Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8093818 | Plasma display and voltage generator thereof A plasma display device including a plasma display panel (PDP), a temperature detector for detecting temperature of the PDP, a driver for applying a driving voltage to a scan electrode, and a controller for generating a control signal to control the driver according... | 01/10/2012 |
| 7986099 | Switching mode power supply circuit for plasma display panel The present invention relates to a switching mode power supply circuit for a plasma display panel comprising an input unit, a PFC (Power Factor Correction) unit, an output unit and a standby unit, wherein the standby unit includes a standby block for outputting a st... | 07/26/2011 |
| 7915832 | Plasma display panel drive circuit and plasma display apparatus A drive circuit for driving a plasma display panel (PDP) includes a pulse voltage generator that contains main switching elements disposed on a high voltage side and on a low voltage side, is operable to generate a pulse voltage by operating the main switching eleme... | 03/29/2011 |
| 7880395 | Method for restoring function of plasma display panel and plasma display panel A method for restoring the function of a plasma display panel according to the present invention restores a function of a plasma display panel by raising the temperature of the plasma display panel to 400° C. to 800° C. ... | 02/01/2011 |
| 7876054 | Plasma display apparatus A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel and a driver. The plasma display apparatus includes a scan electrode, a sustain electrode, an address electrode, a lower dielectric layer on the address electrode, ... | 01/25/2011 |
| 7701146 | Plasma display apparatus Provided is a plasma display apparatus. The apparatus comprises: a plasma display panel; an energy storing unit supplying or recovering energy; an energy supply controller forming a path for supplying the energy from the energy storing unit; a first resonance unit s... | 04/20/2010 |
| 7687998 | Plasma display panel There is explained a plasma display panel that is adaptive for improving brightness uniformity of an entire panel. A plasma display panel according to an embodiment of the present invention has a width, a thickness and a gap of a driving electrode, barrier ribs, a b... | 03/30/2010 |
| 7652433 | Method for prolonging life span of planar light source generating apparatus A method for prolonging the life span of a planar light source generating apparatus is provided. The planar light source generating apparatus forms an emitting layer not only on a plurality of cathodes but on a plurality of gates as well. Moreover, an anode of the p... | 01/26/2010 |
| 7504779 | Plasma display panel sustain driver having decreased flywheel current A plasma display panel sustain driver that has a decreased flywheel current. The plasma display panel sustain driver includes a power recovery capacitor that provides a predetermined voltage to the plasma display panel; a sustain switching unit connected to the plas... | 03/17/2009 |
| 7501771 | Brightness controlling apparatus, brightness adjusting system, computer system, liquid crystal display unit, brightness controlling method, computer software, and storage medium An apparatus and method for enabling screen brightness of a display unit to be adjusted automatically according to display brightness, thereby improving the visibility of the display screen to a viewing user. A brightness adjusting system including a gray scale grad... | 03/10/2009 |
| 7471047 | Plasma television set At a primary power-supply board 40, a Vsus power supply and a Vadd power supply of prescribed voltages are derived and outputted to a plasma display panel 11. Secondary power supplies Vsub1, Vsub2, and V... | 12/30/2008 |
| 7471046 | Apparatus and method for driving plasma display panel In a PDP, an inductor is coupled to an electrode of a panel capacitor. A current of a first direction is injected to the inductor to store energy, and the voltage of the electrode is changed to Vs/2 using a resonance between the inductor and the panel cap... | 12/30/2008 |
| 7443098 | Plasma display panel with first and second phosphor layers respectively on first and second substrate surfaces A plasma display panel (PDP) including a first substrate, a second substrate, a plurality of discharge cells arranged between the first substrate, a plurality of electrodes, and a plurality of phosphor portions, the second substrate arranged to at least partially ov... | 10/28/2008 |
| 7432881 | Image display apparatus for writing display information with reduced electric consumption An image display apparatus for displaying gray-scale images by writing display information to an image display area of a panel. The display information includes values of a plurality of sub-fields that constitute one field. The image display apparatus converts an in... | 10/07/2008 |
| 7423612 | Methods for resetting and driving plasma display panels in which address electrode lines are electrically floated A method of resetting a plasma display panel includes a wall charge accumulation operation and a wall charge distribution operation. In the wall charge accumulation operation, the voltage applied to second display electrode lines is gradually increased to reach a fi... | 09/09/2008 |
| 7423383 | Brightness controlling apparatus An apparatus and method for enabling screen brightness of a display unit to be adjusted automatically according to display brightness, thereby improving the visibility of the display screen to a viewing user. A brightness adjusting system including a gray scale grad... | 09/09/2008 |
| 7417380 | Electron emission device An electron emission device has an optimized inner structure where the electrons emitted from the electron emission regions are straightly migrated toward the phosphor layers. The electron emission device includes first and second substrates facing each other, and c... | 08/26/2008 |
| 7417379 | Cold cathode type flat panel display A cold cathode type flat panel display which is an image display device includes a vacuum panel container composed of a cathode substrate in which plural cold cathode type electron sources are arranged, an anode substrate, plural spacers for supporting the cathode s... | 08/26/2008 |
| 7417604 | Method and apparatus for driving plasma display panel A method and an apparatus for driving a plasma display panel with improved image quality are provided. The method for driving a PDP includes: determining whether a frame period is varied on the basis of order of an inputted vertical synchronization signal; varying t... | 08/26/2008 |
| 7414597 | Plasma display panel driving circuit A PDP driving circuit for a stable operation of a ramp pulse. A capacitor having a temperature characteristic opposite to a temperature characteristic of a part coupled to a switch that operates as a constant current source for generation of a ramp pulse is arranged... | 08/19/2008 |
| 7414598 | Apparatus and method for driving plasma display panel Disclosed herein are an apparatus for driving a plasma display panel in which the capability to represent the gray scale can be improved, and method thereof. The apparatus includes an inverse gamma control block for performing an inverse gamma correction process on ... | 08/19/2008 |
| 7408530 | Apparatus and method of driving a plasma display panel The present invention relates to to an apparatus for driving a plasma display panel in which an image being full of life is represented through expansion of contrast and the gray level can be expanded, and method for driving the same. According to the present invent... | 08/05/2008 |
| 7403174 | Method and apparatus for improving gray-scale linearity of plasma display A method and an apparatus for improving the gray-scale linearity of a plasma display. At least two types of gray-scale allocations are mixed for forming the original gray scale, or different gray scales are mixed to derive the original gray scale, so as to obtain th... | 07/22/2008 |
| 7394441 | Data drive integrated circuit with reduced size and display apparatus having the same There is provided a display apparatus including a data drive IC. The data drive IC includes a current-mode analog to digital converter (DAC) comprising a plurality of dynamic circuits (instead of conventional level shifters). In response to an enable signal received... | 07/01/2008 |
| 7391392 | Method and device for driving display panel unit Only when an input image signal continues to indicate a black display for a predetermined period of time or longer, some pixel cells randomly selected from among all pixel cells on a display screen are forcibly set to a light-emitting mode in an address process of a... | 06/24/2008 |
| 7391390 | Plasma display panel driving method and device An improved plasma display panel (PDP) having decreased background brightness, decreased power consumption, and improved contrast includes an address electrode, and a scan electrode and a sustain electrode are arranged in pairs with the address electrode. The PDP dr... | 06/24/2008 |
| 7385355 | Display device having a thin film electron source array The invention provides a display device using thin film type electron sources having a structure that can be formed in a simple manufacturing process. A lower electrode, a protective insulating layer and an interlayer film are formed on a cathode substrate. An upper... | 06/10/2008 |
| 7379034 | Panel driving apparatus and a display panel with the same A panel driving apparatus including an address power controller for blocking an address power source of at least two capacitors and coupling the panel capacitors during a period between a scan line signal and a next scan line signal, so that the panel capacitors sha... | 05/27/2008 |
| 7375703 | Driving device and method for plasma display panel Disclosed is a PDP driving method. During the reset period, a bias voltage of a sustain electrode below a first bias voltage is applied during a peak maintain period after a Y ramp falling period, or a discharge stabilization stage for lowering a relative potential ... | 05/20/2008 |
| 7372433 | Plasma display panel driving method, plasma display panel gray displaying method, and plasma display device A plasma display panel (PDP) driving method and a PDP gray-representing method for improving representation performance of low gray scales is disclosed. A voltage rising from a low level voltage to a reset voltage of a reset period of a subsequent subfield is applie... | 05/13/2008 |
| 7372203 | Plasma display panel having enhanced luminous efficiency A plasma display panel includes: a front and a rear substrate which face each other and form a discharge space; address electrodes arranged on an upper surface of the rear substrate; a first dielectric layer formed on the upper surface of the rear substrate and cove... | 05/13/2008 |
| 7372206 | Gas discharge panel substrate assembly having protective layer in contact with discharge space, and AC type gas discharge panel having the assembly The present invention provides that a gas discharge panel substrate assembly comprising: electrodes formed on a substrate, a dielectric layer covering the electrodes, and a protective layer covering the dielectric layer and in contact with a discharge space, wherein... | 05/13/2008 |
| 7372432 | Switching device and driving apparatus for plasma display panel A switching device for a plasma display panel that facilitates operations at a high voltage. The switching device may be formed with more than one insulated gate bipolar transistors (IGBT) coupled in parallel. The switching device may also be formed with an insulate... | 05/13/2008 |
| 7368877 | Light emitting display device and drive control method thereof A clock signal synchronized with a data write signal for each scan line supplied from a light emission control circuit 4 to a scan driver 6 is supplied to an oscillator 12 generating a reference switching signal of a DC-DC converter 8 by ... | 05/06/2008 |
| 7369104 | Driving apparatus of display panel An apparatus for driving a display panel can execute quality image display. To allow discharge cells operating as pixels of the display panel to repeatedly perform sustain discharge, a fall period of a last sustain pulse of sustain pulses repeatedly applied to row e... | 05/06/2008 |
| 7365708 | Plasma display and its driving method A plasma display device that enables a stable address operation even in a high-speed drive so as to display an image of high definition and high quality. A PDP having discharge cells each provided with a scanning electrode and a sustaining electrode is driven by a m... | 04/29/2008 |
| 7365767 | Apparatus for driving plasma display panel and method for displaying pictures on plasma display panel An apparatus for driving a plasma display panel and a method for processing pictures of a plasma display panel. An input video signal is converted into sub-field data. It is determined whether address consumption power of the sub-field data is high. When the address... | 04/29/2008 |
| 7365490 | Plasma display device A plasma display device enhances a shield structure for shielding electromagnetic interference (EMI) and/or noise arising in a circuit board. The plasma display device includes a plasma display panel (PDP) for displaying a predetermined image thereon. In addition, t... | 04/29/2008 |
| 7365496 | Light emitting panel and light emitting apparatus having the same An organic light-emitting panel includes a data line, a scan line, a voltage applying line, a switching device, an organic light emitting device and a driving device. The voltage applying line satisfies a condition expressed as ... | 04/29/2008 |
| 7361289 | Green light-emitting phosphor for vacuum ultraviolet-excited light-emitting device, light-emitting device including the same, and method of preparing the same The present invention provides a green light-emitting phosphor for a light-emitting device excited by vacuum ultraviolet rays, a light-emitting device, and a method of preparing the same. The green light-emitting phosphor is represented by the formula AxB... | 04/22/2008 |
