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Class 313/463 - Electroluminescent


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter wherein the light output of the screen capable
No. of patents: 107
Last issue date: 05/08/2012


1      
NumberTitleIssue Date
8174175Light-emitting device and method for manufacturing same
The light-emitting device of the present invention is a light-emitting device having a plurality of pixels that comprises a light-emitting function layer of at least one layer that emits light in accordance with a supplied current, a first electrode layer of a condu...
05/08/2012
7431864Phosphor, production method thereof and light emitting instrument
The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more excellent in durability than the conventional oxide phosphors.
10/07/2008
7414357Glass pane with opaque coating
A window (1) with an opaque coating (2) comprising a surface region (3) which has opaque surface portions (5) and which is perforated by surface portions (4) allowing light to pass through and distributed over the surface. At least...
08/19/2008
7382512Resistivity phase change material
Various devices and methods employing a resistive phase change material are disclosed. ...
06/03/2008
7361417Phosphor layer, image display device employing the same and method for making the phosphor layer
A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant, a phosphor, a photosensitizer and a binder. The phosphor has a unifo...
04/22/2008
7326371Electroluminescent device with anthracene derivative host
An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at leas...
02/05/2008
7321464Electroluminescent light source and display incorporating same
A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material. ...
01/22/2008
7309955Organic electroluminescent display device and fabricating method thereof
An electroluminescent display device includes first and second substrates facing each other and having a display area and a non-display area surrounding the display area. An array element is formed on the first substrate and an electroluminescent diode is formed on ...
12/18/2007
7288107Tanning device
A tanning device is described by which the bluish light emitted by mercury vapor lamps is converted into yellow or white light. For this purpose, the mercury lamps, or the sheets of transparent plastics material covering these lamps, are doped or coated with one or ...
10/30/2007
7283131Image display apparatus
An image display apparatus having a plurality of image forming devices. In an output circuit provided between constant voltage supplies and wiring for driving each of the image forming devices, MOSFETs are successively turned on from the one having a higher ON resis...
10/16/2007
7239361Display
A display includes a display surface, an electroluminescent panel, which has a plurality of electroluminescent elements, and a liquid crystal panel, which has a plurality of liquid crystal elements. The liquid crystal panel and the electroluminescent panel overlaps ...
07/03/2007
7227302Color cathode-ray tube
Optical filter layers that transmit only light with a desired wavelength are provided in a non-formation region of an optical absorbing layer formed on an inner surface of a glass panel, and phosphor layers that emit either one of red, green, and blue light are prov...
06/05/2007
7151283Light-radiating semiconductor component with a luminescence conversion element
The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver...
12/19/2006
7126162Light-radiating semiconductor component with a luminescence conversion element
The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver...
10/24/2006
7084936Display including electroluminescent elements and liquid crystal elements aligned with each other in front and rear direction of the display
A display includes a display surface, an electroluminescent panel, which has a plurality of electroluminescent elements, and a liquid crystal panel, which has a plurality of liquid crystal elements. The liquid crystal panel and the electroluminescent panel overlaps ...
08/01/2006
7078732Light-radiating semiconductor component with a luminescence conversion element
The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element conver...
07/18/2006
7071907Display with active contrast enhancement
A display (50) with enhanced image contrast contains an image-producing component (60) and a set of shutter strips (80). The image-producing component, typically a flat-panel device, has multiple imaging lines that provide light to produce an im...
07/04/2006
7026756Light emitting device with blue light LED and phosphor components
A light emitting device includes a light emitting component having an active layer of a semiconductor and a phosphor capable of absorbing a part of light emitted from the light emitting component and emitting light of wavelength different from that of the absorbed l...
04/11/2006
7019451Shadow mask of color CRT
The color cathode-ray tube includes a panel having a fluorescent screen formed on the inner surface thereof, a funnel coupled to the panel, an electron gun mounted into the neck portion of the funnel for emitting electron beams toward the fluorescent screen, and a s...
03/28/2006
6995737Method and system for adjusting precharge for consistent exposure voltage
A method and system for controlling a voltage used for precharging current-driven elements in a matrix, and a method of manufacturing a device to perform this function. Elements are driven during successive scan cycles, each having a precharge period and an exposure...
02/07/2006
6972515Flat type color cathode ray tube
In a flat type color cathode ray tube, in using of a tint or a dark tint panel capable of improving contrast characteristics of a screen and reducing production processes, namely, having the conventional coating process reduction advantage, by optimizing a horizonta...
12/06/2005
6962755Light emitting element and azole compound
A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is ...
11/08/2005
6939189Method of forming a patterned phosphor structure for an electroluminescent laminate
The invention provides a method of forming a patterned phosphor structure having red, green and blue sub-pixel elements for an AC electroluminescent display. The method involves selecting first and second phosphors, each emitting light in different ranges of the vis...
09/06/2005
6909228Braun tube for projectors
The present invention proposes a Braun Tube for projectors having an illuminant layer provided on a phosphor screen, the illuminant layer including Zinc Silver Aluminum Oxide (ZnS:Ag, Al) as a blue color illuminant, Yttrium Terbium Silicate (Y2SiO5:Tb) as a green co...
06/21/2005
6900784Display apparatus with luminance adjustment function
A display apparatus is capable of displaying an image at a proper luminance based on an input video signal without being influenced by temperature changes or time-dependent changes. The display apparatus is provided with a monitoring circuit constituted by a monitor...
05/31/2005
6861794Color display device with color filter and pigment
A display device (1) comprises a display screen (10) which comprises a blue color filter layer (24B) and a blue phosphor (25B). The blue phosphor is provided with or covered by blue pigments. ...
03/01/2005
6825604Phosphor screen and cathodoluminescent device having the same
The phosphor screen is capable of minimizing the spread of lights in the phosphor screen, so as to restrict fading images and lowering contrast. The phosphor screen comprises a lot of minute phosphor sections. The phosphor sections are respectively enclosed by barri...
11/30/2004
6808829Image-display device
An image-display device using phosphor can improve the its luminescence efficiency and characteristics of color coordinates by adding an IIA element to a host crystal of ZnS phosphor to form a composite crystal. The image-display device improves the luminescence eff...
10/26/2004
6743378Plasma display panel with improved mixed green-color fluorescent material
A mixed green color fluorescent material for an electric device such as a plasma display panel includes: at least a first fluorescent material selected from a Group A defined in a range (0.10≦x≦0.18, 0.70≦y≦0.80) on a chromaticity coordinate; and at least a ...
06/01/2004
6717346CRT display matrix that emits ultraviolet light
An additional phosphor-excitation mechanism improves the light output of a visible-light emitting phosphor. One excitation mechanism indirectly excites the visible-light emitting phosphor by first striking a non-visible-light emitting particle (such as an ult...
04/06/2004
6703992EL display device with inter-line insulation
In an active matrix type EL device, a semiconductor layer (intersection protective film F1, F2, F3, F4) is inserted between lines at an intersection of a gate line GL and a data line DL; an intersection of the gate line GL and a power source line VL; an i...
03/09/2004
6656574Structure including electrophoretically deposited patternable material for use in providing a display
A structure used in the production of a face plate of a display includes a substrate assembly having a conductive surface at a first side thereof, one or more projections (e.g., spacers) extending from the first side of the substrate assembly, and electro...
12/02/2003
6614161Resonant microcavity display
A resonant microcavity display (20) having microcavity with a substrate (25), a phosphor active region (50) and front and rear reflectors (30 and 60). The front and rear reflectors may be spaced to create either a standing or treaveling eledtromagnetic wa...
09/02/2003
6590330Display device having a display window, a phosphor pattern and a color filter pattern between the display window and the phosphor pattern
A display device comprises a color filter pattern between a phosphor pattern and a display window. For blue, the thickness (t2) of this color filter pattern is more than 2.5 micrometer, preferably 5-7 micrometer, and/or for red said thickness i...
07/08/2003
6501102Light emitting diode (LED) device that produces white light by performing phosphor conversion on all of the primary radiation emitted by the light emitting structure of the LED device
Presented is an LED device that produces white light by performing phosphor conversion on substantially all of the primary light emitted by the light emitting structure of the LED device. The LED device comprises a light emitting structure and at least on...
12/31/2002
6501100White light emitting phosphor blend for LED devices
There is provided a white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 570 to about 620 nm, and a second luminescent material having a peak emission wavelength of about 480...
12/31/2002
6489715Luminous faceplate of color projection cathode ray tube and substrate for manufacturing the same
The present invention relates to a substrate of a luminous faceplate of a color projection cathode ray tube and a luminous faceplate which is composed of this substrate. The substrate consists of transparent polycrystalline material, and the luminous face...
12/03/2002
6472833Laser cathode ray tube
A laser CRT includes a cathode, a modulator having an orifice for forming an electron beam from the electrons emitted by the cathode, and a beam directing unit directing the electron beam formed by the orifice of the modulator to the laser screen of the l...
10/29/2002
6417833Liquid crystal display apparatus and method for lighting backlight thereof
In the liquid crystal display, a first backlight and a second backlight are provided and lightened simultaneously. Among all the lamps constituting the backlight, those lamps outputting oscillation waves in one phase are made equal or nearly equal in numb...
07/09/2002
6410169Discharge lamp
In the luminescent screen of a flourescent lamp an organic europium compound is incorporated for converting mercury radiation between 350 nm and 450 nm into red light. The organic europium compound is diluted in an organic polymer. When the fluorescent la...
06/25/2002
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