility
Transparent display device
24 Oct 23
A transparent display device is disclosed, which may improve transmittance in a non-display area and at the same reduce resistance of power lines.
KiSeob Shin, ChangSoo Kim, EuiTae Kim, Soyi Lee
Filed: 21 Dec 20