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 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 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:
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 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 thin film transistor according to the present invention includes a gate electrode, a semiconductor layer having a channel forming region arranged on the gate electrode and an impurity region arranged on a part of the channel forming region, source and drain electrodes electrically connected to the impurity region, and a gate insulating film that electrically insulates the gate electrode and the semiconductor layer, wherein the distance between the upper end of the gate electrode and the upper end of the impurity region is larger than the distance between the upper end of the gate electrode and the upper end of the channel forming region.
摘要:
A thin film transistor according to the present invention includes a gate electrode, a semiconductor layer having a channel forming region arranged on the gate electrode and an impurity region arranged on a part of the channel forming region, source and drain electrodes electrically connected to the impurity region, and a gate insulating film that electrically insulates the gate electrode and the semiconductor layer, wherein the distance between the upper end of the gate electrode and the upper end of the impurity region is larger than the distance between the upper end of the gate electrode and the upper end of the channel forming region.
摘要:
An image display according to one aspect of the present invention includes a light emitting unit that is located in each unit pixel area in each, emits light corresponding to an injected electric current, and includes a plurality of light emitting layers which are horizontally divided into. The plurality of light emitting layers are electrically connected in series.
摘要:
A thin film transistor according to the present invention includes a gate electrode, a semiconductor layer having a channel forming region arranged on the gate electrode and an impurity region arranged on a part of the channel forming region, source and drain electrodes electrically connected to the impurity region, and a gate insulating film that electrically insulates the gate electrode and the semiconductor layer, wherein the distance between the upper end of the gate electrode and the upper end of the impurity region is larger than the distance between the upper end of the gate electrode and the upper end of the channel forming region.
摘要:
An image display according to one aspect of the present invention includes a light emitting unit that is located in each unit pixel area in each, emits light corresponding to an injected electric current, and includes a plurality of light emitting layers which are horizontally divided into. The plurality of light emitting layers are electrically connected in series.