Abstract: A top-emitting subpixel structure may include at least one bank structure defining a plurality of emissive areas, and an emissive structure located in each emissive area. The subpixel structure may have a subpixel length and a subpixel width less than the subpixel length, a ratio of the subpixel length to the subpixel width defining a subpixel aspect ratio. Each emissive area may have an emissive area length and an emissive area width shorter than the emissive area length, a ratio of the emissive area length to the emissive area width defining an emissive area aspect ratio. The subpixel length may define a primary axis when the subpixel aspect ratio is greater than the emissive area aspect ratio; otherwise, the emissive area length may define the primary axis. At least a majority of the emissive areas may be arranged successively widthwise along a secondary axis perpendicular to the primary axis.

Abstract: The display device of the present invention includes, in the following order toward a viewer: a display panel; a semi-transparent mirror; a Pancharatnam-Berry lens configured to cause one-handed circularly polarized light incident thereon that is left-handed circularly polarized light or right-handed circularly polarized light to converge while causing opposite-handed circularly polarized light incident thereon to diverge; and a circularly polarized light-selective reflector.

Abstract: A light-emitting structure includes a substrate, a sub-pixel stack over a surface of the substrate, and a bank including a first bank portion and a second bank portion. The sub-pixel stack has an emissive stack including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The second bank portion is between the first bank portion and the sub-pixel stack, and the bank surrounding at least the emissive stack and the first electrode layer forms an interior space above the sub-pixel stack.

Abstract: A light emitting structure comprises a substrate, a sub-pixel stack over a surface of the substrate, a bank surrounding the sub-pixel stack and forming an interior space above the sub-pixel stack, a first material filling the interior space and having a first refractive index, and a second material over the first material and having a second refractive index substantially higher than the first refractive index. The sub-pixel stack comprises an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The second electrode layer has a third refractive index substantially matched to the first refractive index.

Abstract: A light emitting structure includes a pixel layer having at least one subpixel, a microlens layer having at least one microlens, the at least one microlens aligned with the at least one subpixel for providing a narrowly-confined on-axis emission profile along an on-axis direction, a first filler material layer and a second filler material layer between the pixel layer and the microlens layer, an interface between the first filler material layer and the second filler material layer configured for reflecting a portion of off-axis emissions from the at least one subpixel by total internal reflection (TIR).

Abstract: A composite lens system may include one or more first optical elements configured to provide a first focal length selected from a first continuous range of focal lengths, as well as one or more second optical elements configured to provide a discrete focal length selected from a plurality of discrete focal lengths. The one or more first optical elements and the one or more second optical elements may be configured in series such that the composite lens system provides an output focal length based on a combination of the selected first focal length and the selected discrete focal length.

Abstract: An optical system and, specifically an HMD, is disclosed for increasing brightness efficiency of light transmitted from a display. By including one polarization selective mirror between a half mirror and a display and another polarization selective mirror between the half mirror and a lens, brightness efficiency is increased without a substantial increase in thickness.

Abstract: A light-emitting structure includes a substrate, a sub-pixel stack, a cover layer over the sub-pixel stack, and at least one interface between the substrate and the cover layer. The at least one interface has an interface roughness. The sub-pixel stack includes an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stack is over the substrate and configured to emit light including a scattering component caused by the interface roughness and a cavity component separate from the scattering component. A ratio of a luminance of the scattering component to a luminance of the cavity component increases with a viewing angle relative to a display normal. An optical power of the scattering component is a fraction of an optical power of the cavity component.

Abstract: An optical system and, specifically an HMD, is disclosed for increasing brightness efficiency of light transmitted from a display. By including one polarization selective mirror between a half mirror and a display and another polarization selective mirror between the half mirror and a lens, brightness efficiency is increased without a substantial increase in thickness.

Abstract: A top-emitting subpixel structure may include at least one bank structure defining a plurality of emissive areas, and an emissive structure located in each emissive area. The subpixel structure may have a subpixel length and a subpixel width less than the subpixel length, a ratio of the subpixel length to the subpixel width defining a subpixel aspect ratio. Each emissive area may have an emissive area length and an emissive area width shorter than the emissive area length, a ratio of the emissive area length to the emissive area width defining an emissive area aspect ratio. The subpixel length may define a primary axis when the subpixel aspect ratio is greater than the emissive area aspect ratio; otherwise, the emissive area length may define the primary axis. At least a majority of the emissive areas may be arranged successively widthwise along a secondary axis perpendicular to the primary axis.

Abstract: A wide field of view display device employs curved optical components for enhanced performance with a compact arrangement. A wide field of view display includes a curved display device; a first curved lens having a display side and an exit side, wherein the display side is facing the curved display device; a first plurality of Fresnel facets disposed on the display side of the first curved lens; a second curved lens having a display side and an exit side, wherein the display side is facing the exit side of the first curved lens; and a second plurality of Fresnel facets disposed on the display side of the second curved lens, wherein the first plurality of Fresnel facets is configured to focus light from the curved display device on the second plurality of Fresnel facets, and wherein the second plurality of Fresnel facets is configured to focus light from the first plurality of Fresnel facets on a central image point.

Abstract: A light-emitting structure includes a substrate, a sub-pixel stack, a cover layer over the sub-pixel stack, and at least one interface between the substrate and the cover layer. The at least one interface has an interface roughness. The sub-pixel stack includes an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stack is over the substrate and configured to emit light including a scattering component caused by the interface roughness and a cavity component separate from the scattering component. A ratio of a luminance of the scattering component to a luminance of the cavity component increases with a viewing angle relative to a display normal. An optical power of the scattering component is a fraction of an optical power of the cavity component.

Abstract: A composite lens system may include one or more first optical elements configured to provide a first focal length selected from a first continuous range of focal lengths, as well as one or more second optical elements configured to provide a discrete focal length selected from a plurality of discrete focal lengths. The one or more first optical elements and the one or more second optical elements may be configured in series such that the composite lens system provides an output focal length based on a combination of the selected first focal length and the selected discrete focal length.

Abstract: A light-emitting structure includes a substrate, a sub-pixel stack over a surface of the substrate, and a bank including a first bank portion and a second bank portion. The sub-pixel stack has an emissive stack including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The second bank portion is between the first bank portion and the sub-pixel stack, and the bank surrounding at least the emissive stack and the first electrode layer forms an interior space above the sub-pixel stack.

Abstract: A light emitting structure comprises a substrate, a sub-pixel stack over a surface of the substrate, a bank surrounding the sub-pixel stack and forming an interior space above the sub-pixel stack, a first material filling the interior space and having a first refractive index, and a second material over the first material and having a second refractive index substantially higher than the first refractive index. The sub-pixel stack comprises an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The second electrode layer has a third refractive index substantially matched to the first refractive index.

Abstract: An LCD apparatus includes a first substrate and a second substrate. A first TFT array is deposited on the first substrate. A first array of drive electrodes is also deposited on the first substrate. A second TFT array is deposited on the second substrate. A second array of drive electrodes is deposited on the second substrate. The first TFT array, the second TFT array, the first array of drive electrodes and the second array of drive electrodes are configured to enable pixels or sub-pixels of the LCD apparatus to modulate light. The first TFT array may at least partially overlap the second TFT array, and the first array of drive electrodes may at least partially overlap the second array of drive electrodes, from an LCD viewing perspective.

Abstract: A light emitting structure comprises a substrate, a plurality of sub-pixel stacks over the substrate emitting different colors, a bank surrounding the sub-pixel stacks and forming an interior space above the sub-pixel stacks, a first filler material in the interior space, a second filler material over the first filler material, and an interface between the first filler material and the second filler material. Each of the sub-pixel stacks including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stacks each have a substantially uniform distance between the emissive layer and the first electrode layer. Each of the sub-pixel stacks emits a main emission peak at one direction normal to a top surface of each of the sub-pixel stacks through the interface.

Abstract: A light emitting structure includes a pixel layer having at least one subpixel, a microlens layer having at least one microlens, the at least one microlens aligned with the at least one subpixel for providing a narrowly-confined on-axis emission profile along an on-axis direction, a first filler material layer and a second filler material layer between the pixel layer and the microlens layer, an interface between the first filler material layer and the second filler material layer configured for reflecting a portion of off-axis emissions from the at least one subpixel by total internal reflection (TIR).

Abstract: A light emitting structure comprises a substrate, a plurality of sub-pixel stacks over the substrate emitting different colors, a bank surrounding the sub-pixel stacks and forming an interior space above the sub-pixel stacks, a first filler material in the interior space, a second filler material over the first filler material, and an interface between the first filler material and the second filler material. Each of the sub-pixel stacks including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stacks each have a substantially uniform distance between the emissive layer and the first electrode layer. Each of the sub-pixel stacks emits a main emission peak at one direction normal to a top surface of each of the sub-pixel stacks through the interface.

Abstract: A light-emitting layer structure that maximizes constructive interference for light emission by varying a phase shift introduced by reflective electrodes. The light-emitting layer structure includes a first and second optical cavity including a first and second reflective electrode; a first and second partially transparent electrode; and a first and second emissive layer (EML) disposed between the first and second reflective electrodes and the first and second partially transparent electrodes, wherein the first EML emits light having a first wavelength; wherein the first reflective electrode introduces a first phase shift, depending on the first wavelength, on reflection of light emitted by the first EML; and wherein the second EML emits light having a second wavelength and the second reflective electrode introduces a second phase shift, depending on the second wavelength, on reflection of light emitted by the second EML, and the first phase shift is different from the second phase shift.