Patent application number | Description | Published |
20100053939 | Backlight module - A backlight module includes a frame, a diffuser, a first light source, and a light guiding plate. The diffuser is disposed in the frame. A plurality of diffusing particles is doped into the diffuser. The refractive index of the plurality of diffusing particles is less than that of the diffuser. Furthermore, the diffuser has a first light entrance surface and a light exit surface. The first light source is disposed in a long-axial direction of the diffuser and is located at a side of the first light entrance surface. The light guide plate is disposed at a side of the light exit surface. | 03-04-2010 |
20110157059 | Touch Display Panel and Touch Sensing Method Thereof - This disclosure relates to a touch display panel and more specifically to a borderless touch display panel. The touch display panel includes a Fresnel lens, a touch-sensing panel and a coordinate transforming module, wherein the flat display panel and the Fresnel lens are spaced apart by a distance. The flat display panel outputs an original image having an original coordinate system. The Fresnel lens is used to transform the original image into a display image to be viewed by the user, wherein the display image has a display coordinate system. The touch sensing panel will sense the user's touch and output a touch coordinate of a touch and the coordinate transforming module will transform the touch coordinate into an action coordinate based on a transformation parameter set. The transformation parameter set includes a magnification parameter and a shift parameter for compensating for the positional difference between the touch coordinate and the action coordinate due to the distance between the flat display panel and the Fresnel lens. | 06-30-2011 |
20110193794 | Touch Display Panel - A touch display panel includes a display panel, a second substrate, at least a first spacer and at least a touch sensing unit. The display panel includes a first substrate and a plurality of display units. The first substrate includes a display surface and a non-display surface, and the display units are disposed on the display surface. The second substrate is disposed opposite to the first substrate and is disposed on a side of the non-display surface of the first substrate. The first spacer is disposed between the first substrate and the second substrate to maintain a distance therebetween. The touch sensing unit includes a sensing conductive pad and a conductive unit, wherein a gap is disposed between the sensing conductive pad and the conductive unit. | 08-11-2011 |
20110298753 | OPTICAL TOUCH PANEL AND TOUCH DISPLAY PANEL AND TOUCH INPUT METHOD THEREOF - An optical touch panel includes a substrate, a single planar light generator, at least a retro reflector device, and a single photo sensor array. The substrate has a surface. The single planar light generator is disposed outside the surface of the substrate for generating a planar light, where the illuminating range of the planar light covers the range of the surface of the substrate. The retro reflector device is disposed on a side of the substrate for reflecting the planar light. The single photo sensor array is disposed outside the surface of the substrate for sensing the reflected planar light and generating reflected light distribution information. | 12-08-2011 |
20120133598 | TOUCH DISPLAY DEVICE - A touch display device includes a display panel, a light guide plate, at least an invisible light emitting device, and a first light path converting device. The light guide plate includes a plurality of microstructures to reflect an invisible light generated by the invisible light emitting device such that the invisible light passes through the display panel, reaching the first light path converting device. | 05-31-2012 |
20120300496 | Backlight Module - A backlight module includes a light guide plate, at least one light source, and a light-reflecting plate. The light guide plate includes a light-emitting surface, a bottom surface, a light-incident surface, and a guiding tilt surface. One end of guiding tilt surface and light-emitting surface are intersected at a first boundary, and the other end connects to a top edge of light-incident surface. The guiding tilt surface extends toward a direction of protruding the light-emitting surface. The horizontal distance between the first boundary and light-incident surface is L. The light-reflecting plate is disposed under the bottom surface. When the horizontal distance d between light-incident surface and an end of light-reflecting plate near light-incident surface is less than L, the horizontal distance between a vertical projection of the end on light-emitting surface and first boundary is not more than 0.5 mm. When d is more than L, x is at least 0.5 mm. | 11-29-2012 |
20130044514 | LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light guide plate includes a main body portion and inclined light guide portions having at least one recess. The main body portion has a first light incident surface, a bottom surface that is adjacent to the first light incident surface, and a light emitting surface that is opposite to the bottom surface. The inclined light guide portions disposed on the main body portion have a second light incident surface and at least one inclined surface. The second light incident surface is connected to the first light incident surface of the main body portion. The inclined surface is connected to the light emitting surface of the main body portion. At least one recess is formed between the inclined light guide portions. In addition, a wedge-shaped body can further be formed between the main body portion and the inclined light guide portions. | 02-21-2013 |
20130094243 | Sheetless Backlight Module, A Light Guide Plate for the Sheetless Backlight and Manufacturing Method Thereof - A sheetless backlight module and a light guide plate thereof are provided. The light guide plate includes a body and a plurality of light scattering units. The body has a bottom and a plurality of microstructures formed on the bottom and recessed in the body from the bottom. The pluralities of light scattering units are disposed in a plurality of spaces formed due to the plurality of microstructures recessed in the body. A manufacturing method of the light guide plate mentioned above includes forming the plurality of microstructures on the bottom of the body; preparing a fluid solution containing at least a diffusive reflective material; distributing the fluid solution on the bottom; driving the fluid solution to flow into the microstructures; removing the part of the fluid solution outside the microstructures; and solidifying the fluid solution to form the plurality of light scattering units. | 04-18-2013 |
20130188393 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a light coupling unit and a plurality of light emitting devices. The light guide plate has a light incident side. The light coupling unit includes a plurality of light coupling devices arranged in a side-by-side manner. Each light coupling device has a first side and a second side, and the first and second sides are opposite to each other. The second side is adjacent to the light incident side. Each light coupling device is configured to have a thickness gradually decreasing from the first side toward the second side. The light emitting devices are disposed beside the first sides of the light coupling devices. Another backlight module is also provided. | 07-25-2013 |
20130257810 | TOUCH DISPLAY DEVICE - A touch display device includes a display panel, a touch panel, a plurality of first light sources, a plurality of light sensors and at least one second light source. The display panel has a display surface. The touch panel is disposed above the display panel and includes a transparent part, a plurality of light guide parts configured to protrude from the surface of the transparent part thereby corporately forming a touch region on the surface. The first light sources and first light source is reflected by the light guide parts so as to emit above the touch region and be received by the light sensors. The second light source is configured to emit visible light beams, which is emitted out via the touch panel. | 10-03-2013 |
20130308337 | BACKLIGHT MODULE - A backlight module includes a light source, a photoluminescence layer, and an optical film. The light source is used to provide a light beam. The photoluminescence layer is excited by the light beam from the light source and generates an excitation light. The optical film overlaps the photoluminescence layer along a vertical projective direction. The optical film includes a substrate and a plurality of two-dimensional symmetrical micro-structures. The two-dimensional symmetrical micro-structures are disposed on at least one surface of the substrate. The excitation light is emitted through the two-dimensional symmetrical micro-structures. | 11-21-2013 |
20130343038 | Display Device and Display System Combined Thereof - A display device includes a backlight module, a display panel, a prism film, a light-splitting layer, and a grating layer. The light-splitting layer splits light into a first backlight group and a second backlight group, wherein the two groups are inclined in different directions relative to a light-emitting surface of the backlight module. The grating layer allows the first backlight group to pass while blocking the second backlight group. The prism film has a plurality of prisms disposed facing the display panel. Each prism has a first surface and a second surface, wherein the angle between the first surface and the normal line to the light-emitting surface is greater than the angle between the second surface and the normal line to the light-emitting surface. | 12-26-2013 |
20130343081 | Display Device and Display System Combined Thereof - A display device includes a backlight module, a display panel, and a prism film. The backlight module has a light-emitting surface and generates backlight along an average light-emitting direction that is inclined with respect to the light-emitting surface. The display panel is disposed above the light-emitting surface such that backlight from the backlight module passes through the display panel along the inclined direction. The prism film is disposed on one side of the display panel opposite to the backlight module, wherein the prism film has a plurality of prisms disposed side-by-side on one side of the prism film facing the display panel. An extending direction of the prisms at least partially traverses across the average light-emitting direction. Two sides of each prism are respectively a first surface and a second surface, wherein the first surface and the second surface are asymmetric and projection areas of the first surface and the second surface onto the prism film do not overlap. An angle between the first surface and a normal line to the light-emitting surface is greater than an angle between the second surface and the normal line to the light-emitting surface. | 12-26-2013 |
20140185321 | Light Guide Plate and Backlight Module - A light guide plate includes a plate body and a light incident portion, wherein the plate body has a top plate surface. The light incident portion is formed on a side of the plate body and has a thickness increasing as the light incident portion extends away from a center of the plate body. In addition, the light incident portion has a top surface connected to the top plate surface and lifted from the top plate surface to include an angle with the top plate surface. The top surface includes a first incline and a second incline, wherein the first incline connects to a side of the top plate surface and has a first average slope. The second incline has a side connected to a side of the first incline opposite to the top plate surface and has a second average slope larger than the first average slope. | 07-03-2014 |