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Class 345/36 - Electroluminescent display elements


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter wherein the bar graph includes electroluminescent
No. of patents: 99
Last issue date: 07/27/2010


1      
NumberTitleIssue Date
7764248Display and method for driving display
In a display in which pixel circuits each including a drive transistor, switching transistors and a capacitor are arranged in rows and columns, two-stage mobility correction is implemented in which mobility correction with an intermediate grayscale level (gray level...
07/27/2010
7443391Current drive circuit and display
A current drive circuit is provided with a bias generator and a current output unit; wherein the bias generator is provided with: p-channel MOS transistor, p-channel MOS transistor, and reference current source; and the current output unit is provided with: p-channe...
10/28/2008
7442760Electroactive polymers
Electroactive polymeric arylenes and intermediates useful for making such polymers are disclosed. The present invention also provides electroactive compositions comprising the electroactive polymeric arylenes, organic electronic devices which comprise these polymers...
10/28/2008
7439943Electro-optical device, wiring substrate, and electronic apparatus
The invention provides an electro-optical device in which a voltage drop due to the wiring resistance of a cathode is reduced and therefore steady image signals are transmitted such that erroneous image display, such as low contrast, is reduced or prevented. The inv...
10/21/2008
7432885Active matrix display
An active matrix display comprises a circuitry layer and a device layer having a planarizing layer therebetween on the glass substrate. The circuitry layer has pixel circuits defining pixel units and the device layer has organic EL devices defining the pixel units. ...
10/07/2008
7425939Active matrix type display apparatus, active matrix type organic electroluminescence display apparatus, and driving methods thereof
An active matrix type organic EL display apparatus according to the present invention which apparatus uses current writing type pixel circuits is provided with a current control circuit for each of data lines connected to the pixel circuits. The current control circ...
09/16/2008
7411586Light emitting device, method of driving a light emitting device, element substrate, and electronic equipment
A display device capable of obtaining a constant luminance without being influenced by temperature change is provided as well as a method of driving the display device. A current mirror circuit composed of a first transistor and a second transistor is provided in ea...
08/12/2008
7405713Light emitting device and electronic equipment using the same
A pixel suitable for constant current operation of an active matrix type EL display device. The pixel comprises a first switch of which one terminal is connected to a source signal line whereas another terminal is connected to a current-voltage conversion element, a...
07/29/2008
7379035Display panel driver device
A driver device for a display panel. Pixel cells are arranged on respective display lines of the display panel. Each N adjacent display lines makes one display line group. N is an integer of two or more. The pixels in each display line group are driven to emit light...
05/27/2008
7362322Pixel circuit, display apparatus and electronic apparatus equipped with current driving type light-emitting device
A display apparatus is provided with a current driving type light-emitting device and a driving device for controlling a driving current flowing through the light-emitting device for each pixel of the display apparatus. The display apparatus consists of power source...
04/22/2008
7358942Element substrate and light emitting device
A light emitting device and an element substrate which are capable of suppressing variations in luminance intensity of a light emitting element among pixels due to characteristic variations of a driving transistor without suppressing off-current of a switching trans...
04/15/2008
7345658Three-dimensional image display device
A three-dimensional image display device including at least one transmissive light-emitting display panel and a second light-emitting display panel located behind the transmissive panel. The transmissive panel has a plurality of light-emitting portions arranged in t...
03/18/2008
7342581Method and apparatus for displaying 3-D state indicators
A method for presenting a user selected status of an object in a three dimensional graphic display is disclosed. The method includes the step of receiving a request to select a property of an object for display. The method further includes the step of displaying at ...
03/11/2008
7339560OLED pixel
A pixel device of an electroluminescence device that comprises a voltage signal having a first state and a second state, a current signal, a first circuit further comprising a first transistor, a second transistor and a capacitor, the capacitor including a first ter...
03/04/2008
7336036Organic electroluminescent display device
The present invention narrows a picture frame size by deciding line widths of respective power source bus lines which supply electricity to organic EL elements of respective colors corresponding to current quantities of the respective power source bus lines. Red pix...
02/26/2008
7324099Image display device
In an image display device according to the present invention, means for selecting a pixel to which a display signal current is to be passed has a function of selecting a plurality of pixels simultaneously. Thus, high-precision display can be realized with a number ...
01/29/2008
7319440Organic light emitting diode light source
A novel OLED light source and method for controlling said OLED light source panel are disclosed wherein said light source is constructed such that active areas are segmented and said segments are separately addressable. In one embodiment, the segments are a series o...
01/15/2008
7317429Display panel and display panel driving method
A display panel includes an optical element which has a pair of electrodes and exhibits an optical operation corresponding to an electric current flowing between the electrodes, and a switch circuit which supplies a memory current having a predetermined current valu...
01/08/2008
7315893Method and apparatus for filtering messages based on context
A method for reporting alert conditions is disclosed which includes defining alert filter criteria, identifying an alert condition, analyzing one or more properties of the alert condition based on the alert filter criteria, and determining whether to report the aler...
01/01/2008
7310092Electronic apparatus, electronic system, and driving method for electronic apparatus
An electronic apparatus includes unit circuits provided with electronic devices, data lines connected to the unit circuits, a first output device to output, as a first output, a current or a voltage corresponding to an externally supplied data signal, a second outpu...
12/18/2007
7304780Backplane design for display panels and processes for their manufacture
The present invention relates to a backplane design for display panels and processes for their manufacture. The invention provides cost-effective ways to manufacture a display panel because the manufacture does not involve the use of a patterned ITO substrate, flexi...
12/04/2007
7301511EL display, EL illumination device and driving method therefor, liquid crystal device and electronic apparatus
The invention decreases the power consumption in an EL display and illumination device that each use EL elements. In an EL display or EL illumination device that use EL elements, the magnitude of the voltage or current that is applied to the EL elements during drivi...
11/27/2007
7298084Methods and displays utilizing integrated zinc oxide row and column drivers in conjunction with organic light emitting diodes
Methods and displays utilize row and column drivers with ZnO channels that control pixel transistors with ZnO channels, which in turn address OLEDs of an array to produce images of a display screen. A display backplane including the ZnO row and column drivers and th...
11/20/2007
7295192Compensating color shift of electro-luminescent displays
An electro-luminescent display comprises a plurality of scanning lines, a plurality of data lines which are arranged to cross the plurality of scanning lines and forming a plurality of pixel regions, at least one indicating driving circuit, and at least one indicati...
11/13/2007
7268760Emissive display using organic electroluminescent devices
An emissive display having pixels delimited by a plurality of scan lines and a plurality of signal lines intersecting with each other. Each pixel includes a memory circuit having at least a first inverter circuit including an electroluminescent device and including ...
09/11/2007
7257236Methods and systems for detecting and recognizing objects in a controlled wide area
Methods and systems are described herein for high-speed observation and recognition of objects or persons within a controlled area using 3D image data and tomography, stereo-photogrammetry, range finding and/or structured illumination. A wide area security system ma...
08/14/2007
7253793Electro-luminiscent apparatus
A display apparatus, that includes current driving type luminescent elements, has a driving system that takes the conduction types of TFTs to control the emission of the luminescent elements into consideration. In order to reduce driving voltage and improve display ...
08/07/2007
7253812El display driver and El display
A pulse having a width of 20H is inserted into STV in correspondence with a vertical blanking period (a period of 21 H), and the speed of CKV is increased to 12 times the original speed over the period of 21 H at the same time the pulse becomes High. A video signal ...
08/07/2007
7230593Electro-optical device, wiring substrate, and electronic apparatus
The invention provides an electro-optical device in which a voltage drop due to the wiring resistance of a cathode is reduced and therefore steady image signals are transmitted such that erroneous image display, such as low contrast, is reduced or prevented. The inv...
06/12/2007
7230591Display device and method of driving the same
A circuit for driving an organic light emitting element by alternating current in an active matrix organic light emitting display is provided. A circuit of a pixel provided with a switching TFT and a current controlling TFT further is provided with an element that h...
06/12/2007
7222981EL display device and electronic device
A cover member is adhered onto a substrate on which an EL element is formed with a filler as an adhesive. Further, a sealing member is provided so as to cover a side surface (an exposing surface) of the filler, and a frame member is adhered using the sealing member....
05/29/2007
7224333Display device and driving method thereof
In an active matrix EL display device, a drive mode is switched between constant voltage drive and constant current drive according to display contents. Whether an OLED is driven at constant current or driven at constant voltage is determined according to whether a ...
05/29/2007
7224375Method and device for noise reduction in a pulse-width controlled image display device
The invention relates to a method and a device for noise reduction in a pulse-width controlled image display device. A monitoring of whether the brightness of several sequential image points is brighter than a given brightness threshold value occurs. If not the case...
05/29/2007
7221339Display apparatus
A display apparatus, that includes current driving type luminescent elements, has a driving system that takes the conduction types of TFTs to control the emission of the luminescent elements into consideration. In order to reduce driving voltage and improve display ...
05/22/2007
7221333Display panel with phosphorescent and fluorescent pixels
A display panel comprises a plurality of arranged pixels of organic EL devices, each having a pair of electrodes and a luminescent layer containing an organic EL material and sandwiched between the electrodes. The plurality of arranged pixels include fluorescent pix...
05/22/2007
7212193Method and circuit for driving display, and portable electronic device
A method for driving a display is provided which is capable of reducing current consumption. In the method above, a scanning frequency in a self-emissive display is changed based on a display content to be displayed in the self-emissive display. ...
05/01/2007
7198393Flexible vehicle display screen
A conformable vehicle display includes a flexible display screen coupled to a substrate. The substrate is a curved transparent substrate that is adapted to be coupled to a vehicle component having a curved exterior surface. The flexible display screen is at least pa...
04/03/2007
7193625Methods for driving electro-optic displays, and apparatus for use therein
A method for addressing a bistable electro-optic display having at least one pixel comprises applying an addressing pulse to drive the pixel to a first optical state; leaving the pixel undriven for a period of time, thereby permitting the pixel to assume a second op...
03/20/2007
7159058State indicating information setting circuit and status bit setting circuit
A state indicating information setting circuit and a status bit setting circuit are responsive to detection of a predetermined state by a predetermined state detecting part for setting predetermined state indicating information and, then, appropriately resetting the...
01/02/2007
7138964Mobile unit with dual panel display
An electroluminescence display device that comprises an array of pixels, an electroluminescence device formed in each of the pixels, a first electrode formed in the electroluminescence device, a second electrode formed in the electroluminescence device, an electrolu...
11/21/2006
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