WO2016083125A2 - Dispositif d'affichage, procédé de fabrication d'un dispositif d'affichage et procédé permettant de faire fonctionner un dispositif d'affichage - Google Patents

Dispositif d'affichage, procédé de fabrication d'un dispositif d'affichage et procédé permettant de faire fonctionner un dispositif d'affichage Download PDF

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Publication number
WO2016083125A2
WO2016083125A2 PCT/EP2015/076236 EP2015076236W WO2016083125A2 WO 2016083125 A2 WO2016083125 A2 WO 2016083125A2 EP 2015076236 W EP2015076236 W EP 2015076236W WO 2016083125 A2 WO2016083125 A2 WO 2016083125A2
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WO
WIPO (PCT)
Prior art keywords
photodetectors
pixels
display device
electrode layer
light
Prior art date
Application number
PCT/EP2015/076236
Other languages
German (de)
English (en)
Other versions
WO2016083125A3 (fr
Inventor
Michael Popp
Arndt Jaeger
Original Assignee
Osram Oled Gmbh
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 Osram Oled Gmbh filed Critical Osram Oled Gmbh
Publication of WO2016083125A2 publication Critical patent/WO2016083125A2/fr
Publication of WO2016083125A3 publication Critical patent/WO2016083125A3/fr

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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
    • 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]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K65/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element and at least one organic radiation-sensitive element, e.g. organic opto-couplers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
    • G09G2360/148—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel the light being detected by light detection means within each pixel

Definitions

  • Display device method for producing a display device and method for operating a display device
  • the invention relates to a display device, a
  • a method of manufacturing a display device and a method of operating a display device A method of manufacturing a display device and a method of operating a display device.
  • OLED displays in, for example, tablets or smartphones are equipped with a mixture of capacitive and inductive sensors in order to contact them by touching them
  • Fingers or with electrically conductive pins to control as will be described below with reference to FIG.7 illustrative. It is with the usual sensors
  • a conventional display 700 with an input element 714 and an electroluminescent region with organic material has on a carrier 702 an intransparent
  • the electrodes 704, 708 are by means of an electrical
  • Insulation (passivation, resist) 710 electrically isolated from each other.
  • the insulation can be transparent to light in the visible range.
  • Layer system 706 comprises one or more emitter layers in which visible light (illustrated in FIG. 7 as arrows with the reference Y - yellow light, G - green light, R - red light, B - blue light, W - white light) is generated.
  • the OLED emission can be via the operating current the OLED will be changed. This allows adaptation to external and internal lighting conditions.
  • Pixel density maximum about 430 dpi This corresponds to an occupancy density of approximately 20%.
  • a display glass 712 and a touch screen glass 714 In an OLED display with touch screen function, a display glass 712 and a touch screen glass 714, i.e. the input element 714 applied.
  • SAW surface acoustic wave
  • a "light barrier" optical system which typically places infrared light grids in front of a monitor, a system based on dispersive light intensity technology, a hybrid technology with infrared sensors, but these are very costly and can not be dynamically readjusted are.
  • the object of the invention is a compact display device with input and output function
  • a display device which has an image area with a multiplicity of photodetectors and a plurality
  • Pixels a first electrode layer, and a second electrode layer electrically insulated from and spaced apart from the first electrode layer is arranged.
  • the multitude of pixels and the multitude of photodetectors are among the first
  • Electrode layer and the second electrode layer are Electrode layer and the second electrode layer
  • the display device has a first one
  • the Arithmetic unit which is electrically connected to the plurality of photodetectors.
  • the first arithmetic unit is
  • the display device has a second arithmetic unit, which is electrically connected to the plurality of pixels.
  • the second arithmetic unit is set up to drive the pixels around
  • the second arithmetic unit is further set up, the image content of the predetermined image by means of the determined temporal
  • a display device Under a display device is a device
  • a moving image i. has a display function; and additionally having an input function for inputting an input in the image area.
  • Foreground of the display device are, for example, in a display of a smartphone, a tablet, a computer or a television.
  • the input function allows the user to interact with the user
  • Image area of the display By means of an entry in the
  • Image area can be functionally based on the displayed or
  • the change of the content of the information of the given picture may comprise displaying an enlarged or reduced area of the given image.
  • the change may include a rotation by an angle or a shift by a distance of a range of the predetermined image.
  • the change may include opening, closing or confirming a displayed menu or menu item.
  • the modification may include input of numbers, letters and / or symbols in the image area, for example an input of an ASCII character, for example on a keyboard shown in the image or as a drawing in the image area.
  • the input or Recording function of the display device in the foreground, for example, in a camera for taking pictures, such as moving images. The display function of the camera allows in this case, changing the
  • Input element monolithically integrated in the pixel matrix of the image area of the display device.
  • the photodetector controller has, for example, an assignment of an organic photodetector to each organic pixel.
  • the photodetectors and their leads are monolithic in the plane of the
  • Photo detectors it is possible to operate the display device without contact and / or with one or more fingers or a tool, such as a pen.
  • the lateral resolution and sensitivity of the input element of the display device can be changed, adjusted or grouped dynamically up to OLED pixel level and thus individually adapted to the respective operator, for example manually or automatically by detecting at least one input property of the operator, for example the
  • Speed of operator input the distance of the operator from a display input surface, or the number of concurrent, parallel inputs, such as multi-finger inputs.
  • any number of input areas in the image area can simultaneously detect its, for example more than 10 input areas simultaneously.
  • Functionality of the monolithically integrated photodetectors allows, for example, to detect the brightness of the ambient light, for the wavelength-dependent detection of the light emitted by the (sub) pixels, for detecting movements of the display device,
  • Display device allows, for example, an input by means of novel gestures.
  • a control by means of light can be made possible, for example by one of the principles to which the photodetectors respond.
  • a display device without physically existing controls can be produced.
  • the photodetectors react to light.
  • an input can be operated, for example, with a pen with a glowing pen tip, for example by the pin has a light emitting diode.
  • Touchscreen chips optional, which saves space.
  • the first arithmetic unit and / or the second arithmetic unit may be integrated in the display controller.
  • additional lines such as in a conventional touchscreen unit are not required or in reduced numbers.
  • the display device can be formed such that the photodetectors at a very high
  • the photodetectors may be incorporated or integrated in low density in the image area, but substantially the entire image area may still have an input function.
  • At least part of the plurality of photodetectors is / are organic
  • An organic optoelectronic component has an organically functional layer structure, for example with at least one electroluminescent layer.
  • the non-contact input in the display device can be realized by means of the monolithic integration of the photodetectors with the pixels with a single principle.
  • an input with a gloved finger is possible. It is in the display device according to
  • At least part of the plurality of photodetectors is formed as a part of the plurality of pixels.
  • at least part of the plurality of pixels is formed as a part of the plurality of photodetectors.
  • Layer structures of at least a portion of the plurality of pixels and the plurality of photodetectors may be equal to each other. This can be different
  • Wavelength-dependent detections are possible.
  • the photodetectors are formed in the display device such that the intensity of a device-external light incident on the photodetectors can be determined by the photodetectors.
  • the photodetectors are formed in the display device in such a way that the intensity of a part of the image emitted by pixels
  • Photodetectors can be determined. This allows or is made possible by a free
  • Change in reflectivity at the interface By means of the change in reflectivity, the proportion of light incident on at least one photodetector is changed. As a result, a change in the light intensity can be determined.
  • Pixels for example by means of an insulating structure.
  • the display device is free of such
  • Waveguide or transverse line This makes it possible for the display device alone by means of the change of
  • At least part of the plurality of photodetectors is designed to be electrically switchable such that the part can be switched into an optically active state and into an optically inactive state.
  • the number density of optically active photodetectors in the image area can be set electrically.
  • Input function of the image area for example, with respect to the needs of the operator or the user of
  • Display device Furthermore, by a pixel-fine dynamic definition of the input areas, for example, the touch fields of the image area, in the operation of
  • Display device can be enabled. This allows the
  • Input area are adaptable to the image displayed in the image area.
  • the display device further comprises at least one reference photodetector.
  • the reference photodetector is optically coupled to at least a portion of the plurality of pixels.
  • the reference photodetector is optically coupled to at least a portion of the plurality of photodetectors.
  • the reference photodetector for example, is optically isolated from the ambient light and measures only the leakage current in the image area.
  • the leakage current can
  • Pixels or a device-external radiation source is emitted, and waveguide to the
  • Reference photo detector is transmitted or directed.
  • the reference photodetector has no or a smaller age-related decrease in the
  • the reference photodetector comprises an inorganic photodetector, for example a silicon-based diode.
  • the object is achieved according to a further aspect of the invention by a method for producing a display device.
  • the method comprising the steps of: forming an image area having a plurality of photodetectors and a plurality of pixels; Forming a first
  • Electrode layer electrically insulated from the first electrode layer and at a distance from this
  • Electrode layer and the second electrode layer are Electrode layer and the second electrode layer
  • Electrode layer arranged formed. Furthermore, the method comprises an electrical connection of a first
  • the method comprises an electrical connection of a second arithmetic unit with the plurality of pixels, wherein the second
  • Arithmetic unit is set up to control the
  • Pixels to represent a given image in the image area and further is set, the image content of the predetermined image by means of the determined temporal
  • the object is achieved according to a further aspect of the invention by a method for operating a display device according to one of the above-described Training.
  • the method comprises determining a temporal change of the by means of at least one
  • Photo detector detected light intensity in one
  • predetermined area of the image area driving the pixels to represent a predetermined image in the image area, and changing the image content of the image
  • the display device is controlled such that only a predefinable area of the image area an input function or a
  • Incorrect inputs or faulty image outputs can be detected or reduced.
  • the display device is controlled in such a way that the number density of photodetectors in the image area can be changed from a first number density to a second number density, wherein the first
  • Number density and the second number density differ in at least the size of the number density and / or the wavelength sensitivity of the photodetectors.
  • this can be a pixel-fine dynamic definition of the input areas, for example, the touch fields of the image area, in
  • Operation of the display device can be enabled. This allows the input area to be in the image area
  • the display device is operated in a first operating mode and a second operating mode.
  • a part of the plurality of pixels is driven to represent a part of an image and in the second operating mode the part of the
  • Photodetectors operated, and detected light intensities of the part of the plurality of photodetectors. As a result, different wavelength-dependent detections of light of the pixels and / or a device-external radiation source can be made possible.
  • Figure 1 is a schematic representation of a display device according to various aspects
  • Figures 2A-H are schematic representations of pixels
  • Figures 3A-C are schematic representations of pixels
  • Figures 4A-C are schematic representations of pixels
  • FIG. 5 shows a flow chart for a method for the
  • FIG. 6 shows a flow chart for a method for
  • Figure 7 is a schematic representation of a
  • An optoelectronic component may have one, two or more optoelectronic components.
  • an optoelectronic component may also have one, two or more electronic components.
  • An electronic component may have, for example, an active and / or a passive component.
  • An active electronic component may have, for example, a computing, control and / or regulating unit and / or a transistor.
  • passive electronic component may, for example, a capacitor, a resistor, a diode or a coil.
  • An optoelectronic component may be an electromagnetic radiation emitting device or a
  • An electromagnetic radiation absorbing component is, for example, a photodetector.
  • Electromagnetic radiation emitting device is a pixel in various embodiments, i.
  • electromagnetic radiation emitting semiconductor device for example as an electromagnetic
  • electromagnetic radiation emitting diode as an electromagnetic radiation emitting transistor or as an organic electromagnetic radiation
  • the radiation may, for example, be light in the visible range, UV light and / or infrared light.
  • the radiation may, for example, be light in the visible range, UV light and / or infrared light.
  • light emitting diode light emitting diode
  • organic light emitting diode organic light emitting diode
  • Component may be part of an integrated circuit in various embodiments. Furthermore, a
  • a plurality of light emitting devices be, for example, housed in a common
  • Fig.l shows a schematic representation of a display device 100 and a schematic sectional view A-A of a portion of the display device 100, without representation of peripheral components, such as TFT components.
  • the display device 100 may include an image area 140 and an optically inactive area 150.
  • the image area 140 has a plurality of pixels 102 (also referred to as pixel 102 or emitter pixel 102) and a plurality of photodetectors 104 (also referred to as sensor 104 or sensor pixel 104), for example
  • the image area 140 has an input function and a
  • the output function of the image area has functionally the plurality of pixels 102.
  • the input function functionally indicates the plurality
  • the display device 100 is thus designed such that an input and an output directly in the image area 140 of the display device 100 is possible.
  • the input in the image area relates to an image output in the image area, i. the input stands with the
  • the display device 100 further includes a first one
  • Computing unit 160 which by means of an electrical
  • Connection 162 is electrically connected to the plurality of photodetectors 104.
  • the first arithmetic unit 160 is for controlling and / or
  • the first arithmetic unit 160 is
  • the first arithmetic unit 160 is to determine a lateral distribution of
  • Determining the temporal change is determining a difference in the distribution of the determined
  • Arithmetic unit 160 provide a signal, for example at a signal output 164 of the first processing unit 160th
  • the display device 100 has a second one
  • Arithmetic unit 170 which by means of an electrical
  • Connection 172 is electrically connected to the plurality of pixels 102.
  • the second arithmetic unit 170 is for controlling and / or regulating the optical activity of the plurality of pixels 102
  • the second arithmetic unit 170 is arranged to drive the pixels 102 to represent a predetermined image in the image area.
  • the second arithmetic unit has an active or passive matrix of electrical lines and / or is electrically connected to the pixels 102 by means of such.
  • the second arithmetic unit 170 is further set up, the image content of the predetermined image by means of the determined temporal
  • the second arithmetic unit has, for example, a signal input 174.
  • the image content of the given image can be changed, for example, by means of an electrical connection 168 of the signal output 164 of the first arithmetic unit 160 to the signal input 174 of the second arithmetic unit 170.
  • Photo detectors 104 in the image area 140 detected input This can be correlated, for example, with the image output by means of the pixels 102 in the image area 140.
  • a pixel 102 is configured to emit visible light, for example as one
  • a photodetector 104 is at least for detecting a light intensity of at least a part of that of the
  • Device-external light 120 formed, for example as a photoresistor, an (organic) light emitting diode in
  • An input is, for example, an instruction, a command, a request, or the like.
  • the optically active structures of the plurality of pixels and the plurality of photodetectors are formed in the same layer.
  • At least part of the plurality of photodetectors has the same layer sequences or a predominantly equal proportion of layers as at least part of the plurality of pixels.
  • the display device 100 has a display device glass 116, a first electrode layer 108, a second one Electrode layer 106, an insulating structure 112, an optically active structure 110 of the pixel 102, and an optically active structure 114 of the photodetector 104;
  • a display device glass 116 for example, illustrated in the sectional view AA and below in more detail, wherein optically and / or electrically similar areas in the sectional view AA are provided with the same hatching.
  • At least a part of the plurality of photodetectors 104 can be set up such that light incident on the photodetector is color-sensitive or
  • An indirect coupling has, for example, a light coupling, with a
  • the display device glass 116 has a surface 124. At least a portion of the plurality of photodetectors 104 and at least a portion of the plurality of pixels 102 are disposed relative to each other with respect to the surface 124 and optically coupled to one another such that at least a portion 122 of the
  • the photodetectors 104 and pixels are optically coupled substantially by means of the surface 124 of the display device glass 116.
  • Photodetectors 104 and the plurality of pixels 102 representatively using the example of the image point 102 and the photodetector 104 shown in the sectional view A-A
  • Pixel 102 with appropriate control a visible light 118. Apparently emits a pixel 102 of the
  • Image area 140 a light 118 around a part of a
  • the pixel 102 emits, for example, a mixed light 118 having a white hue by means of subpixels emitting a blue light (first light) and a yellow light (second light).
  • the photodetector 104 may be optically coupled to the pixel indirectly by reflection of a portion of the light emitted from the pixel 102 toward the photodetector 104, for example, similar to the principle of an incident light scanner or an incident light assembly.
  • the detectable by the photodetector 104 part of the emitted light is thereby by reflection at an interface
  • Pixel 102 emitted light thus falls indirectly
  • a display device external light 120 falling from a display device external radiation source falls
  • the display device external light can
  • ambient light clearly also be referred to as ambient light.
  • one is transparent or optically opaque to visible light
  • partially transparent insulating structure 112 is provided.
  • Insulating structure 112 may be formed such that a direct incidence of the light emitted from pixel 102 incident on the photodetector 104, for example, an opaque or specular insulating structure 112 in the direct
  • Light path between the pixel 102 and the photodetector 104 may be formed.
  • the photodetectors 104 are formed in the display device 100 such that the intensity of a device-external light 120 incident on the photodetectors 104 can be determined by the photodetectors 104. In various developments, the photodetectors 104 are embodied in the display device 100 such that the intensity of a part 122 of the pixel 102
  • emitted light incident on the photodetectors 104 can be detected by the photodetectors 104.
  • At least a portion of the plurality of photodetectors 104 and at least a portion of the plurality of pixels 102 are arranged in a reflected-light arrangement with respect to one another.
  • the display device 100 is designed in such a way and the photodetectors 104 and the pixels 102 are arranged relative to each other and
  • the predetermined number includes the closest to the Photodetector 104 adjacent pixels. In various developments, the predetermined number includes the am
  • the predetermined number is adjustable, for example by means of a pulsed
  • At least part of the plurality of photodetectors 104 is optically isolated from
  • the plurality of pixels 102 are at least a portion of the plurality of pixels 102.
  • the plurality of pixels 102 are at least a portion of the plurality of pixels 102.
  • Photo detectors 104 optically isolated from the plurality of pixels 102, for example by means of the insulating structure 112th
  • the photodetector 104 In the optically inactive state of the pixel 102 (off-state), the photodetector 104 detects the display device external light 120.
  • the start or initial brightness of the light 122 emitted by the pixel 102 can be determined with the display device-external light 120.
  • the start or initial brightness can be used as a reference value in order to be able to determine a partial shading of a part of the image area 140, for example in order to be able to determine an input in the image area 140.
  • the shading or touching with a finger or stylus from a predetermined area of the image area 140 may be detected by means of the photodetector 104 in a change of the detected
  • Light intensity of the photodetector 104 are determined in the predetermined range. As a result, in the event that the change in the detected light intensity is greater than a predetermined threshold, an input in the
  • the threshold can For example, in order not to misinterpret electronic noise or fluctuation of the intensity of the display device external light 120 as input.
  • the threshold value may be adjustable and depending on the input method, for example, whether shading in the predetermined range by means of a change in the detected light intensity of device external light or of light emitted from the pixel 102.
  • the threshold value may be adjustable and depending on the input method, for example, whether shading in the predetermined range by means of a change in the detected light intensity of device external light or of light emitted from the pixel 102.
  • the threshold value may be adjustable and depending on the input method, for example, whether shading in the predetermined range by means of a change in the detected light intensity of device external light or of light emitted from the pixel 102.
  • adjustable threshold depending on the input means, for example by means of a finger or a pen.
  • the adjustable threshold value may be dependent on the input speed, for example by means of a stay of a finger or stylus in the predetermined area or a movement of a finger or stylus in the predetermined area.
  • the adjustable threshold value may be dependent on the number of simultaneous inputs, for example, whether an input with one finger or two or more fingers takes place simultaneously.
  • the threshold value may, for example, be a change in the determined light intensity by an amount of approximately at least 5%, for example at least 10%.
  • the threshold may be a change in the
  • the threshold having a minimum area of the contiguous area
  • the threshold may be a temporal change in light intensity in a contiguous path with a have minimum length, for example at least 100 ym, for example at least 1 mm, for example at least 1 cm.
  • an input will not be accepted until, for example, a finger or stylus is passed at least the minimum length across the display device glass.
  • the threshold value may be a temporal change of the light intensity, a minimum duration and / or a
  • the display device 100 further comprises an electrical memory, wherein in the electrical memory, a threshold can be entered and stored; and wherein the electrical memory is electrically connected to the first computing unit 160, so that the content of the electrical memory in determining the
  • Difference of the distribution of the light intensities of the first computing unit 160 is retrievable.
  • the proportion of the module-external light 120 to the light incident on the photodetector 104 may be greater than the proportion of the light 122, that of the pixel 102
  • Pixel 102 of the plurality of pixels 102 at least a first subpixel (subpixel) emitting at least one light having a first wavelength spectrum; and a second subpixel emitting at least one second light having a second wavelength spectrum.
  • the first wavelength spectrum is different from the second wavelength spectrum.
  • the pixel 102 is designed to emit a mixed light. The mixing of the first light and the second light takes place
  • the first light and the second light in the same direction are emitted.
  • the first light and the second light can be emitted simultaneously or at a time interval, for example by means of a pulse-modulated control of the subpixels.
  • the time interval can be smaller than the temporal
  • Inertia of the human eye is thus perceived as a mixed light. Additionally or alternatively, the mixing of the first light and the second light takes place in that the lateral distance of the first light-emitting component to the second light-emitting component is smaller than the lateral resolving power of the human eye.
  • the pixel has a
  • Scattering structure for example, ym-sized scattering particles in a resin matrix in the beam path of the light emitted from the pixel 102, so that the first light and the second light are mixed in the scattering structure.
  • the second sub-pixel is formed on or above the first sub-pixel, for example, stacked. Alternatively or additionally, the second subpixel is arranged next to the first subpixel.
  • the pixel 102, the sub-pixels and / or the photodetector 104 are as one
  • the pixels of at least a portion of the plurality of pixels have at least a first sub-pixel and a second sub-pixel, wherein the first sub-pixel emits a light having a first wavelength spectrum and the second sub-pixel Image point is formed for emitting a light having a second wavelength spectrum.
  • Wavelength spectrum and the second wavelength spectrum differ in at least one wavelength range.
  • At least a first light-detecting device also referred to as a photodetector, which is formed
  • Light-detecting device which is formed at least a second light with a second
  • Wavelength spectrum and the second wavelength spectrum in at least one wavelength range in intensity
  • a blue-sensitive sensor detects only blue light and not yellow light
  • a yellow-sensitive sensor (second light-detecting device) only yellow light and not blue light.
  • the plurality indicates
  • Photodetectors at least a first part, which is sensitive only to electromagnetic radiation of a first
  • Wavelength spectrum is; and a second part that is only sensitive to electromagnetic radiation of a second
  • Wavelength spectrum is. The first wavelength spectrum and the second wavelength spectrum are different
  • Photodetector 104 of the same type as a subpixel or pixel 102.
  • At least a portion of the plurality of photodetectors 104 are / are organic
  • optoelectronic components formed.
  • At least a part of the plurality of photodetectors has a first layer structure and at least a part of the plurality of pixels has a second layer structure, wherein the first layer structure is identical to the second layer structure.
  • at least part of the plurality of photodetectors 104 is formed as a part of the plurality of pixels 102. Alternatively or additionally, at least part of the plurality of pixels 102 is formed as a part of the plurality of photodetectors 104.
  • the photodetectors 104 and the pixels 102 are arranged in a common layer structure. In various developments, the photodetectors 104 and the pixels 102 are monolithically integrated.
  • the number density of photodetectors and the number density of pixels have a substantially uniform distribution in the image area.
  • At least part of the plurality of photodetectors 104 is electrically switchable
  • Photo detectors 104 in the image area 140 electrically
  • an electrically active region of a pixel 102 and an electrically active region of a photodetector 104 respectively comprises: a part of a first electrode layer 108, an optically active structure 110, 114 and a part of a second electrode layer 106.
  • the optically active structure 110, 114 is electrically connected to the first electrode layer 108 and the second
  • Electrode layer 106 connected.
  • the display device 100 is formed over a large area, flat or bendable.
  • the display device 100 in the image area 140 in so-called bottom-emitter design, top-emitter design, bidirectionally emitting design and / or transparent.
  • the emitted light 118 is transmitted through the substrate (bottom emitter); in the direction of the side facing away from the substrate (top emitter); emitted in both directions (bidirectional) or in several or many directions (omnidirectional) simultaneously or sequentially.
  • the display device 100 has a first electrode layer 108 and a second electrode layer 106, which differs from the first
  • Electrode layer 108 electrically isolated and in one
  • the pixels 102 have an optically active structure 110, and the photodetectors an optically active structure 114.
  • the plurality of pixels 102 and the plurality of photodetectors 104 are connected to the first electrode layer 108 and the second
  • Electrode layer 106 is electrically connected, and sandwiched between the first electrode layer 108 and the second electrode layer 106.
  • the optically active structures 110, 114 of the pixels 102 and the photodetectors 104 are sandwiched between the first electrode layer 108 and the second electrode layer 106.
  • the optically active structure 110 of the pixel 102 is designed to emit an electromagnetic radiation from a supplied electrical energy.
  • the optically active structure 114 of the photodetector 104 is for generating an electric current and / or an electric voltage from one provided
  • the optically active structure 110, 114 may be an organically functional
  • Layer structure 110, 114 may include a hole injection layer, a hole transport layer, an emitter layer, a
  • the layers of the organic functional layer structure 110, 114 may be arranged between the electrodes 108, 106 such that in operation electrical charge carriers from the first
  • Electrode layer 106 can flow, and vice versa.
  • the first electrode layer 108 may be transparent with respect to the light emitted and / or absorbed by the organic functional layer structure 106.
  • the first electrode layer 108 and the second electrode 108 are identical to each other.
  • Electrode layer 106 may be the same or different.
  • the first electrode layer 108 is formed as an anode, ie as a hole-injecting electrode or as a cathode, that is to say as an electron-injecting electrode.
  • Electrode layer 106 may / may be patterned
  • the photodetector 104 in one of the electrode layers 108, 106 has at least one electrode which is the same regardless of the electrode Electrode layer of the pixel 102 can be energized
  • the photodetector 104 at least one electrode that is electrically isolated from
  • At least one electrode of the pixel 102 is at least one electrode of the pixel 102.
  • the first electrode layer 108 is transparent when emitted through the display device glass 116, such as a transparent conductive oxide
  • Metal layer for example with a thickness of less than 100 nm.
  • the second electrode layer 106 may in this case be opaque, for example reflective,
  • the second electrode layer 106 may be reflective
  • the second electrode layer 106 comprises an electrically conductive material, for example a
  • the second electrode layer 106 is transparent with respect to the light emitted and / or absorbed by the optically active structure 110, 114,
  • the second electrode layer 106 has a transparent conductive oxide of one of the following
  • the second electrode layer has a layer thickness in one
  • the display device 100 has a substrate in the image area 140, on or above which the layers or structures of the pixel 102 and the photodetector 104 are formed, for example, deposited.
  • the substrate may be used as display device glass 116
  • first electrode layer 108 is formed on or above the display device glass 116 and the other
  • Electrode layer 108 are formed.
  • the display device in the image area 140 has a carrier in the form of a cover, the cover having a passive or active matrix of electrical lines to drive the plurality of pixels 102; for example, with a thin film transistor (thin film transistor - TFT) structure.
  • a thin film transistor thin film transistor - TFT
  • the substrate is a carrier (not
  • the second electrode layer 106 is formed on or above the carrier and the further layers or structures on or above the second
  • Electrode layer 106 are formed.
  • the display device glass 116 is in this case configured as a cover of the first electrode layer 108.
  • the second electrode layer 106 is a substrate
  • the carrier has a passive or active matrix of electrical lines to connect the
  • the display device glass 116 has a chemically tempered glass or is formed in such a way, for example as a so-called display glass.
  • a chemically toughened glass in the glass production by ion exchange, for example in an approximately 400 ° C. warm alkaline molten salt, compressive stresses can be introduced close to the surface in the glass which cause crack propagation in the display device. Glass 116 complicates a glass substrate without such ion exchange.
  • the display device glass 116 may be or include, for example, an aluminosilicate glass.
  • the display device glass 116 may have a thickness in a range of about 0.7 mm to about 2 mm.
  • the display device glass 116 may be characterized by a high resistance to breakage and scratching, for example by a
  • Developments is formed for example as a foil or a sheet. Alternatively or additionally, the
  • the carrier can be designed to be electrically conductive, for example as a metal foil or a glass or plastic carrier with a conductor structure.
  • the support comprises or is formed from glass, quartz, and / or a semiconductor material.
  • the carrier comprises or is formed from a plastic film or a laminate with one or more plastic films.
  • the carrier may be transparent.
  • the support is mechanically flexible, for example, bendable, bendable or formable.
  • the carrier is configured as a foil or a metal sheet.
  • the carrier has at least one mechanically rigid, non-flexible region.
  • Electrode layer 106 may be electrically conductively connected to an electrically conductive carrier 102. As a result, for example, a contacting of the first
  • Electrode layer 108 and / or the second electrode layer 106 carried by the carrier 102, which simplifies the contacting of the optoelectronic assembly 100.
  • Electrode layer 108 and / or the second electrode layer 106 carried by the carrier 102, which simplifies the contacting of the optoelectronic assembly 100.
  • Pixel 102 and at least one photodetector 104 electrically and / or optically isolated from each other.
  • the electrical and / or optical insulation is formed, for example, by means of an electrically insulating and / or an opaque, a reflecting or a reflecting insulating structure 112.
  • the pixel 102 and the photodetector 104 may be optically, electrically, and / or physically isolated from each other, for example by means of the insulating structure 112, by the insulating structure 112 of an electrically non-conductive and / or
  • the first electrode layer 108 is electrically insulated from the second electrode layer 106.
  • the insulating structure 112 has, for example
  • Resist a resin or a ceramic in which, for example, (nano) particles are distributed to the optical
  • Properties such as the refractive index or the transmission coefficient to adjust.
  • the display device 100 has an encapsulation structure in the image area 140.
  • the encapsulation structure is formed such that the plurality of pixels 102 and the plurality of photodetectors 104 are hermetically sealed with respect to diffusion of a chemically reactive or dissolving substance relative to the optically active region 110, 114 through the encapsulation structure into a photodetector 104 or a pixel.
  • the optically active region 110, 114 is hermetically sealed by means of the encapsulation structure with respect to diffusion
  • At least one substance which is harmful to the optically active region 110, 114 for example water, sulfur, oxygen and / or their compound.
  • Photodetectors 104 are monolithically integrated
  • the display device glass 116 has the same or approximately the same dimension as the one
  • Carrier and encloses the pixels 102 and the
  • Photo detectors 104 hermetically sealed.
  • Encapsulation structure has a diffusion rate with respect to
  • Em with respect to water hermetically dense substance or a hermetically sealed mixture of substances comprises a ceramic, a metal and / or a metal oxide or is formed therefrom.
  • a pixel pair of OLED emitter 102 For example, a pixel pair of OLED emitter 102 and
  • the sensor pixel 104 may be optically separated from the emitter pixel 102, for example by means of an opaque insulating structure 112, for example an opaque resist 112.
  • an opaque insulating structure 112 for example an opaque resist 112.
  • the sensor pixel 104 has the identical layer structure as the emitter pixel 102, i. the
  • the sensor 104 is monolithically integrated with the
  • Emitter pixel 102 is for example in the same
  • the optically inactive region 150 of the display device 100 has a holder, an electrical contact structure of the image region 140, the first arithmetic unit 160 and / or the second arithmetic unit 170.
  • the optically inactive region 150 has a further input function, by means of which at least one property of the image region 140 can be adjusted.
  • the property to be set can
  • the display device 100 may have a first computing unit 160, which is set up such that the input function of the image area and the input function of the optically inactive area can be used to input a common input in the display device 100.
  • a menu item for changing the brightness of the image area 140 may be selected and by means of the input function of the
  • Image area of the brightness value can be set, or vice versa.
  • the display device 100 may have a first arithmetic unit 160, which is set up such that the input function of the image area 140 and the input function of the optically inactive area 160 are different only for inputting
  • Inputs are set up. For example, with the
  • Brightness of the image area 140 are set and a cursor over the image area 140 are moved by means of the input function of the image area.
  • a property of the display device 100 can be set by means of the input function of the optically inactive region 150 or be entered; and, by means of the input function of the image area 140, inputting an input is made taking into consideration the image content of the image output in the image area.
  • the input function of the optically inactive region 150 or be entered; and, by means of the input function of the image area 140, inputting an input is made taking into consideration the image content of the image output in the image area.
  • Display device 100 is electrically connected to the second computing unit 170, which controls the output function of the
  • Arithmetic unit 170 the determined input of the image area 140 is transmitted and can be processed by this in the form of a change in the image content.
  • the display device 100 further comprises at least one reference photodetector (not illustrated).
  • the reference photodetector is optically coupled to at least a portion of the plurality of pixels 102.
  • the reference photodetector is optically coupled to at least a portion of the plurality of pixels 102.
  • Reference photodetector optically coupled to at least a portion of the plurality of photodetectors 104.
  • the reference photodetector is a
  • Reference photodiode for example, a silicon-based photodetector.
  • the image area 140 has the reference photodiode (not
  • Pixels 102 are determined. This allows a
  • FIG.2A-H illustrate schematic plan views of
  • the sub-pixels 202, 204, 206 form the pixel 102 in one RGB matrix (red-green-blue - RGB) or GBGR matrix (green-blue-green-red - GBGR) of the image area 140 of FIG
  • optically active structure 110 of the display device 100 described in FIG. 1 the optically active structure 110 of the display device 100 described in FIG.
  • Illustrated pixel 102 may include one of the arrangements of sub-pixels 202, 204, 206 illustrated in FIGS. 2A-H.
  • a pixel 102 in various refinements has at least a first sub-pixel 202 and a second sub-pixel 204.
  • the first sub-pixel 202 is formed to emit a green light, for example, and the second sub-pixel 204 is configured to emit a red light.
  • the pixel 102 furthermore has at least one further subpixel, for example a third subpixel 206
  • the third subpixel 206 is equal to or approximately equal to the first subpixel 202 or the second subpixel 204, for example illustrated in FIGS. 2A, C, F, G, H as two first subpixels 202.
  • two sub-pixels that are configured to emit the same green light may be provided in one pixel, as they age faster than the second sub-pixel 204 of the pixel 102.
  • two or more first sub-pixels 202 may be provided in the event that
  • Luminous efficiency of a single first sub-pixel 202 is too low with respect to the light expansions of the second sub-pixel 204 and the predetermined hue of the mixed light of the first light and the second light.
  • Mixed light has a predetermined brightness range, a predetermined saturation range and / or a
  • a further sub-pixel is different from the first sub-pixel 202 and the formed second sub-pixel 204 light-emitting device, for example, in Figure 2A-H illustrated as another sub-pixel 206, for example, to a
  • Emitting a blue light is set up.
  • FIGS. 2A-H Illustrated in FIGS. 2A-H is furthermore that the sub-pixels 202, 204, 206 can be arranged laterally next to each other. Alternatively, the subpixels 202, 204, 206 are stacked or formed,
  • the subpixels 202, 204, 206, 210 may each have a punctiform, circular ( Figure 2C-E, H), linear, triangular; have square, strip-like (Fig.2A, B, F, G) or polygonal shape.
  • the subpixels 202, 204, 206 may be in one
  • the RGB matrix or GBGR matrix of the plurality of pixels 102 may be an array of
  • the sub-pixels 202, 204, 206 are designed as light-detecting components, for example as photodetectors 104, or act and are operated in this way.
  • a subpixel as a photodetector, the number of
  • Developments is a part of the plurality of photodetectors 104 according to a white light emitting
  • Such a (sub-) pixel 208 may be sensitive to the color components of the white light and a photocurrent or incidence of white light create a photo voltage.
  • a sub-pixel 208 used as the photodetector 104 may be arranged as a central pixel to the sub-pixels 202, 204, 206 of the pixel 102, for example
  • the pixel 102 has a subpixel emitting a white light, for example illustrated in FIG. 2H as a component 208.
  • a subpixel emitting a white light for example illustrated in FIG. 2H as a component 208.
  • light 122 from the subpixels and assembly external light 120 can be detectable at the same time. This is an input detection by a shadowing of
  • the photodetector 104 has at least one first photodetector 208 and one second photodetector 212 or multiple photodetectors 214, 216.
  • the second photodetector 212 or the other photodetectors 214, 216 may be sensitive to another
  • Wavelength range should be formed out as the first one
  • Photodetector 208 and / or next to the sensitive one
  • Wavelength range of the first photodetector have at least one further wavelength range in which they are sensitive, i. generate a measurable light intensity
  • a photocurrent for example, a photocurrent or a photo voltage.
  • the pixel 102 has two or more sub-pixels 202, 204, 206. Furthermore, the photodetector 104 has one or more pixels per pixel
  • Photodetector (s) 208, 212, 214 In different
  • the plurality of photodetectors 212, 214, 216 are sensitive to at least one different wavelength range, for example with respect to the light 122 emitted by the sub-pixels (see FIG. 1), for example illustrated in FIG. 2F, G.
  • Wavelength range of a sub-pixel is sensitive, can be arranged next to the respective pixel that a portion 122 of the emitted light from the sub-pixel indirectly (see the description of FIG.l) reaches the sensitive photodetector, for example, illustrated in
  • At least one photodetector 208 per pixel 102 is provided, which is for two or more
  • Wavelength ranges, of the emitted light from the sub-pixels 122, is sensitive.
  • the subpixel (s) 202, 204, 206 or the pixel 102 are set up to emit visible light; and the photodetector (s) for detecting the intensity of a light or an electromagnetic radiation in the non-visible
  • Wavelength range for example for detecting a UV radiation or an infrared radiation. This can
  • Intensity of display device external light 120 can be determined by the photodetectors.
  • more pixels 102 are provided in the image area 140 of the display device 100 than photodetectors 104.
  • a photodetector is provided for determining the intensity of the light 122 (see FIG. 1) of more than one pixel 102.
  • individual photodetectors are associated with a plurality of sub-pixels and / or multiple pixels, for example, illustrated in FIG. By means of the assignment of a
  • Photodetector to a variable number of (sub-) pixels the sensitivity of the input function can be set, as described in more detail below. Furthermore, since fewer photodetectors are read out, the summed readout time of the light intensities of the detection of the photodetectors can be reduced. Furthermore, a higher number density of subpixels and pixels 102 can be realized thereby.
  • the photodetector 104 is designed in such a way or the display device is operated such that the photodetector 104 has an internal
  • Detection mode also referred to as the first operating mode
  • an external detection mode also second
  • the photodetector 104 may have an electrically switchable diaphragm and / or mirror structure by means of the between the external and internal
  • Detection mode can be switched.
  • the internal sub-pixels 202, 204, 206 are operated pulsed and have temporal regions in operation in which the sub-pixels 202, 204, 206 do not emit light (off-state).
  • the photodetector 104 in the off-state device external light 120 can detect.
  • Photodetector additionally formed as a pixel 102 or sub-pixel. In other words, it can be an optoelectronic component for different
  • Operating modes may be formed, for example with respect to a diffusion barrier layer in the pn junction or the electrical connection to the computing units 160, 170 for switching the operating mode with respect to a TFT matrix of the display device 100.
  • an optoelectronic device is an organic light emitting diode and at different operating times in forward mode
  • the image area 140 can have optoelectronic components with a layer structure which, in a first operating mode, can be referred to as a light-emitting
  • Device is operated and operated in a second operating mode as a light-detecting device.
  • a photodetector and a (sub-) pixel be provided, for example, stacked, wherein the photodetector and the (sub) pixel are operated at different times.
  • the display device 100 has the following in the image area 140 in various developments
  • Photodetectors and pixels and / or the type of
  • Encapsulation structure for example as
  • Cavity glass encapsulation (cavity); as a frit encapsulation; and / or thin film encapsulation (TFE).
  • FIG. 3A illustrates a development 210 of a
  • Pixel 102 can largely correspond to an embodiment of a display device 100 shown above, for example, the largely in FIG. 1 or 2 shown embodiments may correspond.
  • the pixel 210 may comprise three parallel juxtaposed stripe-shaped sub-pixels 202, 204, 206, which are arranged to emit light, each having a different wavelength spectrum, and may emit altogether a white mixed light.
  • a development 300 of an image area 140 of a display device 100 has a multiplicity in a matrix arrangement of such pixels 210, for example, FIG. 3B illustrates.
  • a part 304 of the plurality of pixels 210 is operated as pixels 102 and a further part 306 of the pixels 210 as photodetectors 104.
  • the pixels 210 of the matrix array are operated in multiple lines 302-1 ... 302-n (with n as an integer) as pixels 304 and as photodetectors 306, for example as illustrated in FIG. 3C.
  • the pixels 210 may be permanent or temporary as
  • Pixels 304 and photodetectors 306 are operated. In other words:
  • photodetectors are monolithically integrated into the matrix of pixels.
  • the integration can for example take place in the form of a homogeneous distribution or be cell-shaped, for example illustrated in FIG. 3C.
  • every other row 302-n of the plurality of optoelectronic components 210 of the image area is a row 304 with photodetectors.
  • each row is optoelectronic
  • Components 210 which are operated as photodetectors 304, a series with optoelectronic devices 210, which are operated as pixels 304 assigned.
  • the photodetectors can independently of the pixel the
  • Ambient light 120 detect.
  • gestures, shapes, for example fingers, or the like can be detected by means of the photodetectors.
  • Such an input can be made contactless with respect to the display device.
  • Number density of the pixels are nominally reduced.
  • the human eye can resolve approximately 300 dpi to 320 dpi at a distance of approximately 25 cm from the display device.
  • approximately every fourth pixel can thus be designed or operated as a photodetector without the sharpness impression of the image area being changed for the human eye.
  • each pixel may be assigned to one photodetector each, assuming that the pixels and photodetectors have identical dimensions and that the pixels are identical
  • Resolution of the touch of the display device is about 50 to 100 ym.
  • FIG. 4A illustrates a further development of an arrangement 400 of pixels 270 which, for example, largely corresponds to an exemplary embodiment of a pixel of FIG
  • Display device may correspond, for example, largely one of the in FIG. 1 to 3 shown
  • Embodiments may correspond. Illustrated is a grouping 402 (binning) of a plurality of pixels 270.
  • the pixel 270 has, for example, a photodetector 104, for example, a sub-pixel is operated as a photodetector 104, as described above.
  • the light intensity detected in the image area 140 by the photodetectors may be detected by the photodetectors in the
  • Grouping 402 are averaged. By the number of
  • Photo detectors and form of group 402 may be any photo detectors and form of group 402.
  • Picture area are set, for example in
  • the image area 140 has a static or variable grouping of pixels and photodetectors, for example illustrated in FIG. 4B.
  • the changes in the determined light intensities of the individual groupings 406, 408 can be independent
  • Groupings 406, 408 have a different shape and number of photodetectors or pixels.
  • an array 410 may comprise a photodetector and two or more pixels, for example as illustrated in FIG. 4C.
  • the grouping of photodetectors can be used to increase the sensitivity of the display during operation of the display device
  • FIG. FIG. 5 illustrates a flowchart of a method 500 for manufacturing a display device that
  • the method 500 includes forming 502 an image area having a plurality of photodetectors and a plurality of pixels. Forming 502 the image area includes forming 504 a first electrode layer, and forming 508 a second electrode layer. The second electrode layer is electrically isolated from the first electrode layer and spaced therefrom
  • Electrode layer and the second electrode layer are Electrode layer and the second electrode layer
  • Electrode layer arranged formed.
  • the method 500 has an electrical connection 510 of a first arithmetic unit with the plurality of photodetectors, wherein the first arithmetic unit is adapted to determine a temporal change of the by means of at least one
  • Photo detector detected light intensity in one
  • predetermined area of the image area is set up.
  • the method 500 has an electrical connection 512 of a second arithmetic unit with the multiplicity of pixels.
  • the second arithmetic unit is set up to a
  • the second arithmetic unit is further set up the image content of the predetermined image by means of the determined temporal change of the determined
  • FIG. 6 illustrates a flow diagram of a method 600 for operating a display device, which
  • the method 600 includes determining 602 a temporal change of the by means of at least one photodetector
  • Determining the temporal change 602 includes determining a lateral distribution of the light intensities in the predetermined image area of at least a portion of the plurality of photodetectors. Determining the temporal change is determining a difference of the distribution of the light intensities in the predetermined range to a first one Time and a second time. Based on the determined change, the first arithmetic unit a signal
  • the determined change in time of the determined light intensity of the predetermined range can be changed.
  • the input in the image area can thereby for example be correlated with the output in the image area.
  • the display device is controlled such that only a predefinable area of the image area an input function or a
  • Output function for example, the predetermined range is the predetermined range in which the light intensity is determined.
  • Image information or image content are displayed.
  • the display device is controlled in such a way that the number density of photodetectors in the image area can be changed from a first number density to a second number density, wherein the first
  • Number density and the second number density differ in at least the size of the number density and / or the wavelength sensitivity of the photodetectors.
  • the light intensities of the photodetectors are determined such that the
  • Detection security can be increased.
  • the display device is driven such that with respect to the photodetectors whose light intensities are averaged, the number of
  • the display device is controlled in such a way that the predetermined region has at least in a first region a first number density of optically active pixels and a first the number density of optically active photodetectors; and in a second region a second number density of optically active
  • the first number density is
  • the grouping of pixels and photodetectors can be adapted to the displayed image content in each case and to one another.
  • the display device is controlled such that the light intensities of at least a portion of the plurality of photodetectors in the optical
  • the light intensities of at least part of the plurality of photodetectors in the optically active state of the pixels are determined.
  • Photodetectors are controlled such that a distribution of the light intensity of device-external light on the image area and a distribution of
  • Pixels is emitted can be determined. This allows switching between incident light detection and / or
  • Shadow detection As a result, a detection of the Input in whatever the optical activity of the
  • the display device is operated in a first operating mode and a second operating mode.
  • a part of the plurality of pixels is driven to represent a part of an image and in the second operating mode the part of the
  • Photodetectors operated, and detected light intensities of the part of the plurality of photodetectors.
  • the display device may comprise two or more image areas and / or two or more predetermined areas of an image area, which are spatially separated.

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  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

Dans divers exemples de modes de réalisation, la présente invention concerne un dispositif d'affichage (100). Ledit dispositif d'affichage (100) comporte une zone d'image (140) pourvue d'une pluralité de photodétecteurs (104) et d'une pluralité de pixels (102), une première couche électrode (108) et une seconde couche électrode (106) qui est électriquement isolée de la première couche électrode (108) et qui est située à une certaine distance de cette dernière, la pluralité de pixels (102) et la pluralité de photodétecteurs (104) étant électriquement connectées à la première couche électrode (108) et à la seconde couche électrode (106), et étant placées en sandwich entre la première couche électrode (108) et la seconde couche électrode (106), et une première unité de calcul (160) qui est connectée électriquement à la pluralité de photodétecteurs (104) et qui est conçue pour déterminer une modification temporelle de l'intensité lumineuse déterminée par au moins un photodétecteur dans une zone prédéfinie de la zone d'image, et une seconde unité de calcul qui est connectée électriquement à la pluralité de pixels (102) et qui est conçue pour commander les pixels (102) afin de représenter une image prédéfinie dans la zone d'image et qui est en outre conçue pour modifier le contenu d'image de l'image prédéfinie au moyen de la modification temporelle déterminée de l'intensité lumineuse déterminée de la zone prédéfinie.
PCT/EP2015/076236 2014-11-26 2015-11-10 Dispositif d'affichage, procédé de fabrication d'un dispositif d'affichage et procédé permettant de faire fonctionner un dispositif d'affichage WO2016083125A2 (fr)

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DE102014117317.1A DE102014117317A1 (de) 2014-11-26 2014-11-26 Display-Vorrichtung, Verfahren zum Herstellen einer Display-Vorrichtung und Verfahren zum Betreiben einer Display-Vorrichtung

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US20040031966A1 (en) * 2002-08-16 2004-02-19 Forrest Stephen R. Organic photonic integrated circuit using a photodetector and a transparent organic light emitting device
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US7825998B2 (en) * 2007-04-06 2010-11-02 Hannstar Display Corp. Input display having particular photo sensor, color filter, and light-shielding element arrangement
JP5275956B2 (ja) * 2009-10-15 2013-08-28 株式会社ジャパンディスプレイウェスト 情報入力装置、情報入力プログラムおよび電子機器
US8610226B2 (en) * 2009-12-28 2013-12-17 Sharp Kabushiki Kaisha Photosensor element, photosensor circuit, thin-film transistor substrate, and display panel

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