Abstract: A locking device is disclosed of a seat back capable of preventing generation of a clearance between a striker and a latch. The locking device of a seat back includes: a hinge pin installed in a case; a first latch part rotatably installed through the hinge pin with respect to the case and having a fork for coupling to a striker; a second latch part rotatably installed through the hinge pin with respect to the case and having a restraint for preventing a flow of the striker; an interlocking structure for an interlock behavior between the first latch part and the second latch part; a first return spring configured to provide a restorative force in a locking direction with respect to the first latch part; and a second return spring configured to provide a restorative force in a locking direction with respect to the second latch part.

Abstract: The present disclosure relates to a seat-back locking device, and the seat-back locking device may include: a frame part installed in a seat back and having an opening into which a striker fixed to a vehicle body is inserted; and a latch fork rotatably installed in the frame part and configured to open or close the opening so as to restrict or release the striker within the opening; and the frame part may include a steel plate configured to allow at least one portion of the latch fork to be insertion-fitted thereinto to support the latch fork in forward and rearward directions of a vehicle, when the latch fork closes the opening, thereby stably fixing the latch fork and the striker.

Abstract: The present disclosure relates to a seat-back locking device, and the seat-back locking device may include a frame part installed in a seat back and having an opening into which a striker fixed to a vehicle body is inserted; a latch fork rotatably installed in the frame part and configured to open or close the opening so as to restrict or release the striker within the opening; and an auxiliary latch rotatably installed in the frame part to rotate together with the latch fork, having a rotation clearance with the latch fork in a rotational direction, and configured to bring the striker into close contact with the latch fork, thereby reducing moving and noise of the seat back.

Abstract: The present disclosure relates to a track lever assembly structure of a seat, which is capable of preventing in advance a lock release phenomenon due to a problem that a rear seat passenger's foot is caught by causing an assembly position between a track lever and a locking assembly to be set within the seat rail, and of changing an assembly structure for interlocking operation between the track lever and the locking assembly into a fastening structure having an interlocking operation method using a holder hinge-coupled to the inside of a moving rail, thereby minimizing the number and weight of related parts and simplifying an assembly process.

Abstract: The present application relates to a preservative comprising polylysine and caprylyl glyceryl ether and the use thereof, and provides a preservative for a skin external preparation, which exhibits excellent antimicrobial or preservative effects against bacteria and fungi, and a cosmetics composition comprising the preservative.

Abstract: Provided is a high voltage transformer for outputting a high voltage using AC commercial power as an input in a switching power supply apparatus. The high voltage transformer includes a case, a bobbin, a pair of cores and a voltage distribution PCB. In the case, the inside of the case is subjected to molding treatment in the state in which a bobbin and a voltage distribution PCB are assembled in the case, and a top surface at one side of the case is formed lower than that at the other side of the case so that assembly holes are formed in a center and both sides at the one side of the case. In the bobbin, through-holes are formed in a center and both sides of the bobbin, respectively, and a winding part is formed on an upper outside of the center of the bobbin.

Abstract: The present invention relates to a plasma display apparatus and image processing method thereof. According to the present invention, the plasma display apparatus includes a scan driving unit and a sustain driving unit which have a sustain driving circuit for allowing a peaking pulse to be included in one sustain pulse so that a plurality of discharges are generated by one sustain pulse when a sustain pulse is supplied to a PDP and predetermined electrodes of the PDP.

Abstract: The present invention relates to a plasma display apparatus and, more particularly, to a plasma display apparatus in which the ability to represent gray levels can be improved and halftone noise can be reduced by improving a plasma display apparatus and image processing method thereof. According to the present invention, the plasma display apparatus includes a motion detection unit that detects motion information of input image signal data, and a halftoning unit that halftones the image signal data by using at least one or more of a dithering method and an error diffusion method according to the motion information received from the motion detection unit.

Abstract: Disclosed herein is an apparatus for driving a plasma display panel in which a gray scale inversion phenomenon can be prevented. According to the present invention, the apparatus for driving the PDP includes an error diffusion unit for diffusing error of data received from an inverse gamma correction unit, a gray scale inversion check unit connected to the inverse gamma correction unit, for checking whether a gray scale value of the data received from the inverse gamma correction unit is a gray scale value where a gray scale inversion phenomenon is generated, and generating a 1-bit control signal according to the check result, an adder disposed between the error diffusion unit and the gray scale inversion check unit, for adding the 1-bit control signal to lower bits of the data received from the error diffusion unit, and a dithering unit for performing dithering by using the lower bits received from the adder.

Abstract: A system and method for processing a gray level in a display device performs a random error diffusion operation on the video data using a first random coefficient value and a random dithering operation on the error-diffused video data using a second random coefficient value.

Abstract: An apparatus and method for processing a gray scale in a display device is provided. In the gray scale processing method, a video data is randomly error-diffused by using random coefficients, and the error-diffused video data is dithered by using average picture level (APL) masks, thereby enhancing a gray scale expression and minimizing an error diffusion noise.

Abstract: The present invention relates to a method and apparatus for driving a plasma display panel. The method for driving a plasma display panel, the method including the steps of: tracing an average locus by using luminous centers existing at each gray scale; extracting gray scales corresponding to the luminous centers existing within a predetermined range of the average locus; and deducing non-extracted gray scales by using the extracted gray scales.

Abstract: Discloses herein is a method and apparatus for processing video data of a display device in which dithering noise generating when a motion picture is displayed can be minimized. According to the present invention, the method of processing the video data of the display device includes the steps of comparing data of an ith frame (i is a natural number) and data of a (i+1)th frame to determine whether the data of the (i+1)th frame is a motion picture or a still image, and employing a different dithering method depending upon the determination result of the motion picture or the still image.