Abstract: A touch display device includes a device housing, a display module, and an optical touch module. The display module is located within the device housing and has a display region and a peripheral region surrounding the display region. The optical touch module is configured on the display module. Besides, the optical touch module includes a light guide element, a light source, and a photo sensor. The light guide element has a top surface and includes a light guide portion and an outer frame portion. The light guide portion is located on the display region. The outer frame portion extends from an edge of the light guide portion and is connected to the device housing. The light source supplies light to the light guide portion. The photo sensor receives the light from the light guide portion. The outer frame portion covers the light source and the photo sensor.

Abstract: A light guiding plate and a backlight module and a display device applying the light guiding plate are provided, in which a structure of prisms on a light emergence surface of the light guiding plate is designed by, for example, adopting a mixed structure of prisms in different specifications, regulating the specifications of the prisms, such as a vertex angle and a corresponding reprint ratio, varying the reprint ratio of the prisms with respect to a distance from a light incident surface of the light guiding plate, or combining the aforementioned design solutions, thereby adjusting a light emitting effect of the light guiding plate, increasing uniformity of backlight, and improving display quality of the display device.

Abstract: Alight guide plate assembly for a backlight module is provided. The light guide plate assembly includes a plurality of light guide plates. Each light guide plate has a top face, at least one side face, and at least one connecting part. The connecting part is formed on the side face of the light guide plate. The connecting part has a connecting face, wherein the adjacent connecting faces are connected to each other. The top faces of the plurality of light guide plates are coplanar. A distance between the connecting face and the top face is ? to 1/20 of the thickness of the light guide plate.

Abstract: A light guiding plate and a backlight module and a display device applying the light guiding plate are provided, in which a structure of prisms on a light emergence surface of the light guiding plate is designed by, for example, adopting a mixed structure of prisms in different specifications, regulating the specifications of the prisms, such as a vertex angle and a corresponding reprint ratio, varying the reprint ratio of the prisms with respect to a distance from a light incident surface of the light guiding plate, or combining the aforementioned design solutions, thereby adjusting a light emitting effect of the light guiding plate, increasing uniformity of backlight, and improving display quality of the display device.

Abstract: An optical touch system includes a display unit, a touch operation unit, and a data processing unit. The display unit is configured for displaying at least a general image frame and displaying a specific pattern frame alternately with the at least a general image frame. The touch operation unit is configured for scanning a part of the specific pattern frame and capturing image data corresponding to the part of the specific pattern frame for transmission. The data processing unit is configured for translating the image data into a coordinate position. Moreover, an optical touch device and an optical touch method also are provided.

Abstract: A backlight unit includes a light guide plate and a plurality of light sources. A side of the light guide plate is provided with an optical microstructure including a plurality of convex lens members aligned along the side. The height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are different from those of the convex lens members in the side regions of the optical microstructure. For example, the height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are larger than the height-to-pitch ratios of the convex lens members in the side regions of the optical microstructure. The light sources may be light emitting diodes (LED) directed toward the optical microstructure.

Abstract: A light emitting diode contains a package structure and a light emitting diode die embedded in the package structure. The package structure has an elliptic bottom surface having a semi-major axes and a semi-minor axis and a semi-ellipsoidal surface connecting and surrounding the edge of the elliptic bottom surface, wherein the maximum height of the ellipsoidal surface from the elliptic bottom surface is between the semi-major axes and the semi-minor axis.

Abstract: A light emitting diode contains a package structure and a light emitting diode die embedded in the package structure. The package structure has an elliptic bottom surface having a semi-major axes and a semi-minor axis and a semi-ellipsoidal surface connecting and surrounding the edge of the elliptic bottom surface, wherein the maximum height of the ellipsoidal surface from the elliptic bottom surface is between the semi-major axes and the semi-minor axis.

Abstract: A light emitting diode contains a package structure and a light emitting diode die embedded in the package structure. The package structure has an elliptic bottom surface having a semi-major axes and a semi-minor axis and a semi-ellipsoidal surface connecting and surrounding the edge of the elliptic bottom surface, wherein the maximum height of the ellipsoidal surface from the elliptic bottom surface is between the semi-major axes and the semi-minor axis.

Abstract: A diffusion plate for use with a lighting module is provided. The diffusion plate includes a substrate, a plurality of circular diffusion structures, and at least one star diffusion structure. The circular diffusion structures are disposed on one face of the substrate in array. Each circular diffusion structure includes a plurality of first partial reflecting units. The first partial reflecting units are disposed on the substrate in circular distribution. The outer arcs of adjacent circular diffusion structures together form a star region. The at least one star diffusion structure includes a plurality of second partial reflecting units. The second partial reflecting units are disposed in the star region on the face of the substrate, wherein the second partial reflecting units are distributed in star distribution.

Abstract: A light source includes a carrier, a plurality of solid-state light-emitting devices, a light-incoupling component, a first reflector, and a plurality of second reflectors. The solid-state light-emitting devices and the light-incoupling component are configured on the carrier. The light-incoupling component has a bottom surface, a top surface, a plurality of side surfaces adjoining the bottom surface and the top surface, and a through hole extending from the bottom surface to the top surface. The solid-state light-emitting devices are located in the through hole. The first reflector covers the through hole. The second reflectors are configured on the side surfaces. Light emitted from the solid-state light-emitting devices enters the light-incoupling component via a sidewall of the through hole and leaves the light-incoupling component via the top surface thereof.

Abstract: A manufacture method of a light emitting device is provided. Firstly, at least one circuit board is provided. A plurality of light emitting packages, a first undetermined power input end and a second undetermined power input end are disposed at the circuit board. The light emitting packages are electrically connected to the first undetermined power input end and the second undetermined power input end. Each of the first undetermined power input end and the second undetermined power input end has at least two first pads. The first pads of each of the first undetermined power input end and the second undetermined power input end are electrically isolated from each other. Next, the first undetermined power input end is selected to be a power input region for inputting an external power signal. Then, the first pads of the second undetermined power input end are electrically connected to each other.

Abstract: A touch display device includes a device housing, a display module, and an optical touch module. The display module is located within the device housing and has a display region and a peripheral region surrounding the display region. The optical touch module is configured on the display module. Besides, the optical touch module includes a light guide element, a light source, and a photo sensor. The light guide element has a top surface and includes a light guide portion and an outer frame portion. The light guide portion is located on the display region. The outer frame portion extends from an edge of the light guide portion and is connected to the device housing. The light source supplies light to the light guide portion. The photo sensor receives the light from the light guide portion. The outer frame portion covers the light source and the photo sensor.

Abstract: An optical plate structure for a touch panel includes an optical plate, at least a light source, and at least an optical camera. A light-emitting surface of the optical plate includes a plurality of micro-structure. The light source is disposed beside a vertical side of the optical plate and emits a first light entering the optical plate. The optical plate guides the first light and emits a second light from the light-emitting surface. The optical camera is disposed beside the optical plate or in a corner of the optical plate and above the light-emitting surface, for detecting a third light incident on the light camera. The second light is reflected by an object touching the optical plate to become the third light. The optical plate structure for a touch panel may be utilized in a touch display panel or a touch liquid crystal display panel.

Abstract: A light guide plate microstructure is provided. The light guide plate microstructure is located on at least one surface of the light guide plate and has a plurality of groove units. Each groove unit has multiple V-shaped grooves, and each V-shaped groove has an apex angle within a range of about 80°-160°. Furthermore, at least two of the V-shaped grooves of a groove unit have different apex angles.

Abstract: A diffusion plate for use with a lighting module is provided. The diffusion plate includes a substrate, a plurality of circular diffusion structures, and at least one star diffusion structure. The circular diffusion structures are disposed on one face of the substrate in array. Each circular diffusion structure includes a plurality of first partial reflecting units. The first partial reflecting units are disposed on the substrate in circular distribution. The outer arcs of adjacent circular diffusion structures together form a star region. The at least one star diffusion structure includes a plurality of second partial reflecting units. The second partial reflecting units are disposed in the star region on the face of the substrate, wherein the second partial reflecting units are distributed in star distribution.

Abstract: A manufacture method of a light emitting device is provided. Firstly, at least one circuit board is provided. A plurality of light emitting packages, a first undetermined power input end and a second undetermined power input end are disposed at the circuit board. The light emitting packages are electrically connected to the first undetermined power input end and the second undetermined power input end. Each of the first undetermined power input end and the second undetermined power input end has at least two first pads. The first pads of each of the first undetermined power input end and the second undetermined power input end are electrically isolated from each other. Next, the first undetermined power input end is selected to be a power input region for inputting an external power signal. Then, the first pads of the second undetermined power input end are electrically connected to each other.

Abstract: A touch panel including a light guide plate, a plurality of light sources and a plurality of detectors is provided. The light guide plate has a top surface, a bottom surface, a plurality of side surfaces and a plurality of light incident surfaces. The light sources are disposed at the light incident surfaces of the light guide plate, and the light sources have a photocell total reflection angle (?) and a photocell vertical divergence angle (?) corresponding to the light incident surfaces of the light guide plate, wherein ?<?<60°, ? is a critical angle of the total reflection angle of the light guide plate, and ?<50°. The detectors are disposed corresponding to the light sources so as to receive photocell signals from the light sources.

Abstract: A manufacture method of a light emitting device is provided. Firstly, at least one circuit board is provided. A plurality of light emitting packages, a first undetermined power input end and a second undetermined power input end are disposed at the circuit board. The light emitting packages are electrically connected to the first undetermined power input end and the second undetermined power input end. Each of the first undetermined power input end and the second undetermined power input end has at least two first pads. The first pads of each of the first undetermined power input end and the second undetermined power input end are electrically isolated from each other. Next, the first undetermined power input end is selected to be a power input region for inputting an external power signal. Then, the first pads of the second undetermined power input end are electrically connected to each other.

Abstract: A backlight unit includes a light guide plate and a plurality of light sources. A side of the light guide plate is provided with an optical microstructure including a plurality of convex lens members aligned along the side. The height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are different from those of the convex lens members in the side regions of the optical microstructure. For example, the height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are larger than the height-to-pitch ratios of the convex lens members in the side regions of the optical microstructure. The light sources may be light emitting diodes (LED) directed toward the optical microstructure.