Abstract: A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.

Abstract: An apparatus for manufacturing a display apparatus includes a chamber, a mask assembly located in the chamber to face a display substrate, and including at least one deposition area, and a deposition source located in the chamber to face the mask assembly, wherein the mask assembly includes a mask frame including an opening area, at least one shield stick intersecting the opening area, and at least one mask sheet covering at least part of the opening area and at least partially overlapping the at least one shield stick, and each of the at least one mask sheet includes a first body including a hole area including pattern holes and covering the at least one deposition area, and a second body connected to the first body and fixed to the mask frame, and a maximum width of the first body is greater than a maximum width of the second body.

Abstract: Provided are a method and device for recognizing a speaker by using a resonator. The method of recognizing the speaker includes receiving a plurality of electrical signals corresponding to a speech of the speaker from a plurality of resonators having different resonance bands; obtaining a difference of magnitudes of the plurality of electrical signals; and recognizing the speaker based on the difference of magnitudes of the plurality of electrical signals.

Abstract: A display device includes: a first main pixel being configured to emit light of a first color, and a second main pixel being configured to emit light of a second color; and a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color, wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

Abstract: A mask frame assembly includes a mask, a frame body, at least one support stick, and a fixing portion. The frame body includes a support portion supporting the mask and includes an opening through which the mask is exposed, and the at least one support stick supports the mask in the opening and is connected to the support portion by the fixing portion. An end of the at least one support stick is accommodated in at least one accommodation portion defined in the support portion. The at least one accommodation portion includes an accommodation groove and an insertion hole. The fixing portion is disposed between the at least one accommodation portion and the opening of the frame body. The end of the at least one support stick is stably connected to the support portion by the fixing portion and the at least one accommodation portion.

Abstract: An apparatus for manufacturing a display device includes a mask assembly that includes a mask frame including an opening area, at least one shield stick fixed on the mask frame in a tensioned state across the opening area of the mask frame, and a plurality of mask sheets covering at least part of the opening area of the mask frame and at least partially overlapping the at least one shield stick. The at least one shield stick includes a first shield member, a second shield member at least partially overlapping the first shield member, and a third shield member at least partially overlapping the first shield member. The second shield member and the third shield member are disposed above the first shield member and are closer to the plurality of mask sheets than the first shield member is close to the plurality of mask sheets.

Abstract: A display apparatus includes a substrate including a first display area and a second display area. The second display area includes a transmission area, a plurality of first opposite electrodes and a plurality of second opposite electrodes each corresponding to the first display area, and a plurality of third opposite electrodes and a plurality of fourth opposite electrodes each corresponding to the second display area and surrounding at least a portion of the transmission area. A shape of each of the plurality of first opposite electrodes is the same as that of each of the plurality of third opposite electrodes.

Abstract: A chip bonding apparatus includes: a bonding contact configured to apply a bonding force to a semiconductor chip disposed on a substrate, the bonding contact having a first surface configured to face the semiconductor chip and a second surface opposite the first surface, the bonding contact including a protruding portion on the first surface, the protruding portion configured to contact the semiconductor chip, the bonding contact including a cavity formed in a region vertically overlapping the protruding portion, a heater disposed to be in contact with the second surface of the bonding contact to cover the cavity, and configured to heat the bonding contact, a bonding head disposed above the heater and configured to transmit the bonding force, and a partition wall structure protruding from a bottom surface of the cavity to partition an inner space of the cavity.

Abstract: A mask sheet has: a deposition area; clamping areas spaced apart from each other in a first direction with the deposition area therebetween; and a welding area between each of the clamping areas and the deposition area. Each of the clamping areas includes: a body portion having a first side spaced apart from the welding area in the first direction and a second side connected to each of both sides of the first side to cross the first side; a first clamping portion protruding from the first side; and a second clamping portion protruding from the second side.

Abstract: A display apparatus includes a substrate including a first display area and a second display area. The second display area includes a transmission area, a plurality of first opposite electrodes and a plurality of second opposite electrodes each corresponding to the first display area, and a plurality of third opposite electrodes and a plurality of fourth opposite electrodes each corresponding to the second display area and surrounding at least a portion of the transmission area. A shape of each of the plurality of first opposite electrodes is the same as that of each of the plurality of third opposite electrodes.

Abstract: A display device includes: a first main pixel being configured to emit light of a first color, and a second main pixel being configured to emit light of a second color; and a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color, wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

Abstract: A mask assembly includes a frame including a frame opening, a mask disposed on the frame, the mask including a deposition part including main deposition openings overlapping the frame opening, and a non-deposition part adjacent to the deposition part, wherein a coupling opening is formed between the deposition part and the non-deposition part, and a stick including a support part overlapping the non-deposition part and a pattern part overlapping the coupling opening, the pattern part protruding from the support part and including sub deposition openings, wherein the stick is disposed between the mask and the frame.

Abstract: A display device includes: a first main pixel being configured to emit light of a first color, and a second main pixel being configured to emit light of a second color; and a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color, wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

Abstract: A display device includes: a first main pixel being configured to emit light of a first color, and a second main pixel being configured to emit light of a second color; and a first auxiliary pixel and a second auxiliary pixel on the second area, the first auxiliary pixel being configured to emit light of the first color, and the second auxiliary pixel being configured to emit light of the second color, wherein a first virtual line passing through a center of an emission area of the first main pixel and a center of an emission area of the first auxiliary pixel is parallel to a first direction, and a second virtual line passing through a center of an emission area of the second main pixel and a center of an emission area of the second auxiliary pixel crosses the first direction.

Abstract: Provided are a directional acoustic sensor that detects a direction of sound, a method of detecting a direction of sound, and an electronic device including the directional acoustic sensor. The directional acoustic sensor includes a sound inlet through which a sound is received, a sound outlet through which the sound received through the sound inlet is output, and a plurality of vibration bodies arranged between the sound inlet and the sound outlet, in which one or more of the plurality of vibration bodies selectively react to the sound received by the sound inlet according to a direction of the received sound.

Abstract: Provided are a method and device for recognizing a speaker by using a resonator. The method of recognizing the speaker includes receiving a plurality of electrical signals corresponding to a speech of the speaker from a plurality of resonators having different resonance bands; obtaining a difference of magnitudes of the plurality of electrical signals; and recognizing the speaker based on the difference of magnitudes of the plurality of electrical signals.

Abstract: Provided are a method and device for recognizing a speaker by using a resonator. The method of recognizing the speaker includes receiving a plurality of electrical signals corresponding to a speech of the speaker from a plurality of resonators having different resonance bands; obtaining a difference of magnitudes of the plurality of electrical signals; and recognizing the speaker based on the difference of magnitudes of the plurality of electrical signals.

Abstract: A display panel includes: a substrate including a main display area and a corner display area; a main pixel located in the main display area and including at least one first main sub-pixel, at least one second main sub-pixel, and at least one third main sub-pixel; and an auxiliary pixel located in the corner display area and including a first auxiliary sub-pixel, a second auxiliary sub-pixel, and a third auxiliary sub-pixel. The number of the at least one first main sub-pixel is greater than each of the number of the at least one second main sub-pixel and the number of the at least one third main sub-pixels, and the first auxiliary sub-pixel is located closer to the main display area than the second auxiliary sub-pixel and the third auxiliary sub-pixel.

Abstract: A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.

Abstract: A metal mask includes a first area in which a plurality of main openings spaced apart from each other is defined and a second area in which a plurality of sub-openings spaced apart from each other and having planar areas different from the main openings is defined. Here, a gap between a main opening of the plurality of main openings and a sub-opening of the plurality of sub-openings, the main opening and the sub-opening being adjacent to each other in a first direction, of the main openings and the sub-openings is equal to or greater than about 0.5 times and equal to or less than about 5.0 times of a gap of the main openings, which are adjacent to each other in the first direction, of the plurality of main openings.