Abstract: A backlight module includes a base plate, a plurality of light-emitting elements and a plurality of lenses. The light-emitting elements are disposed on the base plate. The lenses are disposed on the base plate and respectively correspond to the light-emitting elements. Each of the lenses has a side surface and a plurality of diffusing portions. The diffusing portions are located on the side surface. At least one of the diffusing portions of each of the lenses is located between adjacent two of the corresponding lenses.

Abstract: A backlight module including a plurality of first light-emitting devices and a light guide plate is provided. The light guide plate has a light-emitting surface, a bottom surface, and a first light-receiving side. The first light-receiving side connects the light-emitting surface and the bottom surface, and the light-emitting devices are disposed on the first light-receiving side along a first direction. The light guide plate further includes a plurality of prisms and a plurality of microstructure groups. The prisms are disposed on the bottom surface. The microstructure groups include microstructures, and the microstructures respectively connect two of the prisms adjacently disposed. Each of the microstructures has a long axis. Each of the prisms has a ridgeline extending along a first path. At least one of the microstructure groups has a long axis extending along a second path, which is different from the first path.

Abstract: A display module including display panel, first flexible connectors, second flexible connectors and printed circuit board (PCB) is provided. The first flexible connectors are electrically connected to the display panel. The second flexible connectors are respectively electrically connected to the first flexible connectors, and the second flexible connectors are electrically connected to the PCB.

Abstract: A light-emitting device including a light-emitting unit and a second lens is provided. The second lens includes light-emitting surface, bottom surface, side surfaces and accommodation hole. The bottom surface is disposed opposite to the light-emitting surface, and the side surfaces are respectively connected to the light-emitting surface and the bottom surface. The accommodation hole passes through the second lens and accommodates light-emitting unit. A light-emitting module and a backlight module are also provided.

Abstract: A backlight module including a plurality of first light-emitting devices and a light guide plate is provided. The light guide plate includes light-emitting surface, bottom surface and a first light-receiving side. The bottom surface is corresponded to the light-emitting surface, and the first light-receiving side connects the light-emitting surface and the bottom surface. The first light-emitting devices are disposed on the first light-receiving side, arranged along a first direction. The light guide plate further includes a plurality of prisms and a plurality of microstructure groups. The prisms are disposed on the bottom surface and extend along the first direction. The microstructure group includes microstructures, and the microstructures are respectively connecting two of the prisms adjacently disposed. Each of the microstructures has a ridgeline, and the ridgeline is parallel to a second direction, which is different from the first direction. A manufacture method of a light guide plate is also provided.

Abstract: The present invention provides a light guide plate having a light exit surface, a light incident surface and a bottom surface. In the said light guide plate, the bottom surface is opposite to the light exit surface, and the light incident surface connects the light exit surface and the bottom surface. A plurality of light guide structures are formed on the bottom surface, and each of the light guide structure includes a front mound protruding above the bottom surface, a back mound protruding above the bottom surface and located at the side of the front mound opposite to the light incident surface, and a concave eye-shaped portion caved in from the bottom surface and located between the front mound and the back mound.

Abstract: The present invention discloses a light source device applied to a display module. The light source device produces an emission light field which forms a light field shape when projected in a normal direction onto a planar surface substantially parallel to a placement plane of the light source device. The light field shape includes a light field center, more than three intense light regions, and more than three dim light regions. The intense light regions and the dim light regions are alternately disposed, and radially arranged around the light field center. A light brightness at a predetermined distance from the light field center in the dim light region is less than 90% of a light brightness at the predetermined distance from the light field center in the intense light region.

Abstract: A light reflective cover includes a concave main reflective surface and a ridge having a connecting surface, a ridge-top reflective surface, a light source end, and a light emitting end. The light source end and the light emitting end are opposite to each other. The connecting surface is opposite to the ridge-top reflective surface and connected to the main reflective surface. The ridge-top reflective surface extends between the light source end and the light emitting end. The ridge-top reflective surface includes a step for dividing the ridge-top reflective surface into a first part near the light source end and a second part near the light emitting end. The second part recesses with respect to the first part toward the connecting surface. The endpoint of the second part at the light emitting end does not protrude beyond an extension line along a first arc formed by the first part.

Abstract: A light source device includes a lens and a light source. The lens has a light-emitting top surface, and the light source is for generating light and is disposed below the lens. Light from the light source is refracted by the lens to cause a light distribution to be produced when projected onto a planar surface parallel to the light-emitting top surface. A light source system includes a plurality of the light source devices disposed in a matrix arrangement. Through the light distribution produced by the lens of the light source devices and the light source system, high contrast effects may be generated and subsequently replace conventional light distributions.

Abstract: A backlight module includes a back plate, light sources, protrusive pieces and a reflective sheet. The light sources are disposed on the back plate. The protrusive pieces protrude from the back plate. Each of the protrusive pieces is located between at least two adjacent light sources. The reflective sheet is disposed on the back plate and has through holes. Each of the light sources passes through a corresponding through hole. The reflective sheet further has cutting line groups. Each of the cutting line groups includes two cutting lines intersected at an intersection point. Each of the intersection points is substantially aligned with a corresponding protrusive piece. Portions of the reflective sheet adjacent to the cutting line groups are warped upwards from the back plate, and respectively resist the protrusive pieces.

Abstract: A display device includes a display module, an outer frame, an active engaging unit, and a passive engaging unit. The display module has at least one side surface. The outer frame surrounds the display module and has last least one inner surface facing the side surface, wherein a gap is formed between the inner surface and the side surface. The active engaging unit extends from the display module into the gap and further extends along the gap. The passive engaging unit is disposed on the inner surface and protrudes toward the side surface. The active engaging unit engages with the passive engaging unit to restrict the relative movement between the display device and the outer frame.

Abstract: A metal mask is provided. The metal mask includes a mask portion and an end portion. The mask portion has a mask body and an outer frame surrounding and being connected to the mask body. The end portion connects one end of the mask portion. At least one of the mask portion and the end portion has at least one recessed portion located outside the mask body. The ratio of a total capacity of the at least one recessed portion to a total volume of the mask portion and the end portion is between 0.087 and 0.667.

Abstract: The present provides a back plate including a plate and a side wall. The side wall extends out from an edge of the plate, wherein the side wall includes a wall body, a first bending sheet, and a second bending sheet. The first bending sheet is formed by bending outward from a top end of the wall body along a first rotating direction. The second bending sheet is formed by bending an end of the first bending sheet that is away from the top end of the wall body inward along a second rotating direction contrary to the first rotating direction, wherein at least a portion of the second bending sheet overlaps the first bending sheet. The second bending sheet includes a fixing part disposed on a face of the second bending sheet that faces away from the first bending sheet.

Abstract: A metal mask manufacturing method includes: (a) disposing a first anti-etching layer having a first void region on a first face of a substrate; (b) disposing a second anti-etching layer on a second face of the substrate opposite to the first face, wherein a second void region of the second anti-etching layer is corresponding to the first void region; (c) performing a first etching on the first face and the second face to form a first concave part and a second concave part separated by a part of the substrate; (d) disposing a protecting layer filled into the first concave part; (e) performing a second etching from the second face to produce a void between the first concave part and the second concave part; (f) removing the second anti-etching layer; and (g) performing a third etching from the second face.

Abstract: A light source device includes a lens and a light source disposed under the lens. The lens has a light-emitting top surface and a bottom surface opposite to the light-emitting top surface. The bottom surface concaves towards the light-emitting top surface to form a hole and has a gouge surrounding the hole with an inclination towards the edge of the hole. The hole is formed from the surrounding of a first inner wall surface and a second inner wall surface. The light source is disposed below the bottom surface and corresponds to the hole.

Abstract: A light guide plate and a manufacturing method thereof are disclosed. The light guide plate includes a substrate, a screen-printed layer, and a light-solidified layer. The substrate has a first surface and a second surface, and the first surface and the second surface are opposite. The screen-printed layer is formed on the first surface of the substrate by a screen-printing process. The light-solidified layer is formed on the second surface of the substrate by a light-solidification and imprinting process. The screen-printed layer has a plurality of screen point patterns. The light-solidified layer has a plurality of micro-structures.

Abstract: A light guide bar and an optical touch panel utilizing the light guide bar are provided. The light guide bar is applied to an optical touch panel with a sensing area. The light guide bar includes a bar body and a plurality of prisms. The bar body has a first receiving end, a light-exiting surface, and a structure surface. The light-exiting surface is opposite to the structure surface and faces the sensing area while the first receiving end is connected between an end of the light-exiting surface and an end of the structure surface. The prisms are formed on the structure surface. Each prism includes a first surface and a second surface respectively having a first angle and a second angle with respect to the structure surface, wherein the second surface is closer to the first receiving end than the first surface, and the second angle is larger than or equal to the first angle.