Abstract: A display device including a reflective display panel, a plurality of electrical or optical element layers, and at least one light-emitting element is provided. The electrical or optical element layers are stacked above the reflective display panel. One of the electrical or optical element layers is a light guide plate. The light-emitting element is disposed beside the light guide plate. A plurality of transparent medium layers are respectively located between every two adjacent ones of the reflective display panel and the electrical or optical element layers and above the electrical or optical element layer most away from the reflective display panel among the electrical or optical element layers. At least one of the transparent medium layers above the light guide plate is a gas layer.

Abstract: A focusing solar light guide module includes a lens array plate and a light guide plate. The lens array plate includes at least one lens. Each lens receiving and focusing a sunlight has an upper curved surface and a lower plane surface. The light guide plate has an upper plane surface parallel to the lower plane surface of the lens array plate and a lower microstructure surface. The lower microstructure surface includes at least one depressed area and at least one connection area parallel to the upper plane surface of the light guide plate. The connection area is connected between the adjacent depressed areas having a depressed point, a first inclined plane and a second inclined plane. The first inclined plane and the second inclined plane are respectively connected between the depressed point and the adjacent connection area.

Abstract: A display apparatus is provided. A display unit has a display region. A protecting cover has a patterned region, wherein the patterned region does not overlap the display region. A light guide plate is disposed between the display unit and the protecting cover and has a first light scattering region and a second light scattering region. The first light scattering region at least partially overlaps the display region, and the second light scattering region at least partially overlaps the patterned region. A light emitting unit emits a light beam to the light guide plate. After the light beam enters the light guide plate, a part of the light beam is scattered to the display region by the first light scattering region and another part of the light beam is scattered to the patterned region by the second light scattering region.

Abstract: A reflective display apparatus includes a reflective display panel, a light guide plate, an elastic ring, a light permeable liquid and a holding device. The elastic ring is sandwiched between the reflective display panel and the light guide plate, and it spaces the reflective display panel and the light guide plate apart defines a space between the reflective display panel and the light guide plate. The light permeable liquid is located in the space. The holding device holds the reflective display panel and the light guide plate, thereby pressing against the elastic ring and making the elastic ring deform.

Abstract: A front light module including a light guide plate and a light source is provided. The light guide plate includes a first surface, a second surface and a light entering surface. The second surface is opposite the first surface. The light entering surface has at least one area that is adjacent to the first surface and the second surface. The light source is disposed beside the light entering surface and is configured to illuminate the light guide plate. The at least one area and an optical axis of the light source form a first angle. The first angle is less than 90 degrees. A display module is also provided.

Abstract: A focusing solar light guide module includes a lens array plate and a light guide plate. The lens array plate includes at least one lens. Each lens receiving and focusing a sunlight has an upper curved surface and a lower plane surface. The light guide plate has an upper plane surface parallel to the lower plane surface of the lens array plate and a lower microstructure surface. The lower microstructure surface includes at least one depressed area and at least one connection area parallel to the upper plane surface of the light guide plate. The connection area is connected between the adjacent depressed areas having a depressed point, a first inclined plane and a second inclined plane. The first inclined plane and the second inclined plane are respectively connected between the depressed point and the adjacent connection area.

Abstract: A display includes a reflective display module, a light guide plate, at least one light source and a cover lens. The light guide plate includes a first light guide surface opposite to the reflective display module. The first light guide surface includes a light outgoing region and a peripheral region surrounding the light outgoing region. The light source is used for emitting a light to the light guide plate. The peripheral region of the first light guide surface is connected to the cover lens. The light outgoing region and the cover lens are spatially separated, and define an air gap therebetween.

Abstract: A reflective display includes a display panel, a first color filter layer, a second color filter layer, a light guide plate, and a light source. The first color filter layer is disposed on the display panel; the second color filter layer is disposed on the display panel and arranged with the first color filter layer in parallel. The light source is disposed beside the side surface of the light guide plate and is capable of emitting light, in which and the light is reflected by the internal side of the first surface of the light guide plate, such that the light enters the first color filter layer, and the light is reflected by the display panel and emitted from the first color filter layer, in which optical path of the light passes through the first color filter layer and does not pass through the second color filter layer.

Abstract: An electronic reading device and an operating method for the same are disclosed. The electronic reading device includes a front light module and a reflective display. The front light module includes a white light source and a color light source. The color light source is selected from a group consisting of a red light source, a green light source and a blue light source. The reflective display is disposed on a side of the front light module.

Abstract: A front light module including a light guide plate, a light source, a transparent cover lens and an annular connecting unit is provided. The light guide plate includes a first surface, a plurality of micro-structure groups, a second surface and a light entering surface. The first surface includes a first area and a second area surrounding the first area. The micro-structure groups are disposed on the first surface and within the first area. The micro-structure groups have a plurality of adjacent micro-structures, and the micro-structures groups are separate from each other. The light entering surface connects the first surface and the second surface. The light source is disposed beside the light entering surface. The annular connecting unit connects the second area of the first surface and the transparent cover lens, and keeps a gap between the micro-structure groups and the transparent cover lens. A display device is also provided.

Abstract: A front light guide includes a light guide plate, a light source, a functional material layer and a first adhesive layer. The light guide plate has a side surface, a first surface and a second surface opposite to the first surface. The light guide plate has a first refractive index. The light source faces the side surface and configured to emit light into the light guide plate. The functional material layer is disposed at a side adjacent to the first surface, and has a third refractive index. The first adhesive layer is interposed between the light guide plate and the functional material layer so as to adhere the light guide plate with the functional material layer. The first adhesive layer has a second refractive index. The first refractive index is greater than the second refractive index, and the second refractive index is greater than the third refractive index.

Abstract: A pixel array includes a substrate and color filter patterns. The substrate has pixel areas. Each of the pixel areas has a first sub-pixel region, a second sub-pixel region, a third sub-pixel region and a fourth sub-pixel region. The first, the second, the third and the fourth sub-pixel regions are arranged sequentially in the clockwise direction. The color filter patterns are disposed on the pixel areas of the substrate and located in the first, the second, the third and the fourth sub-pixel regions. The color filter patterns located in the first, the second, the third and the fourth sub-pixel regions of each of the pixel areas respectively have different colors. The color filter patterns respectively disposed in four adjacent pixel areas and located in the first, the second, the third and the fourth sub-pixel regions adjacent to each other and arranged in the clockwise direction have the same color.

Abstract: A display device includes a display panel, a light guide plate (LGP), a plurality of rod-shaped light guide structures, and a light source. The display panel has a display surface. The LGP is disposed above the display surface of the display panel and has an upper surface and a lower surface opposite to each other and a light incident surface connecting the upper surface and the lower surface. The rod-shaped light guide structures are disposed on the lower surface of the LGP and expose a portion of the lower surface. Each of the rod-shaped light guide structures protrudes outside or is embedded into the lower surface. The light source is disposed beside the light incident surface.

Abstract: A display apparatus is provided. A display unit has a display region. A protecting cover has a patterned region, wherein the patterned region does not overlap the display region. A light guide plate is disposed between the display unit and the protecting cover and has a first light scattering region and a second light scattering region. The first light scattering region at least partially overlaps the display region, and the second light scattering region at least partially overlaps the patterned region. A light emitting unit emits a light beam to the light guide plate. After the light beam enters the light guide plate, a part of the light beam is scattered to the display region by the first light scattering region and another part of the light beam is scattered to the patterned region by the second light scattering region.

Abstract: A display device including a reflective display panel, a plurality of electrical or optical element layers, and at least one light-emitting element is provided. The electrical or optical element layers are stacked above the reflective display panel. One of the electrical or optical element layers is a light guide plate. The light-emitting element is disposed beside the light guide plate. A plurality of transparent medium layers are respectively located between every two adjacent ones of the reflective display panel and the electrical or optical element layers and above the electrical or optical element layer most away from the reflective display panel among the electrical or optical element layers. At least one of the transparent medium layers above the light guide plate is a gas layer.

Abstract: A display includes a reflective display module, a light guide plate, at least one light source and a cover lens. The light guide plate includes a first light guide surface opposite to the reflective display module. The first light guide surface includes a light outgoing region and a peripheral region surrounding the light outgoing region. The light source is used for emitting a light to the light guide plate. The peripheral region of the first light guide surface is connected to the cover lens. The light outgoing region and the cover lens are spatially separated, and define an air gap therebetween.

Abstract: A display apparatus includes a display panel, a light guide plate, point light sources, a passivation layer and a first light adjusting layer. The light guide plate is disposed above the display panel and has an upper surface, an opposite lower surface, a light incident surface, a first and a second light guiding blocks. The display panel is disposed corresponding to the first light guiding block, and the second light guiding block extends outside the display panel. A portion of the upper surface located on the first light guiding block is an even surface. The first light guiding block is located between the passivation layer and the display panel. The first light adjusting layer is disposed on the second light guiding block and located on the upper surface or the lower surface. There is a first rough interface between the first light adjusting layer and the light guide plate.

Abstract: The collimating optical element includes a light incident surface and a light emission curved surface. The light incident surface receives a light emitted by a light source. The light emission curved surface and a first plane are intersected to form a first curve. The first curve has a plurality of first curve segments, and each first curve segment includes at least three first tangent points. After passing each first tangent point along a connecting line of the light source and each first tangent point, the light exits along a first collimation axis, and an included angle formed between the first collimation axis and an optic axis is greater than ?15° and smaller than ?15°. Thus, the light after passing the collimating optical element forms a one-dimensional collimating light.

Abstract: A display apparatus includes a display panel, a light guide plate, point light sources, a passivation layer and a first light adjusting layer. The light guide plate is disposed above the display panel and has an upper surface, an opposite lower surface, a light incident surface, a first and a second light guiding blocks. The display panel is disposed corresponding to the first light guiding block, and the second light guiding block extends outside the display panel. A portion of the upper surface located on the first light guiding block is an even surface. The first light guiding block is located between the passivation layer and the display panel. The first light adjusting layer is disposed on the second light guiding block and located on the upper surface or the lower surface. There is a first rough interface between the first light adjusting layer and the light guide plate.

Abstract: A front-light module includes at least one point light source, a light source modulation apparatus and a light guide plate. The light source modulation apparatus includes a body and a plurality of uniform illumination microstructures. The body includes a light incident surface and a light emission surface. The point light source is disposed beside the light incident surface, and the light emission surface is opposite to the light incident surface. The uniform illumination microstructures are disposed on the light emission surface of the body. Each uniform illumination microstructure is arc-shaped.