Patent application number | Description | Published |
20110254434 | IMAGE DISPLAY APPARATUS - A display apparatus according to the present invention has a plurality of electroconductive layers outside of an image display area. Mutually adjacent ones of the electroconductive layers are electrically connected by a resistor. The resistor has a first region, and a second region which is more separated from the image display area than the first region. The area of the second region per unit length in the direction separating from the image display area is smaller than the area of the first region. | 10-20-2011 |
20110317096 | PLANAR LIGHTING DEVICE AND LIQUID-CRYSTAL DISPLAY DEVICE WITH THE SAME - According to one embodiment, a planar lighting device includes a plurality of light sources, a light guide layer provided on a light-emission side of the light sources and configured to guide light from the light sources, and a reflective layer provided on an opposite side of the light guide layer to the light sources and through which a part of the light is transmitted. The light guide layer includes light-scattering properties for scattering light and is formed so that optical transmittance T based on the light-scattering properties is 40%≦T≦93%. | 12-29-2011 |
20120134161 | LIGHTING APPARATUS - According to one embodiment, an lighting apparatus includes a base member, a light source configured to emit visible light, and a translucent cover including a translucent region which covers at least a front surface of the light source and emits the light emitted from the light source to the outside. The light source is provided on a front surface flat section of the base member, a luminous intensity of the light emitted from the light source has a directionality which is strong in a normal direction of the front surface flat section and becomes zero on a rear surface side. The translucent cover includes a domed shape having a maximum diameter at a position higher than a height of the position where the light source is arranged, and a transmittance of a region opposing the light source is 60% or less. | 05-31-2012 |
20120327330 | LIGHTING DEVICE AND LIQUID-CRYSTAL DISPLAY DEVICE WITH THE SAME - According to one embodiment, a lighting device includes a light source, and a semi-transmissive reflection layer opposing the light source. The semi-transmissive reflection layer includes a pattern including transmitting portions or reflecting portions. The pattern includes a pattern formed of the transmitting portions each having a hole conformation in a region to which a high volume of light form the light source incident, and a pattern formed of the reflection portions each having a dot conformation in a region to which a low volume of light form the light source incident. | 12-27-2012 |
20130010232 | LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS COMPRISING THE SAME - According to one embodiment, a lighting device includes a radiation surface, at least one light source provided to face the radiation surface, and an optical control member provided between the radiation surface and the light source and includes optical characteristics of transmission, diffraction, diffusion, and reflection, which vary for regions in the optical control member, a distribution of each of the optical characteristics being determined by positions relative to the at least one light source. The optical control member is formed in a sheet shape which is controlled by at least one of a reflective film having a reflection factor distribution, and a reflective film having a numerical aperture distribution, and lenses. | 01-10-2013 |
20130335966 | LIGHTING DEVICE - According to one embodiment, a lightning device includes a base member, a light source on the base member, a light guide body configured to guide at least part of light forwardly emitted from the light source. The light guide body includes an incident portion covering the front of at least the part of the light source, a bent light guide portion outwardly bent from the incident portion and configured to curvedly guide incident main light to the outside, and a light-emitting surface located on the distal end of the bent light guide portion, directly exposed to the outside of the device, and configured to emit the curvedly guided light laterally or rearwardly relative to the light source. | 12-19-2013 |
20140043828 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a base member, a light source on the base member, a light-transmitting cover configured to cover the light source and to emit light emitted from the light source to the outside, and a light guide body provided opposite the light source and configured to guide, to the rear of the light source, at least part of the light from the light source. The cover includes a back light-transmitting region having a plane-normal line directed rearwardly. The light guide body includes a light-incident portion facing the light source and a light guide-emitting portion curvedly extending outward from the light-incident portion, having a distal end portion extending along the back light-transmitting region and directed to the rear. | 02-13-2014 |
20140097738 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a light source with a directivity and a light-transmitting cover including a light-transmitting area configured to emit light from the light source to the outside. The light-transmitting cover is in a dome shape and formed of a material doped with scattered fillers dispersed in a volume thereof. The light-transmitting cover includes a vertically elongated shape with an aspect ratio higher than 0.6, and having a transmittance of 70% or less. The aspect ratio is the quotient of a height of the light-transmitting area in an optical axis thereof divided by the width of a rear-end portion of the light-transmitting area. | 04-10-2014 |
20140098546 | LIGHTING DEVICE - According to one embodiment, a lighting device includes a light source, and at least one light distribution control member configured to control distribution of light from the light source. The light distribution control member includes a base member higher in refractive index than air, and two optical control layers located opposite each other with a predetermined space therebetween on either side of the base member. The two optical control layers each includes a first region and a second region formed in correlative patterns. The light distribution control member is configured to control the light distribution based on a change of an overlap between the first and second regions depending on a direction of transmitted light. | 04-10-2014 |