摘要:
The present application discloses a driver having a configuration comprising: a drive transistor for supplying a current of the quantity corresponding to a gate potential, into the element as a driving current; a first switch installed in the path of the driving current passing between the element and the drive transistor, for controlling the flow of the driving current; a second switch for switching between the first state of setting the gate potential of the drive transistor and the second state of keeping the set gate potential; a circuit for supplying a signal for controlling the flow of the driving current in a restricted state to the first switch, for a predetermined period in a period after the starting the supply of the potential for driving the drive transistor from a power source and until start of driving the element in a normal operation; a circuit for supplying a signal for setting the second switch at the first state, to the second switch: and a circuit for interrupting a signal for setting the gate potential while the second switch is in the first state in the predetermined period.
摘要:
A current programming apparatus having two data lines for a pixel line is presented. An image data current is supplied to the first and the second data lines alternatively by switching M1 and M2 complementally. By switching M7 and M8 on during the switches M1 and M2 turn on respectively, a constant current is supplied to the data line to which the data current is not supplied. The scanning signals are applied so as to write a constant current into pixels immediately before the data current is written. Thus a write-in defect by a fluctuation in the threshold voltages is prevented.
摘要:
A current programming apparatus includes a current source; a plurality of first circuits to which data currents are supplied through a data line, the first circuits commonly connected with the data line; a second circuit having a terminal connected to the current source; a switch connecting or breaking the second circuit with or from the data line, wherein the current source generates a predetermined current to supply the generated current to the second circuit through the terminal while the switch is off, whereby the value of the predetermined current is written in the second circuit, and wherein the current source generates a current based on data, and the second circuit generates a current based on the written value of the predetermined current, and a difference current between the current generated by the current source and the current generated by second circuit is supplied to the first circuits through the data line while the switch is on, whereby the value of the current is written in the first circuits as the value of the data current. The influence of parasitic capacitance of the data line can be suppressed to stabilize the writing operation of the current.
摘要:
An active matrix type display apparatus includes a plurality of pixel circuits each having an electroluminescent element EL, a 1st FET to control a current flowing in the EL, and a 2nd FET provided between a gate and a drain of the 1st FET. The plurality of pixel circuits are arranged in a matrix and have every column connected to a data line. The 2nd FET is turned on for a predetermined time period, and an image data current flowing in the data line is supplied to the gate and drain of the 1st FET, thereby writing a current value of the image data current. A preliminary charging circuit is connected to the data line. Before the writing operation in the predetermined time period is expired, a current of a predetermined current value is applied to the image data current so that a gate-source voltage of the 1st FET is equal to or larger than a threshold value.
摘要:
Even if characteristics of transistors differ every circuit, in order to suppress an influence by the different characteristics and stabilize the programming operation to a control electrode of a drive transistor even if a data signal is small, there is provided a programming apparatus for programming signals which are supplied to a circuit array (61, 62) having a plurality of circuits each having transistors (M11, M12), first switching elements (M21, M22) connected to control electrodes of the transistors, and second switching elements (M31, M32) each connected to one main electrode of each of the transistors. The programming apparatus has: a current generating circuit (M3, M4) which is connected in common to each of the second switching elements of the circuit array and generates a current corresponding to a current flowing in the transistor of the selected circuit; and an operational amplifier (OPAMP1) which is connected in common to each of the first switching elements of the circuit array and supplies the program signal to the control electrode of the transistor of the selected circuit. A data signal and a signal corresponding to the current generated by the current generating circuit are inputted to the operational amplifier.
摘要:
A matrix display apparatus includes a plurality of current-driven display devices arranged along row and column directions, a first circuit provided for each of the display devices, a plurality of data lines arranged for each column, with the data lines supplying an image data signal to a plurality of pixel circuits included in each one of the columns, and a plurality of row scanning lines for transmitting a scanning signal for selecting row by row the plurality of pixel circuits. The first circuit includes a field effect transistor for supplying one of the display devices with a current, which has a control electrode and two principal electrodes, a first switch connecting the control electrode and one of the principal electrodes of the field effect transistor, and a second switch having one terminal connected to the one of the principal electrodes of the field effect transistor and having another terminal connected to one of the data lines along the column of the first circuit. The first circuits in the column are connected in successively divided manner to the plurality of the data lines through the second switch.
摘要:
A semiconductor device including a plurality of circuits that includes a transistor, where a semiconductor layer forming the transistor includes a first contact pad, a first part that is connected to the first contact pad and that extends in a direction intersecting a short direction of a pitch with which the circuits are arranged, a second part that extends from the first part in the short direction, and a second contact pad including the first part and the second part that are provided between the first contact pad and the second contact pad, where the second part overlaps an electrode layer across an insulating layer.
摘要:
A semiconductor device including a plurality of circuits that includes a transistor, where a semiconductor layer forming the transistor includes a first contact pad, a first part that is connected to the first contact pad and that extends in a direction intersecting a short direction of a pitch with which the circuits are arranged, a second part that extends from the first part in the short direction, and a second contact pad including the first part and the second part that are provided between the first contact pad and the second contact pad, where the second part overlaps an electrode layer across an insulating layer.
摘要:
In a display apparatus, after sampling switches turn on and a voltage signal to be held in a driving circuit is transmitted to a plurality of data lines and subsequently the sampling switches turn off, a selected scanning line supplies a control signal to the driving circuits along the selected scanning line, thereby causing the driving circuits to hold the voltage signal, and the plurality of scanning lines supply a control signal to the driving circuits simultaneously, and thereafter the sampling switches turn on and the voltage signal which is to cause the driving circuit to drive the display element is transmitted to the data lines thereby causing the driving circuits along the plurality of scanning lines to drive the display element simultaneously.
摘要:
A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.