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| Number | Title | Issue Date |
| 7408297 | Light-emitting device, display device, and stress sensor A stacked structure (1) includes an electrostriction layer (2) including an electric inductive distortion material and a stress light-emitting layer (3) including a stress light-emitting material. When applying a voltage to the electrostriction ... | 08/05/2008 |
| 7372608 | Light control device and light control system using the same A light control device includes a substrate, a first reflective layer, a light modulating film in which the refractive index varies according to an applied electric field, a transparent electrode, and a second reflective layer having a reflection characteristic such... | 05/13/2008 |
| 7187114 | Electron emitter comprising emitter section made of dielectric material An electron emitter has an emitter section formed on a substrate, and a cathode electrode and an anode electrode formed on a same surface of the emitter section. A slit is formed between the cathode electrode and the anode electrode. A drive voltage from a pulse gen... | 03/06/2007 |
| 7175328 | Piezoelectric light-emitting diode and backlight system using the same A light-emitting diode (LED) (10) includes a chip body (103), an encapsulation can (105) surrounding the chip body, and a base (106) supporting the encapsulation can and the chip body thereon. Numerous diffusion structures (1050) a... | 02/13/2007 |
| 7168840 | Piezoelectric light-emitting diode and backlight system using the same A light-emitting diode (LED) (110) includes a chip body (113), an encapsulation can (115) surrounding the chip body, and a base (111) supporting the encapsulation can and the chip body thereon. A diffraction grating (117) is provid... | 01/30/2007 |
| 7078856 | Wavelength variable light source A wavelength variable light source is provided with: a light emitting layer containing therein light emitting substance having a carbon-carbon inter-atomic bond; a pair of electrodes disposed on both sides of the light emitting layer while holding the light emitting... | 07/18/2006 |
| 6975287 | Plasma color display screen with pixel matrix array A plasma color screen fitted with a carrier plate, a transparent front plate, a ribbed structure dividing the space between the carrier plate and the front plate into discharge cells filled with a gas, with one or more electrode arrays on the front plate and on the ... | 12/13/2005 |
| 6633123 | Organic electroluminescence device with an improved heat radiation structure The present invention provides an organic electroluminescence device including a base structure and at least an organic electroluminescence device structure over the base structure, wherein the base structure includes a substrate made of a plastic materia... | 10/14/2003 |
| 6590336 | Light emitting device having a polar plane piezoelectric film and manufacture thereof The light emitting device comprises: a substrate; and a first piezoelectric film held on the substrate and having one of a positive plane and a negative plane, the first piezoelectric film functioning as a light emitting layer.... | 07/08/2003 |
| 6091197 | Full color tunable resonant cavity organic light emitting diode A full-color, tunable organic light emitting diode (RCOLED) includes a high-reflection tunable membrane and a high-reflection dielectric mirror that form a resonant cavity. A white light OLED is located in the resonant cavity. The high-reflection tunable ... | 07/18/2000 |
| 6057048 | Electroluminescent (EL) devices An electroluminescent device comprised of an anode, a hole transporting layer, a light emitting layer, and a cathode, wherein said light emitting layer contains a component of the formula ##STR1## wherein Ar1, Ar2, Ar3 | 05/02/2000 |
| 5902688 | Electroluminescent display device This disclosure provides an electroluminescent ("EL") display device having anode, cathode, insulator and organic EL layers. The anode and cathode layers sandwich the other two layers, and the insulator layer is patterned to selectively block flow of curr... | 05/11/1999 |
| 5817431 | Electron injecting materials for organic electroluminescent devices and devices using same An organic electroluminescent display device (10) includes a plurality of organic layers (16, 18, 20, 22 and 24) disposed between opposing electrodes (14 and 26). The electron injecting layer (24) is characterized by the formula: ##STR1## wherei... | 10/06/1998 |
| 5645948 | Blue organic electroluminescent devices An organic EL device, comprising an anode and a cathode, and at least one organic luminescent medium containing a compound of benzazoles of the formula: ##STR1## wherein: n is an integer of from 3 to 8; Z is O, NR or S; and R and R' are individually ... | 07/08/1997 |
| 5616427 | Organic thin film EL device having long lifetime In an organic thin film EL device comprising an anode layer, a cathode layer, and a complex layer including hole injection material and luminescent material, an anode interfacial layer is formed between the anode layer and the complex layer. The anode int... | 04/01/1997 |
| 5487953 | Organic electroluminescent device An organic electroluminescent device comprises an organic emitting layer and a hole transport layer laminated with each other and arranged between a cathode and an anode, in characterized in that the hole transport layer made of the triphenylbenzene deriv... | 01/30/1996 |
| 5432015 | Electroluminescent laminate with thick film dielectric An improved dielectric layer of an electroluminescent laminate, and method of preparation are provided. The dielectric layer is formed as a thick layer from a ceramic material to provide: a dielectric strength greater than about 1.0×106 V/m; a diel... | 07/11/1995 |
| 5405710 | Article comprising microcavity light sources Apparatus according to the invention comprises at least two optical microcavity light emitters. Each one of the at least two light emitters comprises spaced apart reflectors that define a microcavity, and further comprises organic material that is capable... | 04/11/1995 |
| 5374489 | Organic electroluminescent device An organic electroluminescent device having an organic emitting layer and a hole transport layer laminated with each other and arranged between a cathode and an anode, and the hole transport layer is made of tris-phenothiazinyl-triphenylamine or tris-phen... | 12/20/1994 |
| 5352543 | Structure of thin film electroluminescent device Disclosed is a thin film electroluminescent device of this invention comprising a transparent substrate, a transparent electrode, a fluorescent layer emitting a light when being charged with a certain voltage, a first and second insulating layer being lam... | 10/04/1994 |
| 5314759 | Phosphor layer of an electroluminescent component The present invention relates to a multilayer phosphor layer system for an electroluminescent display. The phosphor layer according to the invention is comprised of several superimposed host matrix material layers (7) and interposed activator-containing d... | 05/24/1994 |
| 4654715 | Flat screen display system using a two-dimension surface acoustic wave (SAW) scanning A flat screen display system uses a two-dimension surface acoustic wave ("SAW") scanning. The flat screen is made of a piezoelectric substrate coated with a layer of piezoluminophor powder. Four SAWs having two by two nonparallel directions are launched a... | 03/31/1987 |
