EP1697920B1 - Vorrichtung zum anzeigen von bildern auf einer oled aktivmatrix - Google Patents

Vorrichtung zum anzeigen von bildern auf einer oled aktivmatrix Download PDF

Info

Publication number
EP1697920B1
EP1697920B1 EP04816458A EP04816458A EP1697920B1 EP 1697920 B1 EP1697920 B1 EP 1697920B1 EP 04816458 A EP04816458 A EP 04816458A EP 04816458 A EP04816458 A EP 04816458A EP 1697920 B1 EP1697920 B1 EP 1697920B1
Authority
EP
European Patent Office
Prior art keywords
emitters
data
modulator
voltage
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04816458A
Other languages
English (en)
French (fr)
Other versions
EP1697920A1 (de
Inventor
Philippe Le Roy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THOMSON LICENSING
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1697920A1 publication Critical patent/EP1697920A1/de
Application granted granted Critical
Publication of EP1697920B1 publication Critical patent/EP1697920B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes
    • G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0404—Matrix technologies
    • G09G2300/0417—Special arrangements specific to the use of low carrier mobility technology
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/088—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements using a non-linear two-terminal element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0248—Precharge or discharge of column electrodes before or after applying exact column voltages
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0243—Details of the generation of driving signals
    • G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing

Definitions

  • the present invention relates to an active matrix image display device.
  • passive matrix OLED displays are already widely marketed. However, they consume a lot of electrical energy and have a reduced life.
  • Active Matrix OLED displays have built-in electronics, and have many benefits such as reduced power consumption, high resolution, compatibility with video rates, and longer life than passive matrix OLED displays.
  • the display devices comprise a display panel formed in particular by a network of light emitters.
  • Each light emitter is linked to a pixel or a subpixel of an image to be displayed and is addressed by an array of column electrodes and line electrodes via an addressing circuit.
  • the addressing circuits include current modulators capable of driving the current flowing through the emitters and therefore the luminance of each sub-pixel of the display panel.
  • these modulators are thin-film transistors, called Thin Film Transistor (TFT) transistors, made of crystalline poly-silicon using low-temperature polycrystalline silicon (LTPS) technology.
  • TFT Thin Film Transistor
  • LTPS low-temperature polycrystalline silicon
  • this technique introduces local spatial variations in the threshold threshold voltage of thin-film transistors. These variations are due to the fact that the seams and grain size of the poly-silicon are not sufficiently controllable during the crystallization phase of amorphous silicon in polycrystalline silicon.
  • the TFT transistors comprising the same display panel have different trigger threshold voltages.
  • TFT transistors fed by the same supply voltage and controlled by identical data voltages or currents generate currents of different intensity.
  • an emitter generally emits a light intensity directly proportional to the current flowing through it
  • the heterogeneity of the trigger thresholds of the crystalline poly-silicon transistors causes non-uniformity of brightness of a screen formed by a matrix of such transistors. This results in differences in luminance levels and obvious visual discomfort for the user.
  • a control circuit of a transmitter comprising a comparison unit adapted to compare the drain current I d flowing through the modulator to a reference current during a programming step of the control circuit.
  • this circuit requires the implementation of a switching unit by transmitter to switch the power source of the transmitter between the programming step and a transmitter transmission end stage.
  • This switching unit comprises two thin film transistors and an inverting amplifier. This circuit is difficult to manufacture and not very economical.
  • He is known in particular by the document EP 1 381 019 active matrix display devices comprising OLED transmitters, transmitter power supply means, modulators and means for compensation of the tripping threshold voltages of the modulators.
  • the compensation means comprise means for comparing the drain current passing through a selected transmitter to a display setpoint.
  • the transmitters are not powered by the same power supply means both during the programming phases and the successive transmission phases for the display of the images, which requires a specific electrode array for each power mode.
  • He is known in particular by the document JP-2002/278513 a display device comprising OLED transmitters, transmitter power supply means, modulators and voltage compensation means, tripping threshold of modulators.
  • the emitters are fed by the same power supply means during the programming phases and the successive transmission phases for the display of the images, but the compensation of the threshold voltages is carried out during a phase of calibration prior to displaying the images.
  • the compensation means comprise means for measuring the drain current passing through a selected transmitter and means for comparing this drain current to a calibration setpoint of this emitter. These compensation means therefore do not make it possible to compensate for variations in triggering threshold voltages that would appear during the display phase of the images.
  • active matrix display devices comprising OLED transmitters, modulators and means for compensating tripping threshold voltages of the modulators.
  • the compensation means comprise means for measuring the drain current passing through a selected transmitter and means for comparing this drain current with a display setpoint.
  • the means for measuring the drain current are specific to each emitter of a column.
  • they comprise a resistor, two electrodes and two switches for each emitter of a column. This architecture is therefore complex and expensive.
  • An object of the present invention is the implementation of a control circuit less complex and therefore less expensive.
  • the figure 1 represents an active matrix display device according to the invention.
  • Such a device comprises a plurality of light emitters 2 forming a network of rows and columns, power supply means V dd of the emitters 2 and transmitter transmission control means 3.
  • V dd power supply means
  • transmitter transmission control means 3 transmitter transmission control means
  • the emitters 2 of the display panel are organic electroluminescent diodes. They include an anode and a cathode. They are each associated with a pixel when the panel is monochrome or a sub pixel when the display panel is full color. They emit a luminous intensity directly proportional to the current passing through them.
  • the power supply means V dd of the transmitters 2 comprise a DC voltage generator per column of transmitters 2. This generator V dd feeds a line 4, to which is connected all the emitters 2 of this column.
  • the control means 3 of the display device comprise an addressing circuit 6 for each transmitter, an array of selection electrodes 8 of line and column addressing and compensation means 12 of the tripping threshold modulators.
  • An addressing circuit 6 is connected to each transmitter 2 of the display panel.
  • the addressing circuit represented on the figure 1 is a classic structure circuit. In this type of circuit, the anode of the emitter forms the interface with the active matrix and the cathode of the emitter is connected to a ground electrode or a negative voltage.
  • the addressing circuit 6 comprises a current modulator 14, a switch 16 and a storage capacitor 18.
  • the current modulator 14 is a transistor based on a technology using polycrystalline silicon (Poly-Si) or amorphous silicon (a-Si) deposited in thin layers on a glass substrate.
  • Such components comprise three electrodes: a drain electrode and a source electrode between which the modulated current flows, and a gate electrode to which a data driving current I data is applied.
  • the thin film transistors are of type n or p.
  • the modulator 14 shown on the figure 1 is of type p. Its source is connected directly to the supply electrode V dd and its drain is connected directly to the anode of the emitter 2 so that in operation the modulated electric current flows between the source and the drain.
  • the modulator 14 is of type n, the drain is connected to the supply electrode V dd and the modulated electric current then flows between the drain and the source.
  • the power supply generator V dd is directly connected to all the modulators 14 for controlling the emitters of a column, so that it is always able to power a transmitter 2 selected and addressed whatever the step of process of transmitting an image frame.
  • the corresponding transmitter is powered by the single generator V dd .
  • the switch 16 is also a technology-based transistor using polycrystalline silicon (Poly-Si) or amorphous silicon (a-Si) deposited in thin layers.
  • One of its electrodes (drain or source) is connected to the addressing electrode 10 and the other electrode (drain or source) is connected to the gate of the modulator 14. Its gate is connected to the electrode 8 of line selection.
  • the storage capacitor 18 is disposed between the gate and the source of the modulator 14 to maintain the brightness of the transmitter 2 during an image frame duration. This capacitance is adapted to substantially maintain the constant voltage on the gate of the modulator 14 during a time interval corresponding to the frame duration.
  • the array of selection electrodes 8 and addressing 10 makes it possible to select and address a specific transmitter among all the transmitters of the display panel.
  • Each selection electrode 8 is connected to the gate of the switches 16 of a line and is able to transmit a selection voltage V select to all the emitters 2 of this line.
  • the selection voltage V select is a logical data selection of the transmitters.
  • Each addressing electrode 10 is connected to the source or the drain of the switches 16 of a column and is able to address a data driving current I data to the gate of the modulator 14 of the set of addressing circuits 6 of this column according to a data set U c .
  • the intensity of current flowing in the emitter is proportional to the amplitude of the current I data which is applied to the electrode 10.
  • the selection and addressing electrodes 10 are each controlled by a corresponding control driver 20, 22 for applying V select selection voltages and U c data instructions to the transmitters.
  • a corresponding control driver 20, 22 for applying V select selection voltages and U c data instructions to the transmitters.
  • the compensation means 12 of the triggering thresholds are able to compensate for the triggering threshold volt V.sub.th of all the modulators 14 addressed by the addressing electrode 10 of this column.
  • This controller comprises a measurement unit 26, a comparison unit 28, a control generator 30, a switch 32, a control unit 34 and initialization means 36 of the addressing circuits 6 of this column.
  • the measurement unit 26 is connected to the power supply electrode 4 of all the emitters of a column.
  • the measurement unit 26 is able to measure a value representative of the drain current I d of a modulator 14 selected by the selection electrode 8 and the gate of which a driving current I data is applied.
  • the role of the unit 26 is to extract from the sum of the currents measured in the line 4, only the current of the modulator 14 being programmed.
  • An exemplary embodiment of the measurement unit 26 will be described below in connection with the figure 2 .
  • the comparison unit 28 comprises two input terminals adapted to receive the data set U c addressed by the control driver 22 and a value representative of the drain current I d measured by the measurement unit 26.
  • the data set U c is a data voltage.
  • the comparison unit 28 is adapted to compare the amplitude of the voltage representative of the drain current I d and the amplitude of the data voltage U c during a so-called programming step C of the addressing circuit 6.
  • the comparison unit 28 comprises an output terminal capable of transmitting a warning signal S when the amplitude of the voltage representative of the intensity of the drain current I d and the amplitude of the data voltage.
  • U c are linked by a predetermined coefficient k of proportionality.
  • the warning signal S is a logic signal sent to the control unit 34.
  • the data setpoint is a digital datum or a data intensity.
  • the control generator 30 is a DC generator capable of supplying a control current I data which is a function of the data setpoint Uc applied to this generator. It is connected in series with the addressing electrode 10. It is able to receive the data voltage U c addressed by the column control driver 22 and to generate a control current I data whose amplitude is modulated in depending on the amplitude of the data voltage U c .
  • the switch 32 is connected in series at the output of the control generator 30. It is able to switch between a closed position in which the control current I data supplies the addressing electrode of all the control circuits. addressing 6 of the column and an open position in which the addressing circuits 6 are not addressed.
  • the control unit 34 is connected to the driver 22, to the output of the comparison module 28 and to the switch 32 to receive the data voltage U c and the warning signal S and to control the switching of the switch 32.
  • the control unit 34 is able to control the closing of the switch 32 on receipt of the data voltage U c and the opening thereof on receipt of the warning signal S.
  • the duration of the driving current I data generated is modulated depending on the threshold voltage V th unique to each modulator 14 as will be explained hereinafter.
  • the initialization means 36 of the addressing circuits 6 are connected in parallel to the generator 30 so that the image of a frame is not influenced by the image of the previous frame. They are able to emit a square voltage to discharge the storage capacity 18 and a parasitic capacitance induced by the display panel. They comprise a DC voltage generator 38 and a switch 40. The switch 40 is connected to the control unit 34. The control unit 34 is connected to the driver 20 to control the closing of the switch 40 on receipt of the selection voltage V select .
  • the addressing circuit 6 comprises a shunt switch of the storage capacity 18.
  • the figure 2 represents an embodiment of a unit 26 for measuring a value representative of the drain current I d flowing through the modulator 14 of the control circuit to which programming step begins.
  • Such a measurement unit 26 is connected to the supply line 4 of the emitters 2 of a column. It comprises a block 41 for determining the drain current I d , a low-pass filter 42, a differential block 43 and an amplifier 44.
  • the determination block 41 comprises a resistor 45, for example from 1 to 10 kilos Ohms, connected in series with the supply line 4 of the transmitters and a precision operational amplifier 46 whose terminals are connected to the supply line 4 on either side of the resistor 45.
  • the output of the amplifier 46 is connected on the one hand to the low-pass filter 42 , itself connected to a negative terminal of an amplifier 47 of the differential block 43 and secondly to a positive terminal of this amplifier 47.
  • the differential unit 43 comprises an amplifier 47 in a differential arrangement and a network of four resistors of the same value.
  • a first resistor R1 is connected between the positive input of amplifier 47 and a ground electrode.
  • a second resistor R2 is connected between the positive input of the amplifier 47 and the output of the amplifier 46.
  • a third resistor is connected between the negative input of the amplifier 47 and the output of the low-pass filter 42.
  • a fourth resistor R4 is connected between the negative input of the amplifier 47 and its output terminal.
  • the output of the differential block 43 is connected to an amplifier 44 having a high gain.
  • the determination block 41 is able to measure the total current supplying all the emitters of a column, including the drain current passing through the modulator 14 during programming thereof. This drain current then appears across the resistor 45 in the form of a current pulse.
  • the output voltage of the determination block 41 is proportional to the total current flowing through the line 4. This voltage is applied across the low-pass filter 42 which eliminates the high frequency component. This high frequency component corresponds to the current pulse generated by the modulator 14 fed by the line 4 and which is during a programming step.
  • the amplifier 47 of the differential unit receives at its negative input a voltage proportional to the total supply current of the line 4, except the component corresponding to the drain current passing through the modulator 14, and on its positive input a voltage proportional to the total current in line 4. Since the resistors R1, R2, R3 and R4 are of the same value, the output voltage V diff of the differential unit 43 is equal to the resistance 45 multiplied by the drain current of the modulator 14 which is in the a programming step. This voltage is amplified by the amplifier 44 and is then compared with the data voltage U c in the comparison block 28 as explained above.
  • the image display device is a voltage control circuit of the modulators.
  • the DC generator 30 is then replaced by a voltage supply generator and preferably by a ramp voltage generator.
  • the amplitude of the ramp voltage is modulated according to the value of the amplitude of the data setpoint, transmitted by the column control driver 22.
  • the duration of the ramp voltage addressed to the addressing circuits 6 is also modulated according to the trigger threshold voltage V th , by the comparison means 28 and the control unit 34.
  • the four graphs of Figures 3A to 3D represent the addressing steps of an emitter when this is carried out by the display device according to the invention.
  • steps comprise a step A of initialization of an addressing circuit 6, an intermediate step B, a programming step C thereof and a light emission step D proportional to the previously programmed control current I data. .
  • the line driver 20 applies a select voltage V to the electrode 8 of the selected line. This voltage is applied to the gate of the switches 16, connected to the line electrode 8.
  • the control unit 34 of the external controller 24 of a column controls the closing of the switch 40 and a voltage V init generated by the generator 38, is applied to the addressing electrode 10 of this column.
  • the voltage V init is applied to a terminal of the storage capacitor 18 to discharge it, the switch 16 being closed.
  • Intermediate step B is short-lived and its sole function is to create a dead time to separate the initialization and programming steps in order to avoid short circuits.
  • the column control driver 22 emits a data voltage U c
  • the control unit 34 controls the closing of the switch 32 and the control generator 30 generates a control current I data . Since the switch 16 is closed, the current I data generates a potential difference between the gate and the source of the modulator 14.
  • the intensity of this drain current I d which corresponds to a part of the current flowing in line 4, is measured by the measurement unit 26 and a voltage representative of this drain current is compared with the data voltage U c 22.
  • the amplitude of the intensity of this current is compared with the intensity of the drain current.
  • the drain current generated passes through the emitter 2 which lights up.
  • the generator V dd powers the transmitter 2.
  • the comparison unit 28 compares the data voltage U c with the voltage representative of the amplitude of the drain current I d . As visible on the 3D figure , the amplitude of the drain current increases quadratic depending on the voltage between the gate and the source of the modulator. Little by little, the driving current I data generated by the generator 30 causes an accumulation of charges in the storage capacitor 18 connected to the gate of the modulator 14. This accumulation of charges causes increased voltage V gs between the gate and the source of the modulator 14 and consequently, the progressive increase of the drain current I d .
  • the duration of the programming step is variable and depends on the tripping threshold of each current modulator of the column.
  • the addressing signal of each transmitter is therefore modulated in duration as a function of the trigger threshold voltages.
  • the current I data is of the order of a few micro-amps so that the storage capacity 18 and the parasitic capacitances generated by the structure of the display panel are quickly loaded. Since the current I data is approximately 4 times greater than the drain current I d , the programming time is short, approximately of the order of a few micros seconds ( ⁇ s).
  • the storage capacity 18 has been sufficiently charged so that the transmitter 2 continues to transmit after its addressing during the duration of the image frame, always being powered from the generator V dd .
  • the duration of addressing of the driving current I data corresponding to the duration of closing of the switch 32 is both a function of the triggering threshold voltage V th of the modulator 14 selected and the value of the setpoint I data. .
  • the compensation means 12 of the tripping threshold are able to modulate the duration of the control signal I data in turn for each modulator of the transmitter column.
  • Step D begins at the end of the programming step and ends at the end of the selection of the line 8.
  • the transmitter 2 is still selected but its programming is complete; it continues to transmit according to this programming thanks to the voltage stored at the terminals of the capacitor 28.
  • the drain current I d continues to through the modulator 14 and the transmitter 2 until the voltage across the storage capacity 18 is discharged during a new step A initialization of this addressing circuit.
  • the control pilots 20, 22 and the compensation means 12 are used to program another circuit.
  • the first transmitter 2 continues to transmit.
  • the generator V dd which supplied power to the transmitter 2 during the programming step C continues to supply it as long as the gate voltage of the modulator 14 is greater than its trigger threshold voltage.
  • the figure 4 represents an alternative embodiment of the invention in which the control means 3 are identical to those shown in FIG. figure 1 .
  • the addressing circuit 6 driving a light emitter 2 of conventional structure is replaced by an addressing circuit 66 driving a so-called inverted structure light emitter.
  • the cathode of the emitters 52 forms the interface with the active matrix and the anode of the emitters 52 is connected to the power supply generator V dd .
  • the source of the modulator 54 is connected to a ground or a negative voltage generator.
  • the cathode of the transmitter 52 is connected to the drain of the modulator 54.
  • the storage capacitor 58 is connected between the gate and the source of the modulator 54.
  • a switch 56 is addressed in current I data by an addressing electrode 60 and is selected by a selection electrode 68.
  • the power supply generator V dd is directly connected to all emitters 52 of all the columns without the interposition of a switching unit. As a result, this generator V dd powers all the emitters 52 during the programming step C and during the step D throughout the duration of the image frame. Consequently, it is the power supply means V ss which are connected separately to the compensation means 12.
  • the supply means are directly connected to each modulator or directly connected to each emitter of a column, the electrical diagram of the display device is simplified and technically more easily achievable.
  • each power supply generator V ss is capable of supplying all the emitters 52 of a column and each addressing electrode 60 is also able to address all the emitters 52 of a column, the means compensation 12 are able to successively compensate the trigger threshold voltage V th of all the modulators 14 of a column.
  • the compensation means 12 determine the duration of the signal before each frame, the variations of the tripping threshold related to the aging of the modulators are automatically compensated.
  • no switching unit is interposed between the generator V dd or V ss and the modulator 14 or the transmitter 52 to switch between two power supply sources of the transmitter during the programming and transmission process. This one. As a result, the useful light emitting area of the pixels is increased.
  • control means are simplified and their implementation is facilitated.
  • the compensation means of all the columns compensate for the dispersions of the trigger threshold voltages of the control circuit modulators of an active matrix screen.
  • the unit 26 for measuring the current passing through a modulator during a programming step C makes it possible to dispense with a switching unit associated with each transmitter.
  • the intensity of the driving current I data is high, the parasitic capacitances generated by the addressing column of the display panel are quickly loaded. As a result, the display device is addressed instantly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electroluminescent Light Sources (AREA)

Claims (13)

  1. Vorrichtung zum Anzeigen von Bildern auf einer Aktivmatrix, mit
    - mehreren Lichtemittern (2; 52), die ein in Zeilen und Spalten aufgeteiltes Netz bilden,
    - Leistungsversorgungsmitteln (Vdd), die dazu geeignet sind, die Gruppe von Emittern (2; 52) einer Spalte gleichzeitig mit Strom zu versorgen,
    - Steuermitteln (3) für die Emission der Emitter (2;52), die folgendes umfassen:
    - für jeden Emitter (2; 52) des Netzes einen Strommodulator (14; 54) mit einer Source-Elektrode, einem Drainanschluss und einer Gate-Elektrode wobei der Modulator dazu geeignet ist, von einem Drainstrom (Id) zum Versorgen des Emitters (2; 52) für eine Spannung zwischen dem Drain oder der Source und dem Gate durchlaufen zu werden, die größer oder gleich ist einer Schwellentriggerspannung (Vth),
    - für jede Emitterspalte (2; 52) Spaltenadressiermittel (10; 60), die dazu geeignet sind, aufeinander folgend jeden Emitter (2; 52) der Emitterspalte durch Anlegen eines für eine Datenvorgabe (Uc) repräsentativen Wertes (Idata, Vdata) an die Gate-Elektrode des Modulators (14; 57), der diesem Emitter (2; 52) zugeordnet ist, zu adressieren, um ihn im Verlauf eines Programmierschrittes zu steuern,
    - für jede Zeile von Emittern (2; 52) Zeilen Selektiermittel (8; 68), die dazu geeignet sind, aufeinander folgend die Emitter (2; 52) jeder Emitterzeile während des Programmierschrittes zu selektieren,
    - für jeden Modulator (14; 54) Speichermittel (18), die dazu geeignet sind, elektrische Ladungen an der Gate-Elektrode des Modulators (14; 54) zu speichern, und
    - Kompensationsmittel (12) für die Schwellentriggerspannungen mit Vergleichsmitteln (28), wobei die Vergleichsmittel (28) dazu geeignet sind, während des Programmierschrittes eines selektierten Emitters (2; 52) einen Wert, der für den den selektierten Emitter versorgenden Drainstrom (Id) repräsentativ ist, mit dem für die Datenvorgabe (Uc) repräsentativen Wert (Idata, Vdata) zu vergleichen, um die Menge von in den Speichermitteln (18) gespeicherten Ladungen zu steuern,
    - dadurch gekennzeichnet, dass die Kompensationsmittel (12) für jede Emitterspalte (2; 52)eine einzige Gruppe (26) zur Bestimmung eines für den den selektierten Emitter (2; 52) versorgenden Drainstrom (Id) repräsentativen Wertes ausgehend von einem Maß eines repräsentativen Wertes des Versorgungsstroms der Gruppe von Emittern (2; 52) der Spalte, die von den gleichen Versorgungsmitteln gleichzeitig während der Programmierphasen und der Emissionsphasen versorgt bleiben, aufweisen.
  2. Vorrichtung zum Anzeigen von Bildern nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zur Leistungsversorgung (Vdd) der Emitter direkt mit jedem Modulator (14) der Steuermittel verbunden sind.
  3. Vorrichtung zum Anzeigen von Bildern nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zur Leistungsversorgung (Vdd) der Emitter direkt mit jedem Emitter (2) einer Spalte verbunden sind.
  4. Vorrichtung zum Anzeigen von Bildern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Mittel zur Leistungsversorgung (Vdd) der Emitter einen Spannungsversorgungserzeuger aufweisen, der dazu geeignet ist, die Gruppe der Emitter einer Spalte zu versorgen, und dadurch, dass die Kompensationsmittel (12) dazu geeignet sind, aufeinander folgend die Schwelletriggerspannung (Vth) jedes Modulators (14; 54) der Gruppe der Emitter einer Spalte zu kompensieren.
  5. Vorrichtung zum Anzeigen von Bildern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kompensationsmittel (12) außerdem folgendes umfassen:
    - einen Steuerungserzeuger (30), der dazu geeignet ist, ein an das Gate des Modulators (14; 54) angelegtes Steuersignal (Idata) zu erzeugen, und
    - Mittel (28, 34) zur Modulation der Dauer des Steuersignals (Idata) in Abhängigkeit von dem Wert der Datenvorgabe (Uc) und dem Wert der Schwellentriggerspannung (Vth).
  6. Vorrichtung zum Anzeigen von Bildern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Datenvorgabe (Uc) eine Datenspannung ist und dass die Vergleichsmittel (28) dazu geeignet sind, ein Vorsignal (S) abzugeben, wenn die für die Stärke des Drainstroms (Id) repräsentative Spannung gleich einer Zahl mal der Datenspannung ist.
  7. Vorrichtung zum Anzeigen von Bildern nach Anspruch 5 in Verbindung mit Anspruch 6, dadurch gekennzeichnet, dass die Mittel zur Modulation der Dauer des Steuersignals (Idata) folgendes umfassen:
    - einen Unterbrecher (32) in Reihenverbindung mit dem Steuerungserzeuger (30) und
    - eine Kontrolleinheit (34), die dazu geeignet ist, den Unterbrecher (32) einerseits beim Empfang der Datenvorgabe (Uc) und andererseits beim Empfang des Vorsignals (S) umzuschalten.
  8. Vorrichtung zum Anzeigen von Bildern nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass das von dem Steuerungserzeuger (30) erzeugte Steuersignal (Idata) in der Amplitude in Abhängigkeit vom Wert der Datenvorgabe (Uc) moduliert ist.
  9. Vorrichtung zum Anzeigen von Bildern nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass der Steuerungserzeuger (30) ein Stromerzeuger ist und der Modulator (14; 54) dazu geeignet ist, im Strom gesteuert zu werden.
  10. Vorrichtung zum Anzeigen von Bildern nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass der Steuerungserzeuger (30) ein Erzeuger von linear ansteigender Spannung ist und der Modulator (14; 54) dazu geeignet ist, in der Spannung gesteuert zu werden.
  11. Vorrichtung zum Anzeigen von Bildern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kompensationsmittel (12) außerdem eine Mess-Gruppe (26) für die Stärke eines Stroms aufweisen, die dazu geeignet ist, die Stärke des Drainstroms (Id) zu messen, der einen selektierten Emitter (2) im Verlaufe des Programmierschrittes (C) durchläuft.
  12. Vorrichtung zum Anzeigen von Bildern nach Anspruch 11, dadurch gekennzeichnet, dass die Versorgungsmittel eine Leitung (4) aufweisen, an die die Messeinheit (26) direkt angeschlossen ist.
  13. Vorrichtung zum Anzeigen von Bildern nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Speichermittel zumindest eine Speicherkapazität (18) aufweisen, die mit dem Gate und der Source des Modulators (14) verbunden ist, und dadurch, dass die Vergleichsmittel (12) außerdem Initiiermittel (36) aufweisen, die dazu geeignet sind, einen Spannungsimpuls an die Kapazität anzulegen, um sie zu entladen.
EP04816458A 2003-12-23 2004-12-21 Vorrichtung zum anzeigen von bildern auf einer oled aktivmatrix Not-in-force EP1697920B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0315295 2003-12-23
PCT/FR2004/003328 WO2005071649A1 (fr) 2003-12-23 2004-12-21 Dispositif d'affichage d'images a matrice active

Publications (2)

Publication Number Publication Date
EP1697920A1 EP1697920A1 (de) 2006-09-06
EP1697920B1 true EP1697920B1 (de) 2009-10-14

Family

ID=34803296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04816458A Not-in-force EP1697920B1 (de) 2003-12-23 2004-12-21 Vorrichtung zum anzeigen von bildern auf einer oled aktivmatrix

Country Status (9)

Country Link
US (1) US8610651B2 (de)
EP (1) EP1697920B1 (de)
JP (1) JP2007515688A (de)
KR (1) KR20060123355A (de)
CN (1) CN1898719B (de)
AT (1) ATE445895T1 (de)
DE (1) DE602004023649D1 (de)
MX (1) MXPA06007060A (de)
WO (1) WO2005071649A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1863001A1 (de) * 2006-06-01 2007-12-05 Thomson Licensing Videoanzeigevorrichtung und Betriebsverfahren dafür
EP1863005B1 (de) * 2006-06-01 2010-08-04 Thomson Licensing Videoanzeigevorrichtung und Betriebsverfahren dafür
JP5240538B2 (ja) * 2006-11-15 2013-07-17 カシオ計算機株式会社 表示駆動装置及びその駆動方法、並びに、表示装置及びその駆動方法
US8026873B2 (en) 2007-12-21 2011-09-27 Global Oled Technology Llc Electroluminescent display compensated analog transistor drive signal
JP5107824B2 (ja) * 2008-08-18 2012-12-26 富士フイルム株式会社 表示装置およびその駆動制御方法
US8194063B2 (en) * 2009-03-04 2012-06-05 Global Oled Technology Llc Electroluminescent display compensated drive signal
CN102364568B (zh) * 2011-06-27 2013-11-06 昆山工研院新型平板显示技术中心有限公司 Amoled的像素单元电路及有机发光显示装置
US10847979B2 (en) * 2018-12-14 2020-11-24 Zhuhai Jieli Technology Co., Ltd Charging and communication system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3308880B2 (ja) * 1997-11-07 2002-07-29 キヤノン株式会社 液晶表示装置と投写型液晶表示装置
JP2001147659A (ja) * 1999-11-18 2001-05-29 Sony Corp 表示装置
JP3688564B2 (ja) * 2000-07-24 2005-08-31 株式会社神戸製鋼所 化学爆弾解体設備
JP2002091377A (ja) 2000-09-11 2002-03-27 Hitachi Ltd 有機ｅｌディスプレイ装置
TW561445B (en) * 2001-01-02 2003-11-11 Chi Mei Optoelectronics Corp OLED active driving system with current feedback
KR100370095B1 (ko) * 2001-01-05 2003-02-05 엘지전자 주식회사 표시 소자의 액티브 매트릭스 방식의 구동 회로
JP2002278513A (ja) 2001-03-19 2002-09-27 Sharp Corp 電気光学装置
US7224333B2 (en) * 2002-01-18 2007-05-29 Semiconductor Energy Laboratory Co. Ltd. Display device and driving method thereof

Also Published As

Publication number Publication date
US8610651B2 (en) 2013-12-17
ATE445895T1 (de) 2009-10-15
US20080272993A1 (en) 2008-11-06
WO2005071649A1 (fr) 2005-08-04
CN1898719B (zh) 2010-04-21
JP2007515688A (ja) 2007-06-14
EP1697920A1 (de) 2006-09-06
KR20060123355A (ko) 2006-12-01
CN1898719A (zh) 2007-01-17
DE602004023649D1 (de) 2009-11-26
MXPA06007060A (es) 2006-09-04

Similar Documents

Publication Publication Date Title
EP1644913B1 (de) Anzeigegeräte und steuerschaltung für einen lichtmodulator
EP2013863A1 (de) Organisches elektrolumineszenzdisplay
FR2884639A1 (fr) Panneau d'affichage d'images a matrice active, dont les emetteurs sont alimentes par des generateurs de courant pilotables en tension
EP0972282B1 (de) Vorrichtung zur steuerung einer matrixanzeigestelle
FR2864678A1 (fr) Dispositif d'affichage a electroluminescence et procede de commande de celui-ci
FR2882457A1 (fr) Circuit d'adressage de pixels et procede de controle d'un tel circuit
EP1697920B1 (de) Vorrichtung zum anzeigen von bildern auf einer oled aktivmatrix
EP1667100A1 (de) Automatische Anpassung der Vorladungsspannung in einer Elektrolumineszenzanzeige
WO2005059883A2 (fr) Cellule de commande electronique pour diode electroluminescente organique d'afficheur a matrice active, procedes de fonctionnement et afficheur
EP1964095B1 (de) Anzeigeschirm und steuerverfarhen mit transienter kapazitiver kopplung
EP1964094B1 (de) Verfahren zur steuerung eines anzeigeschirms durch kapazitive kopplung
EP1700290B1 (de) Bildanzeigeschirm und verfahren zur adressierung des schirms
EP1771838B1 (de) Bildanzeigevorrichtung und steuerungsverfahren für die anzeigevorrichtung
EP1864275B1 (de) Bildanzeigeeinrichtung und verfahren zu ihrer steuerung
EP1697919B1 (de) Bildanzeigeschirm
FR2832537A1 (fr) Procede et dispositif de commande en tension d'une source d'electrons a structure matricielle, avec regulation de la charge emise
EP0513325A1 (de) Pulsbreitenmodulationsgenerator mit zeitvernier
FR2886497A1 (fr) Dispositif d'affichage d'images video a matrice active avec correction des non-uniformites de luminance
EP1697997A1 (de) Bildanzeigeschirm und verfahren zur steuerung des schirms
FR2843225A1 (fr) Dispositif de visualisation d'images a matrice active et a compensation de seuil de declenchement

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060620

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
RTI1 Title (correction)

Free format text: DEVICE FOR DISPLAYING IMAGES ON AN OLED ACTIVE MATRIX

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 602004023649

Country of ref document: DE

Date of ref document: 20091126

Kind code of ref document: P

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: THOMSON LICENSING

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20091014

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100215

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100214

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100125

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

BERE Be: lapsed

Owner name: THOMSON LICENSING

Effective date: 20091231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100701

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100114

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

26N No opposition filed

Effective date: 20100715

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091231

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100115

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20101231

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100415

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20111221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091014

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20111221

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20201209

Year of fee payment: 17

Ref country code: FR

Payment date: 20201228

Year of fee payment: 17

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602004023649

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211231

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230527