KR20230141403A - A wearable device with transparent display and operating method thereof - Google Patents

Abstract

Disclosed are a wearable device including a transparent display and an operation method thereof. The wearable device can show a virtual object to a user without a complex optical system. According to an embodiment of the present invention, the wearable device includes: a housing; at least one processor arranged in the housing; a display including at least one first device emitting light of a visual ray band and at least one second device emitting light of an infrared ray band, wherein at least a part of the display is covered by the housing; and at least one sensor which is set to receive light of the infrared ray band. The at least one processor can be set to track a gaze of the user based on a signal received by the at least one sensor as the light emitted by the at least one second device is reflected from an eye of the user.

Description

Wearable device with transparent display and operating method thereof {A WEARABLE DEVICE WITH TRANSPARENT DISPLAY AND OPERATING METHOD THEREOF}

Various embodiments of the present invention relate to a wearable device with a transparent display and a method of operating the same.

The variety of services and additional functions provided through electronic devices, for example, portable electronic devices such as AR glasses, is gradually increasing. In order to increase the utility value of these electronic devices and satisfy the needs of various users, communication service providers or electronic device manufacturers are competitively developing electronic devices to provide various functions and differentiate themselves from other companies. Accordingly, various functions provided through electronic devices are becoming increasingly sophisticated.

In the case of conventional wearable devices (e.g. AR glasses), image data is output from a display module such as LCOS (liquid crystal on silicon) or micro LED to show virtual reality images to the user. , It has a structure that shows the image through an optical waveguide, so it can have a bulky optical structure. Additionally, conventional wearable devices may require high display output brightness because the optical efficiency of the optical waveguide is low. Additionally, the user's eye tracking function of the wearable device may require separate components such as an infrared light LED or an infrared light camera. According to an embodiment of this document, the conventional technology is improved by applying a transparent display. A wearable device that can show a virtual object to a user without a complex optical system such as a wearable device may be provided.

According to an embodiment of the present document, a wearable device capable of eye tracking function can be provided through a simple structure consisting of a transparent display by including an infrared light output diode and an infrared light photo transistor in the subpixel included in the transparent display. .

According to an embodiment of this document, by applying a transparent display, a method of operating a wearable device that can show a virtual object to a user without a complex optical system such as a wearable device according to the prior art can be provided.

According to an embodiment of this document, a method of operating a wearable device capable of eye tracking function through a simple structure composed of a transparent display is provided by including an infrared light output diode and an infrared light photo transistor in a subpixel included in the transparent display. It can be.

A wearable device according to an embodiment of the present document includes a housing, at least one processor disposed inside the housing, at least one first element that is at least partially covered by the housing and emits light in the visible light band, and A display comprising at least one second element that emits light in an infrared band, and at least one sensor configured to receive light in the infrared band, wherein the at least one processor includes the at least one second element. The light emitted from is reflected by the user's eyeball and may be set to track the user's gaze based on a signal received by the at least one sensor.

A method of operating a wearable device according to an embodiment of the present document is to direct the user's gaze based on a signal received by the at least one sensor when light emitted from the at least one second element is reflected by the user's eyeball. May include tracking actions.

According to an embodiment of this document, by applying a transparent display, a wearable device that can show a virtual object to a user without a complex optical system such as a wearable device according to the prior art can be provided.

According to an embodiment of the present document, a wearable device capable of eye tracking function can be provided through a simple structure consisting of a transparent display by including an infrared light output diode and an infrared light photo transistor in the subpixel included in the transparent display. .

Effects according to various embodiments of this document are not limited to the effects described above, and it is clear to those skilled in the art that various effects are inherent in this document.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of this document.
Figure 2 is a perspective view of a wearable device according to the prior art.
Figure 3a is a perspective view for explaining the internal configuration of a wearable device according to the prior art.
FIG. 3B is an exploded perspective view of an electronic device (eg, a wearable device) according to an embodiment of the present document.
FIG. 4 is an example diagram for comparing the configuration of an optical system of a wearable device according to the prior art and the structure of a transparent display included in a wearable device according to an embodiment of the present document.
FIG. 5 is an example diagram for explaining the configuration of a first element included in a transparent display according to an embodiment of the present document.
FIGS. 6A to 6C are exemplary diagrams for explaining the configuration of a second element and a blocking unit included in a transparent display according to an embodiment of the present document.
FIGS. 7A and 7B are example diagrams for explaining the planar structure of a transparent display according to an embodiment of this document.
FIG. 8 is an example diagram for explaining the structure of an infrared photo transistor included in a transparent display according to an embodiment of this document.
FIG. 9 is an example diagram for explaining the planar structure of a transparent display including an infrared photo transistor according to an embodiment of this document.
FIGS. 10 and 11 are example diagrams for explaining a function or operation of outputting infrared light of a second device in a time section different from the visible light output time section of the first device according to an embodiment of the present document.
12 and 13 are example diagrams for explaining a function or operation of outputting infrared light from at least one second element corresponding to the user's eye area, according to an embodiment of the present document.
FIGS. 14 and 15 are example diagrams for explaining a function or operation of determining a light emission pattern according to eye tracking precision and outputting infrared light from a second device according to the determined light emission pattern according to an embodiment of this document. .
FIG. 16 is an example diagram for explaining an embodiment in which an infrared light photo transistor is disposed outside a transparent display according to an embodiment of the present document.
FIG. 17 is an example diagram illustrating a transparent display corresponding to a single eye of an electronic device (eg, a wearable device) according to an embodiment of the present document.
FIG. 18 is an example diagram for explaining an electronic device (eg, wearable device) equipped with a transparent display shown in FIG. 17.
FIGS. 19 and 20 are example views for explaining various plan views of the transparent display according to an embodiment of the present document shown in FIG. 17.
FIG. 21 is an example cross-sectional view of a transparent display according to an embodiment of the present document shown in FIG. 19.
FIG. 22 is an example cross-sectional view of the transparent display shown in FIG. 20.
FIGS. 23 and 24 are example views for explaining an embodiment in which a transparent display according to an embodiment of the present document is formed with a structure including a light-emitting layer rather than a structure including a color filter.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments. Referring to FIG. 1, in the network environment 100, the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108. According to one embodiment, the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197. In some embodiments, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added to the electronic device 101. In some embodiments, some of these components (e.g., sensor module 176, camera module 180, or antenna module 197) are integrated into one component (e.g., display module 160). It can be.

The processor 120, for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134. According to one embodiment, the processor 120 includes a main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, if the electronic device 101 includes a main processor 121 and a secondary processor 123, the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can. The auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.

The auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled. According to one embodiment, co-processor 123 (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module 180 or communication module 190). there is. According to one embodiment, the auxiliary processor 123 (eg, neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108). Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited. An artificial intelligence model may include multiple artificial neural network layers. Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above. In addition to hardware structures, artificial intelligence models may additionally or alternatively include software structures.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto. Memory 130 may include volatile memory 132 or non-volatile memory 134.

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142, middleware 144, or application 146.

The input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user). The input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).

The sound output module 155 may output sound signals to the outside of the electronic device 101. The sound output module 155 may include, for example, a speaker or a receiver. Speakers can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user). The display module 160 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device. According to one embodiment, the display module 160 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.

The audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).

The sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 can capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 can manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101. According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (e.g., : LAN (local area network) communication module, or power line communication module) may be included. Among these communication modules, the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN). These various types of communication modules may be integrated into one component (e.g., a single chip) or may be implemented as a plurality of separate components (e.g., multiple chips). The wireless communication module 192 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 can be confirmed or authenticated.

The wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology). NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported. The wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates. The wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199). According to one embodiment, the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC. Example: Downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device). According to one embodiment, the antenna module 197 may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected to the plurality of antennas by, for example, the communication module 190. can be selected Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna. According to some embodiments, in addition to the radiator, other components (eg, radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module 197.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( (e.g. commands or data) can be exchanged with each other.

According to one embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199. Each of the external electronic devices 102 or 104 may be of the same or different type as the electronic device 101. According to one embodiment, all or part of the operations performed in the electronic device 101 may be executed in one or more of the external electronic devices 102, 104, or 108. For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 may perform the function or service instead of executing the function or service on its own. Alternatively, or additionally, one or more external electronic devices may be requested to perform at least part of the function or service. One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101. The electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology can be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of Things (IoT) device. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199. The electronic device 101 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

Figure 2 is a perspective view of a glasses-type device 200 according to the prior art. Figure 3 is a perspective view for explaining the internal configuration of the glasses-type device 200 according to the prior art.

Referring to FIG. 2, the glasses-type device 200 is an electronic device in the form of glasses, and a user can visually perceive surrounding objects or environments while wearing the glasses-type device 200. For example, the glasses-type device 200 may be a head mounting device (HMD) or smart glasses that can provide images directly in front of the user's eyes. The configuration of the glasses-type device 200 of FIG. 2 may be completely or partially the same as the configuration of the electronic device 101 of FIG. 1 .

According to various embodiments, the spectacle-like device 200 may include a housing 210 that forms the exterior of the spectacle-like device 200. The housing 210 may provide a space where components of the eyeglass-type device 200 can be placed. For example, the housing 210 may include a lens frame 202 and at least one wearing member 203.

According to various embodiments, the glasses-type device 200 may include a display member 201 that can provide visual information to the user. For example, the display member 201 may include a module equipped with a lens, a display, a waveguide, and/or a touch circuit. According to one embodiment, the display member 201 may be formed to be transparent or translucent. According to one embodiment, the display member 201 may include a translucent glass material or a window member whose light transmittance can be adjusted by adjusting the coloring density. According to one embodiment, the display members 201 are provided as a pair and can be disposed to correspond to the user's left and right eyes, respectively, when the glasses-like device 200 is worn on the user's body.

According to various embodiments, the lens frame 202 may accommodate at least a portion of the display member 201. For example, the lens frame 202 may surround at least a portion of the edge of the display member 201. According to one embodiment, the lens frame 202 may position at least one of the display members 201 to correspond to the user's eye. According to one embodiment, the lens frame 202 may be a rim of a general eyeglass structure. According to one embodiment, the lens frame 202 may include at least one closed curve surrounding the display member 201.

According to various embodiments, wearing member 203 may extend from lens frame 202. For example, the wearing member 203 extends from an end of the lens frame 202 and, together with the lens frame 202, can be supported or positioned on the user's body (eg, ears). According to one embodiment, the wearing member 203 may be rotatably coupled to the lens frame 202 through the hinge structure 229. According to one embodiment, the wearing member 203 may include an inner side 231c configured to face the user's body and an outer side 231d opposite the inner side.

According to various embodiments, the eyeglass-like device 200 may include a hinge structure 229 configured to fold the wearing member 203 relative to the lens frame 202 . The hinge structure 229 may be disposed between the lens frame 202 and the wearing member 203. When not wearing the eyeglass-type device 200, the user can carry or store the wearing member 203 by folding the wearing member 203 so that a portion overlaps the lens frame 202.

Referring to FIGS. 3A and 3B , the glasses-type device 200 includes components (e.g., at least one circuit board 241 (e.g., printed circuit board (PCB)), printed board assembly (PBA)) accommodated in the housing 210. , flexible PCB (FPCB) or rigid-flexible PCB (RFPCB)), at least one battery 243, at least one speaker module 245, at least one power delivery structure 246, and at least one camera module ( 250). The configuration of the housing 210 of FIG. 3 is the configuration of the display member 201, lens frame 202, wearing member 203, and hinge structure 229 of FIG. 2 or all or Some may be the same.

According to various embodiments, the eyeglass-type device 200 uses a camera module 250 (e.g., the camera module 180 of FIG. 1) to detect the direction in which the user is looking or the eyeglass-type device 200 is oriented (e.g., -Acquire and/or recognize a visual image of an object or environment in the Y direction, and use an external electronic device (e.g., the first network 198 or the second network 199 in FIG. 1) through a network (e.g., the first network 198 or the second network 199 in FIG. : Information about an object or environment can be provided from the electronic devices 102 and 104 or the server 108 of FIG. 1. In another embodiment, the glasses-type device 200 may provide information about the received object or environment to the user in audio or visual form. The glasses-type device 200 may provide information about the received object or environment to the user through the display member 201 in a visual form using a display module (e.g., the display module 160 of FIG. 1). For example, the glasses-type device 200 can implement augmented reality by implementing information about objects or the environment in a visual form and combining it with actual images of the user's surrounding environment.

According to various embodiments, the display member 201 has a first surface facing the direction in which external light is incident (eg, -Y direction) and a second surface facing the opposite direction of the first surface (eg, +Y direction). Can contain 2 sides. When the user is wearing the eyeglass-type device 200, at least a portion of the light or image incident through the first side F1 is directed to the second side of the display member 201 disposed to face the left and/or right eye of the user. It may pass through the face F2 and enter the user's left and/or right eye.

According to various embodiments, the lens frame 202 may include at least two or more frames. For example, lens frame 202 may include a first frame and a second frame. According to one embodiment, when the user wears the eyeglass-type device 200, the first frame is the frame of the part that faces the user's face, and the second frame is the user's line of sight with respect to the first frame 202a. It may be a part of the lens frame 202 spaced apart in a direction (e.g. -Y direction).

According to various embodiments, the light output module 211 may provide images and/or videos to the user. For example, the light output module 211 includes a display panel (not shown) capable of outputting an image, and a lens (not shown) that corresponds to the user's eyes and guides the image to the display member 201. can do. For example, a user may obtain an image output from the display panel of the light output module 211 through the lens of the light output module 211. According to various embodiments, the light output module 211 may include a device configured to display various information. For example, the light output module 211 may be a liquid crystal display (LCD), a digital mirror device (DMD), a liquid crystal on silicon (LCoS), or an organic light emitting diode. It may include at least one of an organic light emitting diode (OLED) or a micro LED (micro light emitting diode, micro LED). According to one embodiment, when the light output module 211 and/or the display member 201 includes one of an LCD, DMD, or LCoS, the eyeglass-type device 200 includes the light output module 211 and/or It may include a light source that radiates light to the display area of the display member 201. According to another embodiment, when the light output module 211 and/or the display member 201 includes one of OLED or micro LED, the glasses-type device 200 does not include a separate light source and provides a virtual image to the user. can be provided.

According to various embodiments, at least a portion of the light output module 211 may be disposed within the housing 210 . For example, the light output module 211 may be disposed on the wearing member 203 or the lens frame 202 to correspond to the user's right eye and left eye, respectively. According to one embodiment, the light output module 211 is connected to the display member 201 and can provide an image to the user through the display member 201.

According to various embodiments, the circuit board 241 may include components for driving the eyeglass-type device 200. For example, the circuit board 241 may include at least one integrated circuit chip, such as the processor 120, memory 130, power management module 188, or communication module of FIG. 1. At least one of (190) may be provided in the integrated circuit chip. According to one embodiment, the circuit board 241 may be disposed within the wearing member 203 of the housing 210. According to one embodiment, the circuit board 241 may be electrically connected to the battery 243 through the power transmission structure 246. According to one embodiment, the circuit board 241 is connected to the flexible printed circuit board 205, and electronic components of the electronic device (e.g., the optical output module 211, An electrical signal can be transmitted to the camera module 250 (light emitting unit). According to one embodiment, the circuit board 241 may be a circuit board including an interposer.

According to various embodiments, flexible printed circuit board 205 may extend from circuit board 241 across hinge structure 229 and into the interior of lens frame 202. It may be disposed at least partially around the display member 201.

According to various embodiments, the battery 243 (e.g., battery 189 in FIG. 1) is a component of the eyeglass-type device 200 (e.g., optical output module 211, circuit board 241, speaker module 245). ), the microphone module 247, and the camera module 250), and can supply power to parts of the glasses-type device 200.

According to various embodiments, at least a portion of the battery 243 may be disposed on the wearing member 203. According to one embodiment, the battery 243 may be disposed at the ends 203a and 203b of the wearing member 203. For example, the battery 243 may include a first battery 243a disposed at the first end 203a of the wearing member 203 and a second battery 243b disposed at the second end 203b. there is.

According to various embodiments, the speaker module 245 (e.g., the audio module 170 or the sound output module 155 of FIG. 1) may convert an electrical signal into sound. At least a portion of the speaker module 245 may be disposed within the wearing member 203 of the housing 210. According to one embodiment, the speaker module 245 may be located within the wearing member 203 to correspond to the user's ears. For example, the speaker module 245 may be disposed between the circuit board 241 and the battery 243.

According to various embodiments, the power transmission structure 246 may transmit power from the battery 243 to an electronic component (eg, the optical output module 211) of the eyeglass-type device 200. For example, the power transmission structure 246 is electrically connected to the battery 243 and/or the circuit board 241, and the circuit board 241 outputs power received through the power transmission structure 246 as light. It can be transmitted to module 211. According to one embodiment, the power transmission structure 246 may be connected to the circuit board 241 through the speaker module 245. For example, when the glasses-type device 200 is viewed from the side (eg, Z-axis direction), the power transmission structure 246 may at least partially overlap the speaker module 245.

According to various embodiments, the power transmission structure 246 may be a configuration capable of transmitting power. For example, power delivery structure 246 may include a flexible printed circuit board or wire. For example, a wire may include a plurality of cables (not shown). In various embodiments, the shape of the power transmission structure 246 may be varied in consideration of the number and/or type of cables.

According to various embodiments, the microphone module 247 (e.g., the input module 150 and/or the audio module 170 of FIG. 1) may convert sound into an electrical signal. According to one embodiment, the microphone module 247 may be disposed on at least a portion of the lens frame 202. For example, at least one microphone module 247 may be disposed at the bottom (eg, toward the -X axis) and/or top (eg, toward the X axis) of the eyeglass-type device 200. According to various embodiments, the glasses-type device 200 can more clearly recognize the user's voice using voice information (eg, sound) acquired from at least one microphone module 247. For example, the glasses-type device 200 may distinguish between voice information and surrounding noise based on the acquired voice information and/or additional information (eg, low-frequency vibration of the user's skin and bones). For example, the glasses-type device 200 can clearly recognize the user's voice and perform a function to reduce surrounding noise (eg, noise canceling).

According to various embodiments, the camera module 250 can capture still images and/or moving images. The camera module 250 may include at least one of a lens, at least one image sensor, an image signal processor, or a flash. According to one embodiment, the camera module 250 may be disposed within the lens frame 202 and around the display member 201.

According to various embodiments, the camera module 250 may include at least one first camera module 251. According to one embodiment, the first camera module 251 may photograph the user's eye (eg, pupil) or gaze trajectory. For example, the first camera module 251 may capture a reflection pattern of light emitted by the light emitting unit to the user's eyes. For example, the light emitting unit may emit light in the infrared band for tracking the gaze trajectory using the first camera module 251. For example, the light emitting unit may include an IR LED. According to one embodiment, the processor (e.g., processor 120 in FIG. 1) may adjust the position of the virtual image projected on the display member 201 so that it corresponds to the direction in which the user's pupils are gazing. According to one embodiment, the first camera module 251 may include a global shutter (GS) type camera, and a plurality of first camera modules 251 of the same standard and performance are used to capture the user's eyes or The trajectory of gaze can be tracked.

According to various embodiments, the first camera module 251 periodically or aperiodically transmits information (e.g., trajectory information) related to the trajectory of the user's eyes or gaze to a processor (e.g., the processor 120 of FIG. 1). It can be sent to . According to another embodiment, when the first camera module 251 detects that the user's gaze has changed based on the trajectory information (e.g., the eyes move more than a reference value while the head is not moving), the first camera module 251 processes the trajectory information into a processor. It can be sent to .

According to various embodiments, the camera module 250 may include a second camera module 253. According to one embodiment, the second camera module 253 can capture external images. According to one embodiment, the second camera module 253 may be a global shutter type camera or a rolling shutter (RS) type camera. According to one embodiment, the second camera module 253 may capture an external image through the second optical hole 223 formed in the second frame 202b. For example, the second camera module 253 may include a high-resolution color camera and may be a high resolution (HR) or photo video (PV) camera. Additionally, the second camera module 253 may provide an auto focus function (AF) and an optical image stabilizer (OIS) function.

According to various embodiments, the glasses-type device 200 may include a flash (not shown) located adjacent to the second camera module 253. For example, a flash (not shown) may provide light to increase brightness (e.g., illuminance) around the glasses-type device 200 when acquiring an external image of the second camera module 253, in a dark environment, Difficulties in obtaining images due to mixing of various light sources and/or reflection of light can be reduced.

According to various embodiments, the camera module 250 may include at least one third camera module 255. According to one embodiment, the third camera module 255 may capture the user's movements through the first optical hole 221 formed in the lens frame 202. For example, the third camera module 255 may capture a user's gestures (eg, hand movements). The third camera module 255 and/or the first optical hole 221 are located at both ends of the lens frame 202 (e.g., the second frame 202b), for example, in the X direction. (For example, it may be disposed at both ends of the second frame 202b). According to one embodiment, the third camera module 255 may be a global shutter (GS) type camera. For example, the third camera module 255 is a camera that supports 3DoF (degrees of freedom) or 6DoF, which can provide 360-degree spatial (e.g. omnidirectional), position recognition, and/or movement recognition. You can. According to one embodiment, the third camera module 255 is a stereo camera that uses a plurality of global shutter cameras of the same standard and performance to perform a movement path tracking function (simultaneous localization and mapping, SLAM) and user movement recognition. It can perform its function. According to one embodiment, the third camera module 255 may include an infrared (IR) camera (eg, a time of flight (TOF) camera, or a structured light camera). For example, the IR camera may be operated as at least a part of a sensor module (eg, sensor module 176 in FIG. 1) to detect the distance to the subject.

According to one embodiment, at least one of the first camera module 251 or the third camera module 255 may be replaced with a sensor module (e.g., the sensor module 176 of FIG. 1) (e.g., a Lidar sensor). . For example, the sensor module may include at least one of a vertical cavity surface emitting laser (VCSEL), an infrared sensor, and/or a photodiode. For example, the photo diode may include a positive intrinsic negative (PIN) photo diode, or an avalanche photo diode (APD). The photo diode may be referred to as a photo detector or photo sensor.

According to one embodiment, at least one of the first camera module 251, the second camera module 253, or the third camera module 255 may include a plurality of camera modules (not shown). For example, the second camera module 253 consists of a plurality of lenses (e.g., wide-angle and telephoto lenses) and image sensors and is disposed on one side (e.g., the side facing the -Y axis) of the eyeglass-type device 200. It can be. For example, the glasses-type device 200 may include a plurality of camera modules, each with different properties (e.g., angle of view) or function, and change the angle of view of the camera modules based on the user's selection and/or trajectory information. You can control it to do so. For example, at least one of the plurality of camera modules may be a wide-angle camera, and at least another one may be a telephoto camera.

According to various embodiments, the processor (e.g., processor 120 of FIG. 1) acquires information using at least one of a gesture sensor, a gyro sensor, or an acceleration sensor of a sensor module (e.g., sensor module 176 of FIG. 1). Movement of the eyeglass-type device 200 using information on the eyeglass-type device 200 and the user's motion (e.g., approach of the user's body to the eyeglass-type device 200) obtained using the first camera module 251. And/or the user's movement may be determined. According to one embodiment, in addition to the described sensor, the glasses-type device 200 includes a magnetic (geomagnetic) sensor capable of measuring orientation using a magnetic field and magnetoelectric force, and/or movement information (e.g., movement) using the strength of the magnetic field. It may include a Hall sensor capable of acquiring direction or movement distance. For example, the processor may determine the movement of the eyeglass-type device 200 and/or the user's movement based on information obtained from a magnetic (geomagnetic) sensor and/or a hall sensor.

According to various embodiments (not shown), the eyeglass-type device 200 may perform an input function (eg, touch and/or pressure sensing function) that allows interaction with the user. For example, components configured to perform touch and/or pressure sensing functions (e.g., touch sensors and/or pressure sensors) may be disposed on at least a portion of the wearing member 203 . The glasses-type device 200 can control a virtual image output through the display member 201 based on information acquired through the components. For example, sensors related to touch and/or pressure sensing functions may be resistive type, capacitive type, electro-magnetic type (EM), or optical type. ) can be configured in various ways, such as: According to one embodiment, components configured to perform the touch and/or pressure sensing function may be completely or partially identical to the configuration of the input module 150 of FIG. 1 .

According to various embodiments, the eyeglass-type device 200 may be disposed in the inner space of the lens frame 202 and include a reinforcing member 260 formed to have a higher rigidity than that of the lens frame 202.

According to various embodiments, eyeglass-like device 200 may include a lens structure 270 . The lens structure 270 may refract at least a portion of light. For example, the lens structure 270 may be a prescription lens with a predetermined refractive power. According to one embodiment, the lens structure 270 may be disposed behind the second window member of the display member 201 (eg, in the +Y direction). For example, the lens structure 270 may be positioned between the display member 201 and the user's eyes. For example, the lens structure 270 may face one side of the display member.

According to various embodiments, the housing 210 may include a hinge cover 227 that can conceal a portion of the hinge structure 229 . Another part of the hinge structure 229 may be accommodated or hidden between the inner case 231 and the outer case 233, which will be described later.

According to various embodiments, the wearing member 203 may include an inner case 231 and an outer case 233. The inner case 231 is, for example, a case configured to face or directly contact the user's body, and may be made of a material with low thermal conductivity, for example, synthetic resin. According to one embodiment, the inner case 231 may include an inner side (eg, inner side 231c in FIG. 2 ) that faces the user's body. The outer case 233 includes, for example, a material capable of at least partially transferring heat (eg, a metal material), and may be coupled to face the inner case 231 . According to one embodiment, the outer case 233 may include an outer side opposite to the inner side 231c (eg, the outer side 231d in FIG. 2). In one embodiment, at least one of the circuit board 241 or the speaker module 245 may be accommodated in a space separate from the battery 243 within the wearing member 203. In the illustrated embodiment, the inner case 231 may include a first case 231a containing a circuit board 241 or a speaker module 245, and a second case 231b containing the battery 243. The outer case 233 may include a third case 233a coupled to face the first case 231a and a fourth case 233b coupled to face the second case 231b. . For example, the first case 231a and the third case 233a are combined (hereinafter referred to as 'first case portions 231a, 233a') to accommodate the circuit board 241 and/or the speaker module 245. The battery 243 can be accommodated by combining the second case 231b and the fourth case 233b (hereinafter referred to as 'second case parts 231b, 233b').

According to various embodiments, the first case portions 231a and 233a are rotatably coupled to the lens frame 202 through a hinge structure 229, and the second case portions 231b and 233b are connected to the connection member 235. It can be connected or mounted to the ends of the first case portions 231a and 233a. In some embodiments, the portion of the connection member 235 that is in contact with the user's body may be made of a material with low thermal conductivity, for example, an elastomer material such as silicone, polyurethane, or rubber. , parts that are not in contact with the user's body may be made of a material with high thermal conductivity (e.g., a metal material). For example, when heat is generated from the circuit board 241 or the battery 243, the connection member 235 blocks heat from being transferred to the part that is in contact with the user's body and dissipates heat through the part that is not in contact with the user's body. It can be dispersed or released. According to one embodiment, the part of the connecting member 235 configured to contact the user's body can be interpreted as a part of the inner case 231, and the part of the connecting member 235 that does not contact the user's body can be interpreted as a part of the outer case ( 233). According to one embodiment, the first case 231a and the second case 231b are formed as one piece without the connecting member 235, and the third case 233a and the fourth case 233b are formed as one piece without the connecting member 235. It can be configured as an integrated unit. According to various embodiments, other components (e.g., the antenna module 197 of FIG. 1) may be further included in addition to the components shown, and a network (e.g., the first antenna module 197 of FIG. 1) may be used using the communication module 190. Information about an object or environment can be provided from an external electronic device (e.g., the electronic devices 102 and 104 or the server 108 of FIG. 1) through the first network 198 or the second network 199. .

FIG. 4 compares the structure of the optical system of the glasses-type device 200 according to the prior art and the structure of the transparent display 400 included in the electronic device 101 (e.g., a wearable device) according to an embodiment of the present document. This is an example drawing for the following.

Referring to FIG. 4, in the case of a conventional glasses-type device 200 (e.g., AR glasses), liquid crystal on silicon (LCOS) or micro LED is used to show a virtual reality image to the user. The same display module 430 may output image data and display the image through an optical waveguide. The glasses-type device 200 according to the prior art can provide a gaze tracking function. The glasses-type device 200 according to the prior art generally outputs infrared light through an infrared light (IR) LED 410, and identifies the pupil by capturing the infrared light reflected from the user's pupil with an infrared light camera 420. and eye tracking may be performed. The electronic device 101 (e.g., wearable device) according to an embodiment of the present document includes a first element (e.g., RGB subpixel) and a second element (e.g., IR subpixel) instead of an optical waveguide. A transparent display 400 may be provided.

The electronic device 101 (e.g., a wearable device) according to an embodiment of the present document includes a red (R) subpixel 440a, a green (G) subpixel 440b, and a blue (B) subpixel 440c. , may include a first pixel 440 including an infrared light subpixel 440d and a second pixel (eg, sensor pixel) including an infrared light sensor 440e. According to an embodiment of this document, the first pixel 440 and the second pixel (eg, sensor pixel) may form one pixel. The electronic device 101 (e.g., a wearable device) according to an embodiment of the present document has a transparent window (e.g., the transparent window of FIG. 7A) between pixels (e.g., between the second pixel and the first pixel 440). It may include a window area 700). A transparent window according to an embodiment of this document may be an area that appears transparent because there is no driving circuit.

FIG. 5 is an example diagram for explaining the configuration of the first element 500 (eg, RGB subpixel) included in the transparent display 400 according to an embodiment of the present document.

Referring to FIG. 5, the first device 500 (e.g., RGB subpixel) according to an embodiment of the present document includes a substrate 502, an active layer 504, a gate insulating film 506, and an interlayer insulating film 508. , planarization layer 510, source electrode 512, gate electrode 514, drain electrode 516, anode 518, RGB light emitting material layer 520, pixel separation area 522, anode ( It may include at least one of a cathode (524) and a thin film encapsulation layer (526). The RGB light emitting material layer 520 according to an embodiment of this document may include a hole injection layer (HIL), a hole transport layer (HTL), an electron transport layer (ETL), and an electron injection layer (EIL). The first device 500 according to an embodiment of this document may include one subpixel (e.g., RGB subpixel) or a plurality of subpixels (e.g., red (R) subpixel 440a). , a green (G) subpixel 440b, and a blue (B) subpixel 440c).

6A to 6C show the second element 600 (e.g., infrared light subpixel 440d) and the blocking unit 610 included in the transparent display 400 according to an embodiment of the present document. This is an example drawing to explain the configuration.

6A to 6C, the second element 600 (e.g., infrared light subpixel 440d) according to an embodiment of the present document is the first element 500 (e.g., red (R) subpixel 440d). A thin film transistor (TFT) structure (e.g., substrate 502, active layer 504, gate) substantially the same as the pixel 440a, green (G) subpixel 440b, and blue (B) subpixel 440c. Insulating film 506, interlayer insulating film 508, planarization layer 510, source electrode 512, gate electrode 514, drain electrode 516, anode 518, infrared light emitting material layer 620 ), a structure including at least one of a pixel separation area 522, an anode 524, and a thin film encapsulation layer 526). The infrared light emitting material layer 620 according to an embodiment of this document may be composed of an organic material layer. According to an embodiment of this document, infrared light may affect performance by generating a leakage current in the TFT structure of the first device 500, so surrounding the second device 600 (e.g., infrared light subpixel) A partition 610 may be disposed therein. The partition 610 according to an embodiment of this document may be made of a material similar to an IR cut-off filter widely used in cameras/sensors, etc., and may be a material capable of absorbing or reflecting infrared light. Alternatively, in addition to the partition wall 610, floating metal electrodes may be additionally patterned and applied in the form of a partition wall. The partition wall 610 according to an embodiment of the present document may be provided in the planarization layer 510 as shown in FIG. 6A, or may be provided in the pixel separation area 522 as shown in FIG. 6B. , may be provided in the thin film encapsulation layer 526 as shown in FIG. 6C. According to an embodiment of this document, the infrared light emitting material layer 620 is shown as being disposed on the same plane as the RGB light emitting material layer 520, but the infrared light emitting material layer 620 is not necessarily limited thereto. ) may also be provided in a stacked form with the RGB light emitting material layer 520.

FIGS. 7A and 7B are example views for explaining the planar structure of the transparent display 400 according to an embodiment of this document.

Referring to FIGS. 7A and 7B, one pixel according to an embodiment of this document may include R, G, B, and IR subpixels. In this case, the infrared light receiving sensor may be separately mounted on the electronic device 101 (eg, a wearable device) and receive the infrared light reflected from the pupil. The transparent display 400 according to an embodiment of this document may have a transparent window area 700. The transparent window area 700 according to an embodiment of this document may be an area that appears transparent because there is no driving circuit. Through this transparent window area 700, a user of the electronic device 101 (eg, a wearable device) can identify a virtual object while viewing the real world. The transparent display 400 according to one embodiment may include a plurality of transparent window areas 700 or may include transparent window areas 700 connected to one.

FIG. 8 is an example diagram for explaining the structure of the infrared photo transistor 800 included in the transparent display 400 according to an embodiment of this document. FIG. 9 is an example diagram for explaining the planar structure of a transparent display 400 including an infrared photo transistor 800 according to an embodiment of this document. The infrared photo transistor 800 according to an embodiment of the present document includes a first element 500 (e.g., a red (R) subpixel 440a, a green (G) subpixel 440b, and a blue (B) subpixel 440b. A thin film transistor (TFT) structure similar to the subpixel 440c (e.g., substrate 502, active layer 504, gate insulating layer 506, interlayer insulating layer 508, planarization layer 510, source electrode 512 ), gate electrode 514, drain electrode 516, anode 518, organic semiconductor material layer 810, pixel separation area 522, anode 524, and thin film encapsulation layer 526 ) may have a structure containing at least one of).

Referring to FIGS. 8 and 9 , the infrared phototransistor 800 according to an embodiment of this document may include an organic phototransistor made of an organic semiconductor. A partition 610 may be disposed between the second element 600 and the infrared photo transistor 800 according to an embodiment of this document to prevent crosstalk. Infrared light according to an embodiment of this document may be reflected from the user's eyeball and enter the infrared photo transistor 800. The TFT structure of the infrared phototransistor 800 according to an embodiment of this document may be substantially the same as the TFT structure of the first device 500 and the TFT structure of the second device 600. However, this does not limit the embodiments of this document, and different TFT structures may be formed.

In FIG. 9, the planar structure of the transparent display 400 including the infrared light sensor 440e is exemplarily shown. According to an embodiment of the present document, a red (R) subpixel 440a, a green (G) subpixel 440b, a blue (B) subpixel 440c, and an infrared light subpixel 440d. One pixel 440 and a second pixel including the infrared light sensor 440e may form one pixel. The transparent display 400 according to an embodiment of this document may have a transparent window area 700. The transparent window area 700 according to an embodiment of this document may be an area that appears transparent because there is no driving circuit. Through this transparent window area 700, a user of the electronic device 101 (eg, a wearable device) can identify a virtual object while viewing the real world.

10 and 11 show infrared light from a second device (e.g., an infrared light subpixel) in a time section different from the visible light output time section of a first device (e.g., an RGB subpixel) according to an embodiment of the present document. These are example drawings to explain the function or operation of outputting.

Referring to FIGS. 10 and 11 , in operation 1010, the electronic device 101 (e.g., a wearable device) according to an embodiment of the present document displays an RGB subpixel (e.g., a red (R) subpixel) during a first time period. The display module 160 (e.g., transparent display 400) can be controlled so that the pixel 440a, green (G) subpixel 440b, and/or blue (B) subpixel 440c) emits light. . The electronic device 101 (e.g., wearable device) according to an embodiment of the present document controls the display module 160 (e.g., transparent display 400) to emit RGB subpixels for, for example, 11.6 ms. can do.

In operation 1020, the electronic device 101 (e.g., a wearable device) according to an embodiment of the present document displays an infrared light subpixel (e.g., an infrared light subpixel 440d) during a second time period after the lapse of the first time period. )) can control the display module (e.g., transparent display 400) to emit light. The electronic device 101 (e.g., wearable device) according to an embodiment of the present document uses the display module 160 (e.g., transparent display 400) to emit infrared light subpixels for, for example, 5.0 ms. You can control it.

In operation 1030, the electronic device 101 (eg, a wearable device) according to an embodiment of this document may track the user's gaze by identifying the position of the user's eyeballs. The electronic device 101 (e.g., a wearable device) according to an embodiment of the present document uses an infrared light sensor (e.g., an infrared light sensor (e.g., an infrared light sensor (e.g., an infrared light sensor (e.g., It can be received using 440e)). According to one embodiment, the infrared light sensor (e.g., infrared light sensor 440e) has a viewpoint based on (or synchronized with) a second time interval in which the infrared light subpixel (e.g., infrared light subpixel 440d) emits light. When activated, the infrared light output through the infrared light subpixel can receive the light reflected by the user's eyeball. The electronic device 101 (eg, a wearable device) according to an embodiment of this document can identify the location of the user's pupil based on the received infrared light and track the user's gaze accordingly. Depending on the function or operation of tracking the user's gaze, a technical effect may be exerted to prevent a decrease in display quality due to the output of infrared light.

12 and 13 illustrate a function or operation of outputting infrared light from at least one second element (e.g., infrared light subpixel) corresponding to the user's eye area 1330, according to an embodiment of the present document. These are example drawings for explanation.

Referring to FIGS. 12 and 13 , the electronic device 101 (e.g., a wearable device) according to an embodiment of the present document displays information on the entire area of the display module (e.g., the transparent display 400) in operation 1210. It can emit and sense infrared light. Referring to (b) of FIG. 13, the electronic device 101 (e.g., a wearable device) according to an embodiment of this document displays most of the entire display area 1310 as shown in (a) of FIG. 13. Infrared light can be emitted and sensed in the infrared light emitting and sensing area 1320 including.

The electronic device 101 (eg, a wearable device) according to an embodiment of this document may identify the user's eye position in operation 1220. The electronic device 101 (e.g., a wearable device) according to an embodiment of this document sends at least information about the eye position obtained through the output and sensing of infrared light to the electronic device 101 (e.g., a wearable device). It can be stored temporarily.

The electronic device 101 (eg, a wearable device) according to an embodiment of this document may emit and sense infrared light only for an area corresponding to the eye position in operation 1230. The electronic device 101 (e.g., a wearable device) according to an embodiment of the present document, as shown in (c) of FIG. 13, generates an infrared light subpixel (e.g., corresponding to the eye position identified according to operation 1220). : The display module 160 (e.g., transparent display 400) is configured to emit infrared light only for at least one infrared light subpixel included in the eyeball position by matching the position of the infrared light subpixel with the eyeball position. You can control it.

The electronic device 101 (e.g., a wearable device) according to an embodiment of this document may track the user's gaze by tracking the position of the eye identified in operation 1230 in operation 1240. According to an embodiment of this document, a technical effect of reducing power consumption can be achieved by minimizing the operation of the second element (eg, infrared light subpixel).

14 and 15 show a function of determining a light emission pattern according to eye tracking precision and outputting infrared light from a second element (e.g., an infrared light subpixel) according to the determined light emission pattern according to an embodiment of the present document. These are example drawings to explain the operation.

Referring to FIGS. 14 and 15 , the electronic device 101 (eg, a wearable device) according to an embodiment of this document may set the precision of eye tracking in operation 1410. The precision of eye tracking according to an embodiment of this document may be set by the user, or may be determined according to the properties of the application running through the electronic device 101 (eg, wearable device). For example, when an application requiring high eye tracking precision is running, the electronic device 101 (e.g., a wearable device) according to an embodiment of this document may determine the eye tracking precision with high precision. For example, when an application that requires low eye tracking precision is running, the electronic device 101 (e.g., a wearable device) according to an embodiment of this document may determine the eye tracking precision with low precision. According to one embodiment, the electronic device 101 (eg, a wearable device) may store the level of eye tracking precision based on the running application in a memory (eg, the memory 130 of FIG. 1). The electronic device 101 (e.g., a wearable device) according to an embodiment of this document determines the length or interval of the infrared light emission time (e.g., turns on/off the infrared light output after the initial output) depending on the precision of eye tracking. (performed alternately) can be set differently.

The electronic device 101 (eg, a wearable device) according to an embodiment of this document may determine the light emission pattern based on the set precision in operation 1420. For example, referring to FIG. 15, when an application requiring low precision (e.g., low resolution) is running, the electronic device 101 (e.g., wearable device) according to an embodiment of the present document displays FIG. As shown in (a), (b), and (c), the light emission pattern can be determined so that infrared light is output by a relatively small number of subpixels. Alternatively, when an application requiring high precision (e.g., high resolution) is running, the electronic device 101 (e.g., a wearable device) according to an embodiment of this document is shown in (d) and (e) of FIGS. As shown in and (f), the light emission pattern can be determined so that infrared light is output by a relatively large number of subpixels. The irradiation area 1520 shown in FIG. 15 may mean an area where infrared light is output and irradiated to the user's eyeball 1510. According to an embodiment of this document, various light emission patterns can be configured, resulting in a technical effect of reducing power consumption of the electronic device 101 (eg, a wearable device). In operation 1430, the electronic device 101 (eg, a wearable device) according to an embodiment may emit infrared light based on the determined light emission pattern and sense the infrared light reflected by the user's eyeball. The electronic device 101 (eg, a wearable device) according to one embodiment may track the position of the user's eyeballs based on infrared light sensing.

FIG. 16 is an example diagram for explaining an embodiment in which the infrared photo transistor 800 is disposed outside the transparent display 400 according to an embodiment of the present document. Referring to FIG. 16, according to various embodiments of this document, the infrared light photo transistor 800 (e.g., infrared light camera) is not included in the transparent display 400 and may be disposed outside the transparent display 400. there is. This may be a method of arranging the infrared light photo transistor 800 (eg, an infrared light camera), which is possible because the display is transparent.

FIG. 17 is an example diagram illustrating a transparent display 400 corresponding to a single eye of an electronic device 101 (eg, a wearable device) according to an embodiment of the present document.

The transparent display 400 according to an embodiment of this document may include a plurality of areas (eg, a first area and a second area). The first area according to an embodiment of this document may include a transparent display area and may include at least one OLED. In the second area according to an embodiment of this document, at least one infrared light subpixel may be disposed on the edge of the transparent display 400. The first region and the second region according to an embodiment of this document may be regions formed on one substrate. The second area according to an embodiment of this document may include a plurality of areas. At least one infrared light subpixel disposed in the second area according to an embodiment of the present document may be driven (eg, emit light) when an eye tracking event occurs. The electronic device 101 (e.g., a wearable device) according to an embodiment of the present document captures the infrared light reflected from the pupil by a separate infrared light camera, The user's gaze can be tracked.

FIG. 18 is an example diagram for explaining an electronic device 101 (eg, a wearable device) equipped with the transparent display 400 shown in FIG. 17 . As shown in FIG. 18, an infrared light camera (eg, first camera module 251) according to an embodiment of this document may be implemented by being attached to a focus lens (eg, display member 201).

FIGS. 19 and 20 are example diagrams for explaining various plan views of the transparent display 400 according to an embodiment of the present document shown in FIG. 17 . As shown in FIG. 19, at least one infrared light subpixel disposed in the second area according to an embodiment of the present document has a unit subpixel size of the first size to provide sufficient infrared light luminance for eye tracking. It may be larger than the size of the subpixel (e.g., RGB subpixel) included in the area. According to another embodiment of this document, the electronic device 101 (e.g., a wearable device) has a unit infrared light subpixel size equal to the size of the RGB subpixel disposed in the first area, as shown in FIG. 20. It can be implemented to have any size. In this case, as shown in FIG. 19, an electronic device 101 (eg, a wearable device) having relatively higher infrared light luminance than when infrared light subpixels are arranged may be provided.

FIG. 21 is an example cross-sectional view of the transparent display 400 according to an embodiment of the present document shown in FIG. 19. The backplane of the transparent display 400 according to an embodiment of the present document includes a substrate and a TFT structure (e.g., a pixel circuit (e.g., a source electrode 512, a gate electrode 514, and a drain electrode 516). circuit including) and a cathode (e.g., anode 518). The frontplane of the transparent display 400 according to an embodiment of the present document is a white OLED emission layer (white OLED emission layer). At least one of an OLED emitting layer (2110), a hole injection layer (HIL) 2120, a hole transport layer (HTL) 2130, an electron transport layer (ETL) 2140, and R, G, B, and IR color filters 2150. Figure 22 is an example cross-sectional view of the transparent display 400 shown in Figure 20. The transparent display 400 according to an embodiment of the present document may include a plurality of IR color filters. 23 and 24 are exemplary diagrams for explaining an embodiment in which the transparent display 400 according to an embodiment of the present document is formed with a structure including a light emitting layer 2310 rather than a structure including a color filter. 23 and 24, the transparent display 400 according to an embodiment of this document uses R, G, B, and IR color filters, rather than the R, G, B, and IR color filters 2150. It may include a light emitting layer 2310.

A wearable device (e.g., electronic device 101 of FIG. 1) according to an embodiment of the present document includes a housing (e.g., housing 210 of FIG. 2) and at least one processor (e.g., disposed inside the housing). Processor 120 of FIG. 1), at least partially covered by the housing, at least one first element (e.g., RGB subpixel) emitting light in the visible light band, and at least one first element emitting light in the infrared band A display (e.g., transparent display 400) including a second element (e.g., infrared light subpixel), and at least one sensor (e.g., infrared light photo transistor 800) configured to receive light in the infrared band. ), wherein the at least one processor is set to track the user's gaze based on a signal received by the at least one sensor when light emitted from the at least one second element is reflected by the user's eyeball. It can be.

At least one sensor included in the electronic device 101 according to an embodiment of this document may be included in the display.

According to an embodiment of the present document, the device may further include a blocking unit disposed between the at least one first element and the at least one second element.

According to an embodiment of the present document, the emitting layer of the first device may be formed on the same plane as the emitting layer of the first device.

According to an embodiment of the present document, the at least one processor controls the display to output the light in the infrared band in a second time period that is different from the first time period in which the light in the visible light band is output. More settings can be made.

According to an embodiment of this document, the length of the second time section may be shorter than the length of the first time section.

According to an embodiment of the present document, the at least one processor may be further set to control the display so that light in the infrared band is output only to an area corresponding to the eye position of the user.

According to an embodiment of the present document, the at least one processor may be further configured to determine an emission pattern of light in the infrared band according to an output mode related to light in the infrared band.

According to an embodiment of the present document, at least a portion of the at least one sensor may be arranged to be exposed to the outside of the display.

According to an embodiment of this document, the TFT (thin film transistor) structure of the first device and the TFT structure of the second device may be formed substantially the same. Electronics according to various embodiments disclosed in this document The device may be of various types. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of this document are not limited to the above-described devices.

The various embodiments of this document and the terms used herein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various changes, equivalents, or replacements of the embodiments. In connection with the description of the drawings, similar reference numbers may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the above items, unless the relevant context clearly indicates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited. One (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.” When mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. It can be used as A module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document are one or more instructions stored in a storage medium (e.g., built-in memory 2536 or external memory 2538) that can be read by a machine (e.g., electronic device 2501). It may be implemented as software (e.g., program 2540) including these. For example, a processor (e.g., processor 2520) of a device (e.g., electronic device 2501) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. A storage medium that can be read by a device may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.

According to one embodiment, methods according to various embodiments disclosed in this document may be provided and included in a computer program product. Computer program products are commodities and can be traded between sellers and buyers. The computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online. In the case of online distribution, at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

According to various embodiments, each component (e.g., module or program) of the above-described components may include a single or plural entity, and some of the plurality of entities may be separately placed in other components. there is. According to various embodiments, one or more of the components or operations described above may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple components (eg, modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, or omitted. Alternatively, one or more other operations may be added.

Claims (20)

In wearable devices,
housing;
At least one processor disposed inside the housing;
A display that is at least partially covered by the housing and includes at least one first element that emits light in the visible light band and at least one second element that emits light in the infrared band, and
At least one sensor configured to receive light in the infrared band,
The at least one processor is set to track the user's gaze based on a signal received by the at least one sensor when light emitted from the at least one second element is reflected by the user's eyeball,
The wearable device further comprises a blocking unit disposed between the at least one first element and the at least one second element. According to paragraph 1,
The at least one sensor is a wearable device, characterized in that included in the display. According to paragraph 1,
A wearable device, characterized in that the size of the second element is substantially larger than the size of the first element. According to paragraph 1,
A wearable device, wherein the emitting layer of the second device is formed on the same plane as the emitting layer of the first device. According to paragraph 1,
The at least one processor is further configured to control the display so that light in the infrared band is output in a second time period different from the first time period in which light in the visible light band is output. . According to clause 5,
A wearable device, characterized in that the length of the second time section is shorter than the length of the first time section. According to paragraph 1,
The at least one processor is further configured to control the display so that light in the infrared band is output only to an area corresponding to the eye position of the user. According to paragraph 1,
Wherein the at least one processor is further configured to determine an emission pattern of light in the infrared band according to an output mode related to light in the infrared band. According to paragraph 1,
A wearable device, wherein at least a portion of the at least one sensor is disposed to be exposed to the outside of the display. According to paragraph 1,
A wearable device, characterized in that the TFT (thin film transistor) structure of the first device and the TFT structure of the second device are formed to be substantially the same. In a method of operating a wearable device, the wearable device includes:
housing;
At least one processor disposed inside the housing;
A display that is at least partially covered by the housing and includes at least one first element that emits light in the visible light band and at least one second element that emits light in the infrared band, and
At least one sensor configured to receive light in the infrared band,
The method of operating the wearable device includes tracking the user's gaze based on a signal received by the at least one sensor when light emitted from the at least one second element is reflected by the user's eyeball, ,
A method of operating a wearable device, further comprising a blocking unit disposed between the at least one first element and the at least one second element. According to clause 11,
A method of operating a wearable device, wherein the at least one sensor is included in the display. According to clause 11,
A method of operating a wearable device, characterized in that the size of the second element is substantially larger than the size of the first element. According to clause 11,
A method of operating a wearable device, wherein the emitting layer of the second device is formed on the same plane as the emitting layer of the first device. According to clause 11,
The method of operating the wearable device further includes controlling the display to output light in the infrared band in a second time period that is different from the first time period in which light in the visible light band is output. How to operate a wearable device. According to clause 15,
A method of operating a wearable device, characterized in that the length of the second time section is shorter than the length of the first time section. According to clause 11,
The method of operating the wearable device further includes controlling the display to output light in the infrared band only to an area corresponding to the eye position of the user. According to clause 11,
The method of operating the wearable device further comprises determining an emission pattern of light in the infrared band according to an output mode related to light in the infrared band. According to clause 11,
A method of operating a wearable device, wherein at least a portion of the at least one sensor is disposed to be exposed to the outside of the display. According to clause 11,
A method of operating a wearable device, characterized in that the TFT (thin film transistor) structure of the first device and the TFT structure of the second device are formed substantially the same.

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