G02B6/008

Light guide assembly

An assembly includes a light guide having a proximal end and a distal end. The proximal end has a light-emitting diode package coupled thereto. The assembly may include another light guide, also having a proximal end and a distal end, with a light-emitting diode package coupled to the proximal end. A light housing may be included that defines a cavity therein, wherein at least a portion of the first and second light guides including the distal ends are disposed in the cavity. Further, a dial face may be included that is disposed adjacent to the first and second light guides and the light housing, wherein each of the first and second light guides are configured to illuminate the dial face. In some variations, flexible printed circuit boards are attached to and electrically connected with the light-emitting diode packages.

Light emitting device

In various embodiments a light emitting device is disclosed comprising a first and second source for emitting light with a first and a second spectral distribution, respectively, a first and second light guides comprising a first light input surface and a first light exit surface, respectively, the light input surface and the light exit surface of the respective light guide extending at an angle with respect to each other. The first and second light guide configured to convert a part of the received light to light with a third and fourth spectral distribution, respectively, and couple at least a part of the light with the third and fourth spectral distribution out of the first and second light exit surface, respectively. The light have the first and the second spectral distribution having different spectral distributions, and the light having the third and the fourth spectral distribution have different spectral distributions.

Backlight unit, liquid crystal display device comprising same, and game machine
09983348 · 2018-05-29 · ·

A backlight unit for a liquid crystal display device includes: a light source; a first light guiding panel which guides light emitted from the light source; a second light guiding panel which is disposed behind the first light guiding panel and is provided to be movable so as to be selectively disposed at a position of being overlapped with a predetermined area of the first light guiding panel in a back and forth direction and at a position of not being overlapped with the predetermined area in a back and forth direction; and a driving part which provides a driving force for moving the second light guiding panel.

Overlapping LCD displays for a gaming machine
09965918 · 2018-05-08 · ·

A gaming system includes a liquid crystal display (LCD) assembly including a first LCD panel and a second LCD panel. The first LCD panel and the second LCD panel each have an active display region between two opposing inactive sides of the respective LCD panel. At least one LCD panel includes an LCD glass panel which is cut, removing the majority of the inactive side and creating a smaller, inactive side at the edge of the respective LCD panel, adjacent to the active display region. The first and second LCD panels are mounted onto a single light source illuminating both the first and second LCD panels, such that inactive side at the edge of the at least one cut LCD panel overlaps another inactive side of the other LCD panel at one edge without obscuring any of the active display region of either LCD panel.

Receptacle assembly having a light pipe assembly

A receptacle assembly includes a receptacle housing having panels defining a housing cavity receiving a pluggable module. The panels are conductive to provide electromagnetic interference shielding. The receptacle housing has a bottom mounted to a circuit board. A communication module is received in the housing cavity and mounted to the circuit board. The communication module includes a communication connector interfacing with the pluggable module. The receptacle assembly includes a light pipe assembly coupled to the receptacle housing having has a plurality of flexible light pipes each extending between a light-receiving end and a light-emitting end. The light-receiving end is positioned proximate to the bottom to receive light from a light-emitting device mounted to the circuit board. The light-emitting end is provided proximate to the front end of the receptacle housing for displaying a status indicator for the communication connector.

FIBER OPTIC LIGHT PANEL WITH HOMOGENEOUS LIGHT OUTPUT

An optical mixer for a vehicle lighting device having a light source and an optical fiber panel that inputs light from the light source. The optical mixer includes a light input face configuration to input light from the light source, and a light output face configured to output light to the input to panel. A sidewall connects the light input face to the light output face. The optical mixer is configured to provide output light from the output face having greater spatial uniformity than input light entering the input face.

Lighting apparatus
09857033 · 2018-01-02 · ·

The invention relates to a lighting apparatus, having a quadrangular lighting surface, wherein the quadrangular lighting surface has a first lateral edge a and an opposing lateral edge a.sub.g, wherein the quadrangular lighting surface has a second lateral edge b and an opposing lateral edge b.sub.g, wherein the quadrangular lighting surface is constructed modularly from at least a first lighting module and further lighting modules. The at least first lighting module is triangular, wherein the base surface of the first lighting module has a lateral edge b1 and a vertex E1 opposing this lateral edge b1, wherein a connecting path between the vertex E1 and an intersection point L1 of a normal line with the lateral edge b1 is a height h1 of the first lighting module, where 0<h1a and b=b1.

Backlight module

A backlight module including a back plate which includes a flat plate, first and second wedges respectively formed at both ends of the flat plate, and a plurality of third wedges formed between the first and second wedges on the flat plate, wherein an angle between a long inclined plane of the first wedge and a flat plate, an angle between a long inclined plane of the second wedge and a flat plate, and an angle between an inclined plane of the third wedge and the flat plate are obtuse angle, acute angle and acute angle respectively; a first light source assembly disposed on the first wedge; a second light source assembly disposed on the second wedge; and a plurality of third light source assemblies, wherein each third light source assembly is disposed on the corresponding third wedge.

Thin backlight with reduced bezel width
09772439 · 2017-09-26 · ·

A backlight includes a first lightguide having a first portion and a second portion, wherein the second portion is dimensioned smaller that the first portion so as to form a rim along at least a part of the first light guide. At least one light source is positioned under the rim and separated from the first lightguide by a space, where a majority of the light emitted by the at least one light source being along a first axis of the at least one light source. The at least one light source is arranged to position the at least one axis at an angle away from a center of the lightguide in a plane parallel to the rim.

BACKLIGHT MODULE
20170168225 · 2017-06-15 ·

A backlight module including a back plate which includes a flat plate, first and second wedges respectively formed at both ends of the flat plate, and a plurality of third wedges formed between the first and second wedges on the flat plate, wherein an angle between a long inclined plane of the first wedge and a flat plate, an angle between a long inclined plane of the second wedge and a flat plate, and an angle between an inclined plane of the third wedge and the flat plate are obtuse angle, acute angle and acute angle respectively; a first light source assembly disposed on the first wedge; a second light source assembly disposed on the second wedge; and a plurality of third light source assemblies, wherein each third light source assembly is disposed on the corresponding third wedge.