原始名称记载: Samsung Display Co., LTD.

A manufacturing method of a window glass includes forming a stack structure in which a resin is applied between mother glasses, curing a portion of the applied resin by irradiating the stack structure with rays, forming groove patterns on the mother glasses by dipping the stack structure including the cured resin into an etching solution, and cutting the stack structure.

A mask includes a first silicon nitride layer and a first reinforcing layer, where the first silicon nitride layer has a first pattern for deposition of a display panel. The first reinforcing layer is formed on the first silicon nitride layer and has a second pattern corresponding to the first pattern, where a brittleness of the first reinforcing layer is lower than a brittleness of the first silicon nitride layer.

A deposition mask includes a mask frame with a cell opening defined therein and a membrane disposed on the mask frame. The membrane includes a cell region disposed on the cell opening, a plurality of pixel openings is defined in the cell region to be connected to the cell opening, and an interfacial residual stress between the mask frame and the membrane is in a range of about −30 MPa to about 30 MPa.

Provided are a deposition apparatus, a method of manufacturing a display panel using the deposition apparatus, and an electronic device manufactured by using the deposition apparatus. The deposition apparatus includes a deposition source configured to provide a deposition material onto a substrate, a substrate chuck configured to support the substrate such that the substrate faces the deposition source, a mask chuck disposed between the deposition source and the substrate chuck and configured to support a deposition mask such that the deposition mask faces the substrate, a substrate chuck driver configured to move the substrate chuck such that the substrate is positioned on the deposition mask, and a chuck pressurizing portion configured to apply pressure to a central portion of the substrate chuck such that the substrate chuck is convexly deformed toward the deposition mask.

A deposition quality control method includes: inputting information on a first deposition time, forming a (N−2)encapsulation on a (N−2)substrate and a (N−1)encapsulation on a (N−1)substrate during the first deposition time, measuring a deposition thickness each of a (N−2)encapsulation layer and a (N−1)encapsulation layer, calculating a compensation time which satisfies Equations 1 and 2 below, calculating a second deposition time by adding the compensation time to the first deposition time, and forming a (N)encapsulation layer on a (N)substrate during the second deposition time, Y=AX B+, < ⁢ >Equation where in Equation 1, Y denotes a deposition thickness of the (N)encapsulation layer, A denotes deposition rate, and X denotes the compensation time, B=α*D ( )-α*D+, < ⁢ >Equation where in Equation 2, Ddenotes the thickness of the (N−1)encapsulation layer, Ddenotes the thickness of the (N−2)encapsulation layer, and α denotes a weighted value.

An apparatus for manufacturing a bending panel of a display includes a lower mold having a first member on which a target panel is placed, an upper mold disposed adjacent the lower mold and including a second member including a first surface to press a portion of the target panel and a second surface having a first slope with respect to the first surface, and side molds disposed at opposite sides of the lower mold and each having a third member with a third surface complementary to the second surface of the second member. The first slope is smaller than about 90 degrees.

A gate driver includes a first output stage through a N-th output stage and a sensing stage. Each of the first output stage through the N-th output stage is configured to output a gate signal in response to a control node. The sensing stage includes a hold transistor, which is turned on in response to the voltage of the control node, and is configured to sense a threshold voltage of the hold transistor of the sensing stage.

A pixel includes a (1-1)-th emission control transistor including a first semiconductor pattern and a first emission control gate electrode overlapping a (1-1)-th emission control channel area of the first semiconductor pattern, a (2-1)-th emission control transistor including a second semiconductor pattern and a second emission control gate electrode overlapping a (2-1)-th emission control channel area of the second semiconductor pattern, a first emission control signal line configured to transmit a first emission control signal and connected to the first emission control gate electrode, a second emission control signal line configured to transmit a second emission control signal and connected to the second emission control gate electrode, a first light emitting element connected to the (1-1)-th emission control transistor and configured to emit light of a first color, and a second light emitting element connected to the (2-1)-th emission control transistor and emit light of a second color.

A pixel includes a light emitting element, a first switching element connected to a first node, a second node, and a third node, a first capacitor connected to the first node and a fourth node, a second capacitor connected to the fourth node and the third node, a second switching element applying a data voltage to the first capacitor, a third switching element applying a reference voltage to the first node, a fourth switching element receiving an initialization gate signal and an initialization voltage and connected to an anode electrode of the light emitting element, a fifth switching element receiving a first emission signal, a first electrode and a first power voltage and connected to the second node, a sixth switching element receiving a second emission signal and connected to the third node and the anode electrode, and a seventh switching element applying the reference voltage to the fourth node.

A pixel includes a light-emitting element which emits light based on a driving current and includes a first electrode and a second electrode which receives a low power voltage, a driving transistor which generates the driving current and includes a gate connected to a first node, a first terminal connected to a second node, a second terminal connected to a third node, and a body, a body capacitor which includes a first terminal connected to the body of the driving transistor and a second terminal, and a body transistor which includes a gate which receives a body gate signal, a first terminal connected to the second terminal of the body capacitor, and a second terminal connected to the third node.

A display apparatus includes a display panel and a display panel driver. The display panel includes a pixel including a light-emitting element and a driving switching element. The display panel driver determines an image transition of a display image of the display panel and changes a voltage applied to the driving switching element in a frame after the image transition when the image transition occurs.

A display device includes a display panel including a first sub-pixel, a gate driver that provides a sensing control signal having a first voltage applied to the first sub-pixel in a first sensing period and a sensing control signal having a second voltage different from the first voltage applied to the first sub-pixel in a second sensing period, a data driver that receives a first sensing voltage from the first sub-pixel through a sensing line in the first sensing period and a second sensing voltage from the first sub-pixel through the sensing line in the second sensing period and a driving controller that controls the data driver and the gate driver and senses a characteristic of the first sub-pixel based on the first sensing voltage and the second sensing voltage.

A display device includes: a display panel in which pixels are arranged in a display area to display an image; and a gate driver configured to supply gate scan signals to the pixels on a horizontal line-by-horizontal line basis, wherein from among the pixels, pixels that are on a same horizontal line along each gate line are configured to initialize a gate electrode, a first electrode and a second electrode of a first transistor to an emission initialization voltage in response to a previous gate initialization signal supplied to pixels of a previous horizontal line and a current compensation gate signal from among the gate scan signals in a first period, to initialize the second electrode of the first transistor to an initialization voltage in response to a current gate initialization signal and the current compensation gate signal from among the gate scan signals in a second period.

A display device includes a first region and a second region each including a plurality of pixels, and a plurality of wires connected to the plurality of pixels, respectively, to transmit a signal, where the number of pixels per unit area in the second region is less than the number of pixels per unit area in the first region, and the number of wires per unit area in the second region is less than the number of wires per unit area in the first region.

A light emitting element according to an embodiment includes a first semiconductor layer, a stress relief layer disposed on the first semiconductor layer, a light emitting layer disposed on the stress relief layer, and a second semiconductor layer disposed on the light emitting layer, and the light emitting element further includes an absorption layer above or below the light emitting layer and absorbing light of a wavelength band corresponding to a bandgap energy of the stress relief layer.

A display device includes a cathode disposed on a pixel circuit layer, a first anode, a first light-emitting element including a first emission stack, a first anode connection electrode, a first cathode connection electrode, an adhesive layer disposed between the first anode and the first anode connection electrode and between the cathode and the first cathode connection electrode, a first anode bridge electrode in contact with the first anode and the first anode connection electrode, and a cathode bridge electrode in contact with the cathode and the first cathode connection electrode. A planarization layer forming an uppermost layer of the pixel circuit layer includes a first anode undercut formed along an edge of the first anode between the planarization layer and a lower surface of the first anode, and a cathode undercut formed along an edge of the cathode between the planarization layer and a lower surface of the cathode.

A display device includes: a substrate including a light emitting area and a non-light emitting area adjacent to the light emitting area; a circuit layer on the substrate; a light emitting element in the light emitting area on the circuit layer and including a first electrode, a light emitting layer including quantum dots and on the first electrode, and a second electrode on the light emitting layer; a pixel defining layer in the non-light emitting area on the circuit layer, and defining a pixel opening exposing at least a portion of an upper surface of the first electrode and where the light emitting layer is located; and a hydrogen injection layer surrounding a side surface of the pixel defining layer and including silicone compound.

Provided is a display device including a lower substrate, a bonding electrode disposed on the lower substrate, a reflective electrode disposed on the bonding electrode, and a light-emitting element disposed on the reflective electrode, wherein the reflective electrode includes a reflective layer disposed between the bonding electrode and the light-emitting element and having a shape corresponding to that of the light-emitting element in a plan view, and a capping film covering a side surface of the reflective layer.

A display device includes a cathode extending in a first direction, an anode spaced apart from the cathode by a first gap in a second direction intersecting the first direction, and a light-emitting element electrically connected to the cathode and the anode. A second gap in the second direction between the cathode and the anode facing each other is greater than the first gap.

A display device includes an anode electrode; a cathode electrode disposed on the anode electrode; a light-emitting element disposed between the anode electrode and the cathode electrode; and an auxiliary electrode surrounding a side surface of the light-emitting element. The light-emitting element includes a bonding electrode connected to the anode electrode; a light-emitting member including a first semiconductor layer connected to the bonding electrode, a second semiconductor layer connected to the cathode electrode and disposed on the first semiconductor layer, and an active layer disposed between the first and second semiconductor layers; and an insulating film covering at least a side surface of the light-emitting member. A portion of the auxiliary electrode that surrounds the side surface of the light-emitting element is disposed above an upper surface of the active layer.