689results about How to "Increase lighting brightness" patented technology

The present invention relates to a high-brightness LED with a protective function of electrostatic discharge damage. The high-brightness LED with a protective function of electrostatic discharge damage includes a lead frame that is formed with a pair of anode and cathode leads; a package that is formed of synthetic resin and in which a portion of the lead frame is housed; an LED chip that is mounted on the upper surface of the lead frame inside the package; an electrostatic discharge damage protecting element that is mounted on the lower surface of the lead frame inside the package and is connected parallel to the LED chip through a wire; and a molding material that is filled in the package so as to protect the LED chip.

A light emitting device includes a first patterned electrode 12 and a second patterned electrode 13 both of which are formed on a wiring board 11, an LED chip 19 mounted on the second patterned electrode 13, a metal wire 20 electrically connecting the LED chip 19 and the first patterned electrode 12 to each other, and a lens member 21 made of a transparent synthetic resin for packaging the LED chip 19 and the metal wire 20. The first patterned electrode 12 is circular and formed with a cutout 14 at the center thereof. The second patterned electrode 13 is arranged in the cutout 14. With this arrangement, the lens member 21 can be formed into a predetermined configuration, while the reflection of light by the patterned electrodes can be ensured.

A lamp that can concentrate light has two brackets, two shade holders, a shade, two sockets and two illuminating elements. The shade holders are attached respectively to the brackets. The shade is mounted between the shade holders and has a tubular body, a slit and an extension. The tubular body is made of an opaque material and is attached to the shade holders. The slit is longitudinally defined through the tubular body. The extension extends from the tubular body along the slit. The sockets are respectively mounted on the shade holders. The illuminating elements are attached to the sockets and are mounted in the open ends of the tubular body of the shade. Accordingly, the light emitting from the illuminating elements is concentrated and emits only from the slit in the shade to increase the brightness of the light emitted from the lamp.

A high brightness LED apparatus with an integrated heat sink includes a heat sink base and at least one LED mounted in the heat sink base. The heat sink base includes multiple dissipating fins formed integrally on the substrate. Each of the at least one LED includes a body and multiple dies. The body is mounted in the substrate and includes a conductive seat with a top recess. The dies are mounted on the conductive seat in the top recess and produce a great amount of light beams for an enhanced brightness of illumination. The dissipating fins will efficiently dissipate heat produced by the at least one LED to prevent each LED from brightness decay and extend the useful life of each LED.

The present invention discloses a inflatable apparatus to provide inflatable display to external viewers. The present invention, in one aspect, is an inflatable lighting apparatus includes an inflatable structure, a plurality of light sources disposed on the exterior of the inflatable structure, and at least one mixing device. The mixing device mixes light emitted by the plurality of light sources. The inflatable apparatus provides indirect viewing for a viewer and each light source represents a pixel in video display. By providing the indirect viewing, even the viewer is close to the light apparatus, the pixel will be shown as a single color dot to the viewer. A system consists of a plurality of inflatable lighting apparatus is also disclosed.

The invention relates to the lighting technology for vehicles, and discloses a system and a method for controlling a planar array LED vehicle lamp for vehicle meeting at night. The system for controlling the planar array LED vehicle lamp for vehicle meeting at night comprises the planar array LED vehicle lamp, an environmental detector, an electronic control unit ECU, an actuator and information output equipment. The planar array LED vehicle lamp is mounted at a headlamp of a vehicle, an input end of the electronic control unit ECU is connected with an output end of the environmental detector, corresponding output ends of the electronic control unit ECU are respectively connected with an input end of the actuator and an input end of the information output equipment, and an output end of the actuator is connected with the planar array LED vehicle lamp. The system and the method have the advantages that an angle and the brightness of the LED vehicle lamp can be automatically adjusted according to a driving environment of the vehicle during vehicle meeting at night, and the safety of vehicle meeting at night is improved.

Disclosed is an illuminating unit capable of effectively introducing light emitted from a light source into a light guide sheet to improve the brightness of light and emitting uniform color light. Light emitted from a light emitting diode of a light source unit is incident on a side surface of a light guide sheet. A spacer aligns the emission center of the light emitting diode with the center of the light guide sheet in the thickness direction thereof. The incident light travels in the light guide sheet and is then diffused in light emitting regions provided on the main surface of the light guide sheet. Then, the diffused light is emitted to the outside. In addition, light components emitted from a gap between the light emitting diode and the side surface of the light guide sheet or light components emitted from the upper surface of the light source unit to the outside are reflected to the light guide sheet by a cover member.

The present invention discloses a high intensity light source arrangement, which includes a luminary unit having a luminary unit, at least a terminal electrically connected to the luminary circuit, and at least a luminary element electrifying with the terminal for emitting light, a heat dissipation unit which dissipates heat generated from the luminary unit, and a base housing which comprises an electric input connector electrically connected to the luminary unit.

A backlight assembly and an LCD apparatus capable of reducing power consumption and increasing brightness of a light. The backlight assembly includes a light guide plate for receiving an external light and an artificial light, a first receiving container for receiving the light guide plate and supplying the artificial light to the light guide plate, and a second receiving container for supplying the external light to the light guide plate, the second receiving container comprising an light side wall inclined to the light guide plate. The LCD panel assembly displays images using the external light and artificial light from the light guide plate.

A light-emitting unit 20 has a light-emitting unit board 21 made of resin provided with a lead frame 22. The light-emitting unit board 21 is also provided with an open window 21a for mounting a light-emitting device. The lead frame 22 comprises a lead terminal section 22a, an inner lead section 22c, and a light-emitting device mounting and connecting section 22b which is exposed within the open window 21a. The light-emitting devices 23a, 23b, and 23c are bonded with the light-emitting device mounting and connecting section 22b, and electrodes of the light-emitting devices and the lead frame are connected by a metal wire 24, wherein the open window 21a is sealed by transparent resin. The lead frame 22 is made of iron-containing copper to improve heat radiation performance of the light-emitting unit board. By increasing maximum current to be supplied to the light-emitting diodes, it is possible to increase illumination brightness and to attain speedup of image reading.

The full run-down type backlight module includes a frame, a light source, and a diffuser plate. The diffuser plate and the frame constitute an enclosed space in order to house the light source. The frame includes a bottom face, and multiple inner side faces connected to the bottom face. The inner side faces possess reflective condensation structure.

The present invention relates to a light-conducting plate, including a light-incoming plane, a light-outcoming plane adjacent to said light-incoming plane and a background plane opposite to said light-outcoming plane. On said light-outcoming plane the concentric channels whose spacing distances are changed are set.

An optical engine for an image projector comprises a light source, a taper rod, at least one light condenser, a prism module, a Digital Micromirror Device (DMD) and a projection lens set. One end of the taper rod is adjacent to the light source. Light generated by the light source is guided by the taper rod following a light path. The taper rod has increasing sizes of cross-sections along the light path, so as to decrease the dispersion angle of light, make the light more uniform, and increase the brightness of light. The prism module includes a first prism having a right triangle cross-section and a second prism having a wedge cross-section. The prism module receives the light from the condenser, passes the light toward the DMD, receives the light reflected by the DMD, and then passes the reflected light toward the projection lens set. The projection lens set projects the light on an external projection plane.

The invention relates to a controlling technology for an electric light source, which is a digital and intelligent power source of an electromagnetic induction light which specially provides power source for the electromagnetic induction light. The controlling technology comprises an electromagnetic compatible circuit, a waves filtering rectifier circuit, a correction circuit with source power parameters and an output circuit with a half-bridge drive power which are electrically connected in sequence. Particularly, a digital controlling singlechip is respectively connected with the correction circuit with source power parameters and the output circuit with a half-bridge drive power, a man-machine interface is also connected with the singlechip through an interface circuit, and a sensor group is connected with the singlechip; the power source of the invention simplifies the hardware circuit and has the advantages of flexible control, perfect protection system, lower fault rate, high efficiency of electrical power transformation and more remarkable energy saving effect.

A light guiding plate (120) includes a light incident surface (121), a light emitting surface (122) adjacent to the light incident surface, and a bottom surface (123) opposite to the light emitting surface. The light incident surface includes at least one row of first grooves (1211) and at least one row of second grooves (1212). The first grooves is configured for increasing a range of incident angles in which light beams enter the light guiding plate via the light incident surface and thereby improving a brightness of the light guiding plate, and the second grooves is configured for complementing the functions of the first grooves thereby improving a uniformity of light output by the light guiding plate.

The invention provides a flash lamp control system and a method, which are applied to a master terminal and a plurality of slave terminals. The master terminal and the plurality of slave terminals are located around a to-be-photographed person. The flash lamp control system controls the master terminal and the plurality of slave terminals to respectively sense the optical parameters of the to-be-photographed person. Based on the optical parameters, the flash lamp driving current value and the flash duration of each terminal can be calculated. During the exposure photographing process, the flash lamp lighting conditions of the master terminal and the plurality of slave terminals are synchronously controlled, so that the sufficient amount of exposure is provided. According to the technical scheme of the flash lamp control system and the method, the light measuring accuracy is improved by arranging a plurality of mobile terminals around the to-be-photographed person. Meanwhile, based on the synchronous lighting-supplementing effect of the plurality of mobile terminals, the lighting brightness at a spot is improved. Therefore, the balance of the lighting brightness for the to-be-photographed person is ensured. As a result, the amount of exposure for the image photographing process is sufficient. The photographing effect is improved.

A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light component, and a substrate for supporting the polarized-light selective reflection layer. The polarized-light selective reflection layer includes three partial selective reflection layers that are layered one over another, and each partial selective reflection layer has a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light component. In the polarized-light selective reflection layer, a partial selective reflection layer for selectively reflecting light in the green (G) color wave range, a partial selective reflection layer for selectively reflecting light in the red (R) color wave range, and a partial selective reflection layer for selectively reflecting light in the blue (B) color wave range are layered in this order, the firstly-mentioned partial selective reflection layer being on the observation side. Namely, the partial selective reflection layer for selectively reflecting light in the green (G) color wave range is arranged as the outermost layer on the observation side.

A wearable item, such as a backpack, waistpack or other like carry-type bag or an article of clothing such as a jacket that has attached to it a flexible electroluminescent wire, capable of emitting steady or intermittent light, and further capable of emitting a multiplicity of colors, thereby making the backpack, waistpack or other like bag or article of clothing visible, and thus the wearer will be more visible and safe. The flexibility of the electroluminescent wire allows it to be attached to the backpack and clothing in a variety of ways and shapes, thereby making the backpack and clothing more visible and safe, as well as more attractive and unique.