Abstract: A display device comprises a substrate including a first sub-pixel, a second sub-pixel, and a third sub-pixel, the first sub-pixel, the second sub-pixel, and the third sub-pixel constituting a pixel, a first light resonance structure disposed in the first sub-pixel and configured to emit a first light using a first light resonance mode, a second light resonance structure disposed in the second sub-pixel and configured to emit a second light using a second light resonance mode, and a third light resonance structure disposed in the third sub-pixel and configured to emit a third light using a third light resonance mode.

Abstract: The embodiment relates to a semiconductor light emitting device for a display panel and a display device including the same. The semiconductor light emitting device can include a light emitting structure comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, a first electrode layer electrically connected to the first conductivity type semiconductor layer, a second reflective electrode layer electrically connected to the second conductivity-type semiconductor layer, a passivation layer disposed on the light emitting structure, a first reflective electrode layer disposed on a side surface of the light emitting structure. The first reflective electrode layer can include a first-first reflective electrode layer in contact with a side surface of the light emitting structure and a first-second reflective electrode layer connected to the first-first reflective electrode layer and disposed on the passivation layer.

Abstract: The present invention relates to a beam steering device for steering a beam without a physical movement, the beam steering device comprising: a light source unit for irradiating parallel light; and a phase control array for controlling a reflection angle of the parallel light irradiated from the light source unit, wherein the phase control array comprises a plurality of cells in a region where the parallel light is irradiated, and the reflection angle is controlled by controlling the phase of light reflected by each of the plurality of cells.

Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.

Abstract: A deposition apparatus, such as an ultra-fine pattern deposition apparatus is provided. A deposition apparatus includes a base substrate, a heating assembly, a deposition source material and a pattern guide. The heating assembly has at least a part thereof included in the base substrate. The deposition source material is disposed on the heating assembly. The pattern guide overlies the base substrate and has a portion thereof above the heating assembly and the deposition source material. The pattern guide has an opening including a laterally recessed lower region and an upper region. The opening extends from an upper surface of the base substrate to an upper surface of the pattern guide. The lower region of the opening is wider than the upper region of the opening, and the opening of the pattern guide is configured to guide a material emitted from the deposition source material to a target region on a target substrate that is spaced apart from the base substrate.

Abstract: The invention relates to a method for producing a holographic optical element by providing a recording stack comprising at least one recording element laminated on at least one supporting element, irradiating at least a part of the recording stack with at least one recording beam in an irradiating step, wherein during the irradiating step, the recording stack bends, providing a bending deviation threshold for the recording stack, and adjusting at least one first process parameter such that an expected maximum bending deviation of the recording stack does not exceed the bending deviation threshold, wherein the at least one first process parameter influences the bending behaviour of the recording stack during the irradiating step.

Abstract: An ultra-fine pattern deposition apparatus can include a base substrate; a photothermal converter disposed on or in the base substrate and configured to convert optical energy into thermal energy; a source part disposed on the photothermal converter; and a light reflector configured to reflect light based on a refractive index difference between the light reflector and the base substrate, and guide a source material emitted from the source part to a target region based on an opening in the light reflector and the photothermal converter being heated with the thermal energy from the photothermal converter, in which the opening in the light reflector includes a laterally recessed lower part and an upper part protruded from the laterally recessed lower part, and the laterally recessed lower part is between the upper part and the base substrate, and the photothermal converter is disposed between base substrate and the source part.

Abstract: The disclosure relates to a high-aperture-ratio microdisplay with a microcavity structure. The microdisplay comprises a substrate, unit pixels, driving elements, and organic light-emitting diodes. The organic light-emitting diodes each comprise: an anode, an organic emission layer, and a cathode. The anode is formed by sequentially stacking a reflecting electrode, a first dielectric layer, a second dielectric layer, and a transparent electrode. The organic emission layer is stacked over the anode. The cathode is stacked over the organic emission layer. The first dielectric layer and the second dielectric layer have contact portion that open at least one corner of the reflecting electrode. The anode is connected to the reflecting electrode through the contact portions.

Abstract: Provided is a back light unit for a display device that has a light guide film. The light guide film includes, for example, a light entering part at a first side; a light reflecting part disposed at a second side; and a light guiding part between the light entering part and the light reflecting part, wherein the light entering part selectively sends an incident light of an expanded light provided from a light source that satisfies a total reflection condition toward the light guiding part, and wherein the light reflecting part converts the incident light provided from the light guiding part into a collimated light and sends it to the light guiding part.

Abstract: Provided is an organic light emitting display panel including a transistor layer, first and second insulation film pattern, an anode electrode, an emission unit, and a cathode electrode. The transistor layer is disposed on a substrate. The first insulation film pattern is disposed at each pixel and disposed on an inter-layer insulation film covering the transistor layer. The second insulation film pattern has an area larger than an area of the first insulation film pattern and covers the first insulation film pattern. The anode electrode covers the second insulation film pattern and is provided with an edge having a round-shaped cross section. The emission unit covers the anode electrode and a cathode electrode is disposed on the emission unit.

Abstract: The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure suggests a flat panel display embedding an image sensor comprising: a display panel including a display area and a non-display area; and a directional optical unit having a length and a width corresponding to the display panel and a thickness, and attached on a top surface of the display panel, wherein the directional optical unit provides a sensing light to the display area, and wherein the sensing light is collimated and directionized to a predetermined direction.

Abstract: An organic light-emitting display device includes: a first substrate, a first electrode on the first substrate, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, wherein an area in which the first electrode, the light-emitting layer, and the second electrode are sequentially stacked is defined as a pixel, and wherein the light-emitting layer includes a low refractive layer disposed in a first area in the pixel.

Abstract: An organic light emitting display device includes a first electrode in an emission area of a subpixel; a pixel defining layer surrounding the first electrode in a non-emissive area of the subpixel; a light emitting layer on the first electrode; a second electrode on the light emitting layer; a first encapsulation layer on the second electrode; and a color filter on the first encapsulation layer in the subpixel.

Abstract: Discussed is a flat panel display device embedding an optical imaging sensor such as a fingerprint image sensor. The device includes: a display panel including a display area and a non-display area, and having a top surface; and a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel, wherein the directional optical unit provides a sensing light to the display area, and wherein the sensing light is collimated and directionized along a predetermined direction of the directional optical unit.

Abstract: An organic light-emitting display device and a method of manufacturing the same are provided. An organic light-emitting display device includes: first electrodes, a first pixel-defining layer configured to divide the first electrodes, a second pixel-defining layer on the first pixel-defining layer, an organic light-emitting layer on a first electrode among the first electrodes, and a second electrode on the organic light-emitting layer, wherein a width of the second pixel-defining layer is wider than a width of the first pixel-defining layer.

Abstract: The disclosure relates to a high-aperture-ratio microdisplay with a microcavity structure. The microdisplay comprises a substrate, unit pixels, driving elements, and organic light-emitting diodes. The organic light-emitting diodes each comprise: an anode, an organic emission layer, and a cathode. The anode is formed by sequentially stacking a reflecting electrode, a first dielectric layer, a second dielectric layer, and a transparent electrode. The organic emission layer is stacked over the anode. The cathode is stacked over the organic emission layer. The first dielectric layer and the second dielectric layer have contact portion that open at least one corner of the reflecting electrode. The anode is connected to the reflecting electrode through the contact portions.

Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.

Abstract: A deposition apparatus, such as an ultra-fine pattern deposition apparatus is provided. A deposition apparatus includes a base substrate, a heating assembly, a deposition source material and a pattern guide. The heating assembly has at least a part thereof included in the base substrate. The deposition source material is disposed on the heating assembly. The pattern guide overlies the base substrate and has a portion thereof above the heating assembly and the deposition source material. The pattern guide has an opening including a laterally recessed lower region and an upper region. The opening extends from an upper surface of the base substrate to an upper surface of the pattern guide. The lower region of the opening is wider than the upper region of the opening, and the opening of the pattern guide is configured to guide a material emitted from the deposition source material to a target region on a target substrate that is spaced apart from the base substrate.

Abstract: An ultra-fine pattern deposition apparatus can include a base substrate; a photothermal converter disposed on or in the base substrate and configured to convert optical energy into thermal energy; a source part disposed on the photothermal converter; and a light reflector configured to reflect light based on a refractive index difference between the light reflector and the base substrate, and guide a source material emitted from the source part to a target region based on an opening in the light reflector and the photothermal converter being heated with the thermal energy from the photothermal converter, in which the opening in the light reflector includes a laterally recessed lower part and an upper part protruded from the laterally recessed lower part, and the laterally recessed lower part is between the upper part and the base substrate, and the photothermal converter is disposed between base substrate and the source part.

Abstract: The present disclosure relates to a display for a personal immersion apparatus for embodying the virtual reality or the augmented reality. The present disclosure suggests a display for a personal immersion apparatus comprising: a display panel; and an imaging lens; wherein the display panel includes: a plurality of pixel areas disposed on a substrate; an emission area defined in the each pixel area; a non-emission area surrounding the emission area in the each pixel area; and a micro deflector configured to deflect lights scattered over the non-emission area from the emission area to a normal direction with respect to a surface of the substrate, and to provide the deflected lights to the imaging lens, and wherein the imaging lens is disposed apart from the display panel with a focal length of the imaging lens.