摘要:
When performing gradation expression using a time division driving method, an operational frequency of a driving circuit is suppressed, and non-light emitting time is eliminated to increase the light emitting time. Each of a number of pixel circuits includes a light emitting element, a driver element for turning on or off a driving current of the light emitting element, a switching element for controlling connection of a gate electrode of the driver element with a signal line, and a capacitance to which a signal voltage supplied from the signal line to the gate electrode of the driver element is written.
摘要:
Active matrix circuitry includes a light emission selection element is disposed between a source electrode of a driver element and an anode of a light emitting element. By turning the light emission selection element off, an electric current of the driver element can be turned off, whereby the threshold voltage of the driver element can be stored in the driver characteristics storage capacitor.
摘要:
An image display apparatus according to the present invention includes a data line that supplies a voltage determined based on emission brightness, a first switching unit that controls writing of the voltage supplied from the data line, a driver element that controls a current flowing through a current-controlled light emitting element, an organic electro-luminescence element that emits light of brightness corresponding to current applied, a reference-voltage writing unit that supplies a predetermined reference voltage, and a threshold-voltage detecting unit that detects a threshold voltage of the driver element.
摘要:
A color filterless display device performing color display for expressing one pixel by three RGB sub-pixels includes: a light source; a diffraction grating for separating a light irradiated from this light source into lights of a plurality of wavelength regions; a cylindrical lens array for receiving the separated light and condensing the light while corresponding to each of the sub-pixels; and a liquid crystal cell including a structure portion for correcting an angle of the condensed light for all sub-pixels, wherein, in the structure portion of this liquid crystal cell, a side onto which a light from the cylindrical lens array is made incident is made of a high refractive index layer, an emitting side from which the light is emitted is made of a low refractive index layer, and a Fresnel-type microprism structure is formed by the high refractive index layer and the low refractive index layer.
摘要:
A display device includes a driver circuit that controls so that an electric charge accumulation and a voltage detection/supply start simultaneously for a pixel circuit in a first row in the matrix and a pixel circuit in a second row in a matrix and adjacent to the pixel circuit in the first row in one direction along a column, and that controls so that the electric charge accumulation and the voltage detection/supply end simultaneously for the pixel circuit in the first row and a pixel circuit in a third row and adjacent to the pixel circuit in the first row in another direction along the column.
摘要:
A display unit has an organic light emitting diode (OLED) 21 provided in correspondence with each of pixels and capable of emitting light by itself, a drive transistor 22 for driving the OLED 21, a twig transistor 23 which is formed so as to have a portion of an electrode of the drive transistor 22 independently formed, and which is used to detect a threshold voltage (Vth) of the drive transistor 22, a compensating capacitor 28 in which the threshold voltage (Vth) detected by the twig transistor 23 is written, a signal capacitor 27 in which a signal voltage to be supplied to the drive transistor 22 is written, a first transistor 24 provided between a data line and the signal capacitor 27, a second transistor 25 provided between the signal capacitor 27 and the compensating capacitor 28, and a third transistor 26 provided between a gate electrode and another electrode of the twig transistor 23.
摘要:
A common line is eliminated, and one terminal of the capacitor, which has been heretofore connected to the common line, is connected to the scan line of another display cell adjacent to the display cell having the capacitor. A scan line driving circuit supplies to respective scan lines a stepped pulse formed of a voltage V1 and a voltage V2 sufficiently larger than the voltage V1. A data line driving circuit supplies to the respective data lines a voltage not smaller than the voltage V1 and not larger than a voltage V3 (but smaller than the voltage V2) as a data voltage.
摘要翻译:消除了公共线,并且已经连接到公共线的电容器的一个端子连接到与具有电容器的显示单元相邻的另一个显示单元的扫描线。 扫描线驱动电路向各扫描线提供由电压V 1和充分大于电压V 1的电压V 2形成的阶梯脉冲。数据线驱动电路向各数据线提供不小于电压V 1的电压 V 1并且不大于电压V 3(但小于电压V 2)作为数据电压。
摘要:
A liquid crystal panel includes a cell formed between substrates and disposed to face each other and severally including alignment films and, liquid crystal molecules held inside the cell, and an electrode for applying a driving electric field in a parallel direction to the liquid crystal molecules. In the liquid crystal panel, the electrode is formed on at least one of the substrates and on a side facing the liquid crystal molecules. An alignment film is formed on the substrate so as to cover the electrode and an alignment film is disposed on the opposite substrate. The alignment films and are severally selected from a horizontal alignment film and a perpendicular alignment film which are different in aligning modes.
摘要:
An image display apparatus includes a current-controlled light emitting diode emitting light with brightness corresponding to a current flowing therethrough; a wiring structure electrically connected to the current-controlled light emitting diode; and a potential controller controlling a potential of the wiring structure. The image display apparatus also includes a potential change assisting unit controlling electric conductivity between the potential controller and the wiring structure, to change a potential of the wiring structure after a light emitting phase.
摘要:
A luminescent display device includes a substrate and a thin-film transistor above the substrate. The thin-film transistor includes a semiconductor layer, a gate insulating film on the semiconductor layer, a gate electrode on the gate insulating film, a source electrode, and a drain electrode. The luminescent display device further includes an interlayer insulating film on the gate electrode, a first capacitor electrode on the interlayer insulating film in a region above the gate electrode, and a luminescent element configured to be driven by a driver to produce luminescence. The driver includes the thin-film transistor, and the first capacitor electrode and the gate electrode constitute a capacitor.