摘要:
Disclosed is a light modulator having a digital micro blaze diffraction grating. In the light modulator, a fine protrusion is formed on an edge of a lower surface of a diffraction member so that a reflective surface inclines due to the fine protrusion when the diffraction member is drawn downward.
摘要:
A stand for an image display device is provided. In the stand, a supporting member supports the image display device, a connecting member is rotatably coupled to the supporting member, and a base member supports the image display device with respect to a floor. The base member is rotatable in the same direction as the rotation direction of the connecting member for being folded to a back of the image display device. Therefore, a bottom surface of the stand can be folded to the back of the image display device, maximizing the number of image display devices that can be packed into the same containing space.
摘要:
The present invention relates to a plasma display panel, in particular to a plasma display apparatus and driving method of same, wherein the bightness of sustain light generated by a sustain pulse by performing floating either a scan electrode or a sustain electrode during a sustain period, thereby increasing the driving efficiency of the plasma display apparatus. A plasma display apparatus according to an aspect of the present invention comprises a plasma display panel comprising a first electrode and a second electrode; and a controller for applying an auxiliary discharge pulse to the second electrode, when a sustain pulse is applied to the first electrode, during a sustain period.
摘要:
The present invention relates to a method for preparing chiral alcohol having optical activity. More specifically, the present invention relates to a method for preparing (S)-chiral alcohol with a high yield and a high optical purity by mixing achiral substrates such as racemic alcohol or ketone with metal catalyst and protein hydrolase to perform a dynamic kinetic resolution reaction.
摘要:
The present invention is related to a plasma display panel, in particular to a plasma display apparatus capable of preventing an error discharge or an error writing of a discharge cell. A plasma display apparatus according to an embodiment of the present invention comprises a plasma display panel including a scan electrode and a sustain electrode; and a controller for applying a negative waveform and a positive waveform to the scan electrode between a reset pulse and a scan pulse having negative polarity, wherein the controller applies a sustain bias voltage to the sustain electrode when the negative waveform is applied to the scan electrode.
摘要:
A lower structure of plasma display panel, a method for fabricating the same and a plasma display panel with the same are disclosed, wherein the lower structure of a plasma display panel comprising: an address electrode formed on a lower substrate; a dielectric layer formed on the lower substrate for covering the address electrode; a barrier rib formed on the dielectric layer to form a discharge cell, with a width of a central portion thereof being narrower than each width of its upper and lower ends; and a fluorescent layer formed inside the discharge cell, such that. a discharge space increases to reduce a high temperature erroneous discharge and enhance reliability of the plasma display panel.
摘要:
A switch circuit includes a first capacitor, a second capacitor, and a switch arrangement that is operable to connect the first capacitor and the second capacitor in series between a first node that supplies a first voltage level and a second node that supplies a second voltage level, or to disconnect the first capacitor and the second capacitor from the first node and the second node, respectively, and to cross-connect the first capacitor and the second capacitor in response to a first control signal.
摘要:
A system and method for cell reselection in a radio communication network is provided. The system comprises a mobile terminal transmitting a receive signal strength list after measuring signal strengths of at least a neighbor cell; and a host system selecting a cell suitable for the mobile terminal based on a suitable cell list and the receive signal strength list and transmitting the cell reselection information to the mobile terminal. The suitable cell list comprises information representing whether or not the neighbor cell is suitable for selection by the mobile terminal.
摘要:
A plasma display apparatus is provided. The plasma display apparatus includes a first substrate, a second substrate, first and second electrodes formed on the first substrate, and a sustain driver for applying a sustain pulse to at least one of the first and second electrodes. The sustain pulse applied to at least one of the first and second electrodes has intermediate pulses having two or more shape between the first and last pulses. According to the plasma display apparatus, pulses of various shapes are applied to a plasma display panel (PDP) in a sustain period so that it is possible to adaptively improve energy efficiency, a sustain voltage margin, and a brightness characteristic.
摘要:
System and method for supporting an embedded software development methodology with quantitative process management are provided. The system and method support a development methodology for effectively defining, referring, and applying an embedded software development methodology that can economically and timely develop a high quality embedded software. Therefore, the system and method can support so that a quantitative approach may be possible for other embedded software development and management thereof afterward by managing techniques and criteria capable of analyzing information obtained through accumulation of quantitative project data related to the embedded software development.