KR20240028254A - Lens assembly comprising light emitting element disposed on a support lens and wearable electronic device comprising the same - Google Patents

Abstract

According to one embodiment, a lens assembly includes a lens housing connected to the main housing, a main lens connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface. A support lens connected to the lens housing and positioned rearward than the main lens, and a display connected to the lens housing, positioned ahead of the main lens, and irradiating light in a direction toward the main lens. It may include a light emitting element disposed on the support lens and located in an area where the light emitted from the display does not reach. Various embodiments may be possible.

Description

Lens assembly including a light emitting element disposed on a support lens and a wearable electronic device including the same {LENS ASSEMBLY COMPRISING LIGHT EMITTING ELEMENT DISPOSED ON A SUPPORT LENS AND WEARABLE ELECTRONIC DEVICE COMPRISING THE SAME}

Various embodiments of the present disclosure generally relate to wearable electronic devices, for example, to a lens assembly including a light-emitting element disposed on a support lens and a wearable electronic device including the same.

Electronic devices are being developed that have user interfaces that provide users with experiences of augmented reality, virtual reality, mixed reality, and/or extended reality. The above-mentioned background technology is possessed or acquired in the process of deriving this disclosure and cannot necessarily be said to be known technology disclosed to the general public before the application of this disclosure.

According to one embodiment, a wearable electronic device may include a main housing and a pair of lens assemblies disposed in the housing. The lens assembly includes a lens housing connected to the main housing, a main lens connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface, the lens housing a support lens connected to the main lens, a display connected to the lens housing, located ahead of the main lens, and irradiating light in a direction toward the main lens, and disposed on the support lens. and may include a light emitting element located in an area where the light emitted from the display does not reach.

According to one embodiment, a lens assembly includes a lens housing, a main lens connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface, the lens housing comprising: a support lens connected to the main lens, a display connected to the lens housing, positioned ahead of the main lens, and irradiating light in a direction toward the main lens, and disposed on the support lens. , may include a light emitting element located in an area where the light emitted from the display does not reach.

According to one embodiment, a wearable electronic device may include a main housing and a pair of lens assemblies disposed in the housing. The lens assembly includes a lens housing connected to the main housing, a main lens connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface, the lens housing a support lens connected to the main lens, a display connected to the lens housing, located ahead of the main lens, and irradiating light in a direction toward the main lens, and disposed on the support lens. and may include a light emitting element located in an area where the light emitted from the display does not reach and spaced apart from the lens housing. The rear surface may include a central part that is an area through which the light passes, and a border part located outside the central part and supporting the light emitting device.

The above and other aspects, features and advantages of specific embodiments of the present disclosure will become apparent from the following detailed description with reference to the accompanying drawings.
1 is a block diagram of an electronic device in a network environment according to an embodiment.
FIG. 2 is a diagram illustrating the structure of a wearable electronic device according to an embodiment.
FIG. 3 is a diagram for explaining the operation of an eye tracking camera included in a wearable electronic device according to an embodiment.
Figure 4 is a front perspective view of a wearable electronic device according to an embodiment.
Figure 5 is a rear perspective view of a wearable electronic device according to an embodiment.
Figure 6 is a rear perspective view of a lens assembly according to one embodiment.
Figure 7 is an exploded perspective view of a lens assembly according to one embodiment.
Figure 8 is a cross-sectional view taken along the cutting line AA of Figure 6.
9 is a rear view of a support lens, a lens housing, and a light emitting device according to an embodiment.

1 is a block diagram of an electronic device in a network environment according to an embodiment.

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, 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 the 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, coprocessor 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 device) 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 one embodiment, 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 one 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.

Electronic devices according to embodiments disclosed in this document 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 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 the embodiments of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit, for example. You can. 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).

Embodiments of this document include one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140). For example, a processor (e.g., processor 120) of a device (e.g., electronic device 101) 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, the method according to the 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 via an application store (e.g. Play Store ^TM ) 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 embodiments, each component (eg, a module or program) of the above-described components may include a single or multiple entities, and some of the multiple entities may be separately arranged in other components. According to 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 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, omitted, or Alternatively, one or more other operations may be added.

FIG. 2 is a diagram illustrating the structure of a wearable electronic device according to an embodiment.

Referring to FIG. 2, a wearable electronic device 200 (e.g., electronic device 101 or electronic device 102 in FIG. 1) is worn on the user's face and provides augmented reality services and/or virtual reality services to the user. Related videos can be provided.

In one embodiment, the wearable electronic device 200 includes a first display 205, a second display 210, screen displays 215a and 215b, input optical members 220a and 220b, and a first transparent member 225a. ), second transparent member 225b, lighting units 230a, 230b, first substrate 235a, second substrate 235b, first hinge 240a, second hinge 240b, camera for photography (245), a plurality of microphones (e.g., first microphone 250a, second microphone 250b, third microphone 250c), a plurality of speakers (e.g., first speaker 255a, second speaker 255b) )), battery 260, first recognition camera 265a, second recognition camera 265b, first eye tracking (eye detection) camera 270a, second eye tracking camera 270b, temple ( It may include a rim temple (271a, 271b), a rim (272a, 272b), and a bridge (273).

In one embodiment, the displays (e.g., first display 205 and second display 210) include, for example, a liquid crystal display (LCD), a digital mirror device (DMD), ), a liquid crystal on silicon (LCoS) device, an organic light emitting diode (OLED), or a micro LED (micro light emitting diode, micro LED). Although not shown in the drawings, when the displays 205 and 210 are made of one of a liquid crystal display device, a digital mirror display device, or a silicon liquid crystal display device, the wearable electronic device 200 is a screen output area of the displays 205 and 210. It may include a light source that irradiates light. In another embodiment, if the displays 205 and 210 are capable of generating light on their own, for example, if they are made of one of organic light emitting diodes or micro LEDs, the wearable electronic device 200 does not include a separate light source. Even so, it is possible to provide a virtual image of good quality to the user. In one embodiment, if the displays 205 and 210 are implemented with organic light emitting diodes or micro LEDs, a light source is not required, so the wearable electronic device 200 can be lightweight. Hereinafter, the displays 205 and 210 that can generate light on their own will be referred to as self-luminous displays, and will be described on the assumption that they are self-luminous displays.

Displays 205 and 210 according to various embodiments of the present invention may be composed of at least one micro LED (micro light emitting diode). For example, micro LED can express red (R, red), green (G, green), and blue (B, blue) by self-emitting, and its size is small (e.g., 100㎛ or less), so each chip is one Can implement a pixel (e.g. one of R, G, and B). Accordingly, when the displays 205 and 210 are composed of micro LEDs, high resolution can be provided without a back light unit (BLU). However, it is not limited to this, and one pixel may include R, G, and B, and one chip may be implemented with a plurality of pixels including R, G, and B. The displays 205 and 210 may also be called a ‘light source unit.’

In one embodiment, the displays 205 and 210 may include pixels for displaying virtual images. The displays 205 and 210 may further include infrared pixels that emit infrared light.

Depending on the embodiment, the displays 205 and 210 include light-receiving pixels (e.g., photo sensor pixels) that receive light reflected from the user's eyes and convert it into electrical energy and output the light reflected from the user's eyes disposed between the pixels. More may be included. The light-receiving pixel(s) may be referred to as an 'eye tracking sensor'. An eye tracking sensor (e.g., eye tracking sensor 315 in FIG. 3) may detect infrared light emitted by infrared pixels included in the displays 205 and 210 reflected by the user's eyes.

The wearable electronic device 200 may detect the user's gaze direction (eg, eye movement) through the light-receiving pixels 315. For example, the wearable electronic device 200 transmits light to the user's left eye through one or more light-receiving pixels 315 constituting the first display 205 and one or more light-receiving pixels 315 constituting the second display 210. The gaze direction and the gaze direction of the user's right eye can be detected and tracked. The wearable electronic device 200 determines the position of the center of the virtual image according to the gaze direction of the user's left and right eyes (e.g., the direction in which the pupils of the user's left and right eyes are gazing) detected through one or more light-receiving pixels 315. You can also decide.

The wearable electronic device 200 may include displays 205 and 210, a first transparent member 225a and/or a second transparent member 225b, and the user wears the wearable electronic device 200 on the face. It can be used as is. According to one embodiment, the first transparent member 225a may be disposed to face the user's left eye, and the second transparent member 225b may be disposed to face the user's right eye. According to various embodiments, when the displays 205 and 210 are transparent, they may be disposed in positions facing the user's eyes to form screen display units 215a and 215b.

The first display 205 and the second display 210 may each include a first control circuit (not shown). The first control circuit may control the first display 205 and the second display 210. The first control circuit may control the operation of the liquid crystal element of the transparent cover (not shown) included in the first display 205 and the second display 210. In one embodiment, the light emitted from the displays 205 and 210 is transmitted through a lens (not shown) and a waveguide (e.g., the display light guide 350 and the eye tracking camera light guide 360 of FIG. 3). Screen display units 215a formed on the first transparent member 225a disposed to face the user's left eye and formed on the second transparent member 225b disposed to face the user's right eye. The screen displays 215b can be reached.

A lens (not shown) may be placed in front of the displays 205 and 210. Lenses (not shown) may include concave lenses and/or convex lenses. For example, the lens (not shown) may include a projection lens (eg, projection lens 325 in FIG. 3) or a collimation lens (not shown).

In one embodiment, light emitted from the displays 205 and 210 may be guided to an optical path through the input optical members 220a and 220b to the optical waveguides 350 and 360. Light traveling inside the optical waveguides 350 and 360 may be guided toward the user's eyes through an output optical member (eg, the output optical member 340 of FIG. 3). The screen display units 215a and 215b may be determined based on light emitted in the direction of the user's eyes (eg, the user's eyes 301 in FIG. 3).

For example, the light emitted from the displays 205 and 210 is reflected in the grating area of the optical waveguides 350 and 360 formed on the input optical members 220a and 220b and the screen displays 215a and 215b, thereby providing the user with It can be delivered to the eyes 301.

In one embodiment, the screen display units 215a and 215b or transparent members (e.g., the first transparent member 225a and the second transparent member 225b) include lenses including optical waveguides 350 and 360, and reflective lenses. may include. The optical waveguides 350 and 360 serve to transmit the light source generated by the displays 205 and 210 to the user's eyes, and may be called 'optical waveguides' or 'wave guides'. Hereinafter, ‘optical waveguide’ or ‘waveguide’ may correspond to the screen display units 215a and 215b.

The screen display units 215a and 215b are paths through which external light is incident, totally reflected, and emitted, and can be distinguished from the first transparent member 225a and the second transparent member 225b through which external light is simply reflected or transmitted. there is.

The screen display units 215a and 215b may be made of glass, plastic, or polymer, and may have a nanopattern formed on one inner or outer surface, for example, a polygonal or curved grating structure, that is, a grid. May contain structures. According to one embodiment, light incident on one end of the screen display units 215a and 215b through the input optical members 220a and 220b may be propagated inside the display light waveguide 350 by a nano-pattern and provided to the user. there is. In one embodiment, the screen display units 215a and 215b composed of free-form prisms may provide incident light to the user through a reflection mirror.

The screen display units 215a and 215b may include at least one of at least one diffractive element (eg, a diffractive optical element (DOE), a holographic optical element (HOE)) or a reflective element (eg, a reflective mirror). The screen display units 215a and 215b display the information from the display (e.g., the first display 205 and the second display 210) using at least one diffractive element or reflection element included in the screen display units 215a and 215b. The emitted display light can be guided to the user's eyes.

According to various embodiments, the diffractive element may include input optics 220a, 220b/output optics (e.g., output optics 340 of FIG. 3). For example, the input optical members 220a and 220b may refer to an input grating area, and the output optical member 340 may refer to an output grating area. The input grating area may serve as an input terminal that diffracts (or reflects) light output from the displays 205 and 210 (e.g., micro LED) to transmit the light to the screen display units 215a and 215b. The output grating area may serve as an outlet that diffracts (or reflects) the light transmitted to the optical waveguides 350 and 360 to the user's eyes 301.

According to various embodiments, the reflective element may include a total internal reflection (TIR) optical element or a total internal reflection waveguide. For example, total reflection is a method of guiding light, in which light (e.g., virtual image) input through the input grating area is 100% or 100% in a portion (e.g., a specific side) of the screen display portions 215a and 215b. This may mean creating an angle of incidence so that it reflects close to , so that 100% or close to 100% is transmitted to the output grating area.

The first transparent member 225a and/or the second transparent member 225b may be formed of a glass plate, a plastic plate, or a polymer, and may be made transparent or translucent. According to an embodiment, the first transparent member 225a may be disposed to face the user's left eye, and the second transparent member 225b may be disposed to face the user's right eye.

The lighting units 230a and 230b may have diverse uses depending on where they are attached. For example, lighting units 230a and 230b may be attached around the rims 272a and 272b of the wearable electronic device 200. The lighting units 230a and 230b may be used as an auxiliary means to facilitate eye gaze detection when photographing the pupil with the eye tracking cameras 270a and 270b. The lighting units 230a and 230b may use IR LEDs (infra-red light emitting devices) of visible light wavelengths or infrared wavelengths.

Alternatively, the lighting units 230a and 230b may be connected to the rims 272a and 272b of the wearable electronic device 200 and the temples 271a and 271b corresponding to the temples of the glasses (e.g., a first hinge). A camera (e.g., a first recognition camera 265a, 2 It can be attached around the recognition camera (265b). At this time, the cameras 265a and 265b may be, for example, global shutter (GS) cameras, but are not necessarily limited thereto.

In this case, the lighting units 230a and 230b can be used as a means to supplement ambient brightness when shooting with a global shutter (GS) camera. The lighting units 230a and 230b can be especially used in dark environments or when it is difficult to detect a subject to be photographed due to mixing and reflected light from various light sources.

Depending on the embodiment, the lighting units 230a and 230b may be omitted. The lighting units 230a and 230b may be replaced by infrared pixels included in the first display 205 and the second display 210. In another embodiment, the lighting units 230a and 230b may be included in the wearable electronic device 200 to assist infrared pixels included in the first display 205 and the second display 210.

A printed circuit board (PCB) (e.g., the first board 235a and the second board 235b) may be placed on the temples 271a and 271b of the wearable electronic device 200, and may be a flexible printed circuit board (FPCB). ) can transmit electrical signals to each module (e.g. camera, display, audio, or sensor) and other printed circuit boards. According to various embodiments, at least one printed circuit board includes a first substrate 235a, a second substrate 235b, and an interposer (not shown) disposed between the first substrate 235a and the second substrate 235b. It may be in a form including a poem).

In one embodiment, the PCB (e.g., the first substrate 235a and the second substrate 235b) includes components that constitute the wearable electronic device 200 excluding the first display 205 and the second display 210. A control circuit (not shown) that controls may be located. The control circuit may control components other than the first display 205 and the second display 210 and perform operations such as depth value estimation. The control circuit may include a communication circuit (e.g., communication module 190 of FIG. 1) or a memory (e.g., memory 130 of FIG. 1). The control circuit may control the first display 205, the second display, and/or other components.

The hinges 240a and 240b may correspond to a portion where the temples 271a and 271b and the rims 272a and 272b of the wearable electronic device 200 are coupled.

In one embodiment, the photographing camera 245 may be referred to as high resolution (HR) or photo video (PV), and may include a high resolution camera. The photography camera 245 may include a color camera equipped with functions for obtaining high-quality images, such as an auto focus (AF) function and an optical image stabilizer (OIS). It is not limited to this, and the photographing camera 245 may include a global shutter (GS) camera or a rolling shutter (RS) camera.

In one embodiment, a plurality of microphones (eg, the first microphone 250a, the second microphone 250b, and the third microphone 250c) may process external acoustic signals into electrical voice data. Processed voice data can be used in various ways depending on the function (or application being executed) being performed by the wearable electronic device 200.

In one embodiment, a plurality of speakers (e.g., the first speaker 255a, the second speaker 255b) are received from a communication circuit (e.g., the communication module 190 of FIG. 1) or a memory (e.g., the communication module 190 of FIG. 1). Audio data stored in the memory 130 can be output.

In one embodiment, the battery 260 may include one or more batteries and may supply power to components constituting the wearable electronic device 200.

In one embodiment, the first recognition camera 265a and the second recognition camera 265b perform 3 degrees of freedom (3DoF), 6DoF head tracking, and hand detection and tracking. , may include a camera used for gesture and/or spatial recognition. For example, the first recognition camera 265a and the second recognition camera 265b may include a global shutter (GS) camera to detect and track the movement of the head and hand. For example, for head tracking and spatial recognition, a stereo camera can be used, so two global shutter (GS) cameras of the same standard and performance can be used, and can detect and detect fine movements such as fast hand movements and fingers. A rolling shutter (RS) camera can be used for tracking. In one embodiment, a global shutter (GS) camera with excellent camera performance (e.g., image drag) may be mainly used, but is not necessarily limited thereto. According to various embodiments, a rolling shutter (RS) camera may be used. The first recognition camera 265a and the second recognition camera 265b can perform spatial recognition for 6DoF and simultaneous localization and mapping (SLAM) functions through depth shooting. Additionally, the first recognition camera 265a and the second recognition camera 265b may perform a user gesture recognition function.

In one embodiment, at least one sensor (not shown) (e.g., a gyro sensor, an acceleration sensor, a geomagnetic sensor, and/or a gesture sensor), a first recognition camera 265a, and a second recognition camera 265b Performs at least one of the following slam functions: head tracking for 6DoF, pose estimation & prediction, gesture and/or spatial recognition, and/or depth shooting. You can.

In another embodiment, the first recognition camera 265a and the second recognition camera 265b may be used separately as a camera for head tracking and a camera for hand tracking.

In one embodiment, the first eye tracking camera 270a and the second eye tracking camera 270b can detect and track pupils. The first eye tracking camera 270a and the second eye tracking camera 270b determine that the center of the virtual image projected on the wearable electronic device 200 is in the direction where the eyes of the user wearing the wearable electronic device 200 gaze. It can be used to position it accordingly. For example, the first eye tracking camera 270a and the second eye tracking camera 270b may be mainly used as global shutter (GS) cameras to detect the pupil and track fast eye movement. The first eye tracking camera 270a may be installed to correspond to the user's left eye, and the second eye tracking camera 270b may be installed to correspond to the user's right eye. At this time, the camera performance and specifications of the first eye tracking camera 270a and the second eye tracking camera 270b may be the same, but are not necessarily limited thereto. The operation of the eye tracking camera (e.g., the first eye tracking camera 270a and the second eye tracking camera 270b) will be described in more detail with reference to FIG. 3 below.

FIG. 3 is a diagram for explaining the operation of an eye tracking camera included in a wearable electronic device according to an embodiment. Referring to FIG. 3, the eye tracking camera 310 (e.g., the first eye tracking camera 270a and the second eye tracking camera 270b of FIG. 2) of the wearable electronic device 300 according to an embodiment is displayed. 320 (e.g., the first display 205 and the second display 210 in FIG. 2) using light (e.g., infrared light) output to track the user's eyes 301, that is, the user's gaze. The process is shown.

The eye tracking camera 310 may include a gaze tracking sensor 315. The eye tracking sensor 315 may be included inside the eye tracking camera 310. The gaze tracking sensor 315 may detect the first reflected light reflected from the user's eyes 301 by the infrared reflected light 303. The eye tracking camera 310 can track the user's eyes 301, that is, the user's gaze, based on the detection result of the eye tracking sensor 315.

The display 320 may include a plurality of visible light pixels and a plurality of infrared pixels. Visible light pixels may include R, G, and B pixels. Visible light pixels can output visible light corresponding to a virtual object image. Infrared pixels can output infrared light. The display 320 may include, for example, micro light emitting diodes (micro LEDs) or organic light emitting diodes (OLEDs).

The wearable electronic device 300 may perform eye tracking using infrared light output from the display 320. A projection lens 325 may be disposed between the display 320 and the input optical member 330 (e.g., input optical member 220a, 220b in FIG. 2).

Infrared light output from the display 320 is incident on the input optical member 330 through the projection lens 325, and is reflected into infrared light by a half mirror (not shown) included in the input optical member 330. It can be separated into (303) and infrared transmitted light (305).

The half mirror may be formed in all or part of the input optical member 330. When a half mirror is formed in the entire area of the input optical member 330, the input optical member 330 may be referred to as a half mirror. A half mirror may be disposed on the input optical member 330 of the display optical waveguide 350. The half mirror may be disposed inside or below the input optical member 330. The half mirror may include a grating structure.

The half mirror may output infrared reflected light and infrared transmitted light from the infrared light output from the display 320. The half mirror may include a grating structure. The grating structure reflects a portion of the output infrared light and directs the infrared reflected light directly toward the user's eyes 301 or the infrared reflected light toward the user's eyes 301 through the output optical member 340 via the display light waveguide 350 ( 303) can be output, and another part of the infrared light can be transmitted to output infrared transmitted light 305.

Infrared reflected light 303 may be output directly toward the user's eyes 301. The infrared reflected light 303 may pass through the display light waveguide 350 and then be output toward the user's eyes 301 through the output optical member 340. Infrared transmitted light 305 may be output toward the real world. Infrared transmitted light 305 may be incident on a real object and some of it may be reflected from the real object.

The display optical waveguide 350 and the eye tracking camera optical waveguide 360 may be included inside the transparent member 370 (eg, the first transparent member 225a and the second transparent member 225b in FIG. 2). The transparent member 370 may be formed of a glass plate, a plastic plate, or a polymer, and may be made transparent or translucent. The transparent member 370 may be disposed to face the user's eyes. At this time, the distance between the transparent member 370 and the user's eyes 301 may be called 'eye relief' 380.

Transparent member 370 may include optical waveguides 350 and 360. The transparent member 370 may include an input optical member 330 and an output optical member 340. Additionally, the transparent member 370 may include a splitter 375 for eye tracking that separates the input light into several waveguides.

In FIG. 3 , the display optical waveguide 350 and the input optical member 330 are depicted as being separated, but this is only an example, and the input optical member 330 may be included within the display optical waveguide 350.

Additionally, although the output optical member 340 is depicted as being separated from the eye tracking optical waveguide 360 in FIG. 3, the output optical member 340 may be included within the optical waveguide 360.

An optical waveguide (e.g., display optical waveguide 350, eye tracking camera optical waveguide 360) can output a virtual object image by adjusting the path of visible light. Visible light and infrared light output from the display 320 may pass through the projection lens 325 and enter the input optical member 330. Among the light incident on the input optical member 330, visible light may be totally reflected through the display light waveguide 350 and guided to the output optical member 340. Visible light may be output from the output optical member 340 toward the user's eyes 301.

The wearable electronic device 300 may reflect or transmit infrared light output from the display 320 through the half mirror. In one embodiment, the wearable electronic device 300 outputs the infrared reflected light 303 reflected by a half mirror (not shown) directly toward the user's eyes 301 or outputs the infrared reflected light 303 via the display optical waveguide 350. (303) can be output toward the user's eyes (301). In one embodiment, the wearable electronic device 300 may output infrared transmitted light 305 that passes through the half mirror toward a real object. At this time, the reflectance and transmittance of the half mirror can be adjusted. A half mirror may, for example, have a reflectance of 30% (e.g., reflecting toward the user's eyes) and a transmittance of 70% (e.g., output toward a real-world object) for infrared light. However, these reflectances and transmittances are only examples and can be adjusted to various ratios.

In one embodiment, the wearable electronic device 300 may output infrared reflected light 303 toward the user's eyes through an infrared pixel included in the display 320 and a half mirror. Infrared reflected light 303 is reflected from the user's eyes 301, and the gaze tracking sensor 315 can detect the reflected light. The half mirror included in the display 320 and optical waveguide 350 containing infrared pixels can replace a separate infrared light source for eye tracking and/or detection of real-world objects. By omitting a separate infrared light source, the wearable electronic device 300 can be lightweight and power consumption can be reduced. In addition, the display 320 including infrared pixels serves as an auxiliary light source to improve the image quality of the stereo camera (e.g., the first recognition camera 265a and the second recognition camera 265b in FIG. 2) in a low-light environment. can increase the accuracy of depth information.

Alternatively, the wearable electronic device 300 outputs infrared light through the display 320 and identifies real objects through a stereo camera (e.g., the first recognition camera 265a and the second recognition camera 265b in FIG. 2). Light reflected from can be detected. The wearable electronic device 300 can estimate the distance to a real-world object based on the detection result. For example, the wearable electronic device 300 may measure a depth value or estimate the distance to a real-world object using a time of flight (ToF) method.

The wearable electronic device 300 (eg, the wearable electronic device 200 of FIG. 2) can provide augmented reality to the user. The wearable electronic device 300 transmits the virtual object image output from the display 320 to the user's eyes through the optical waveguide 350 and simultaneously provides an image of the real world through the transparent optical waveguide 360. can do.

The wearable electronic device 300 may be, for example, a head mounted display (HMD), a face mounted display (FMD), or an augmented reality (AR) virtual reality glass (VR), or a mixture. It may be smart glass or a headset that provides extended reality such as mixed reality, but is not necessarily limited thereto.

According to one embodiment, the wearable electronic device 300 may output infrared light using the display 320 including infrared pixels. The wearable electronic device 300 can track the user's gaze using infrared light output from the display 320. Additionally, the wearable electronic device 300 can estimate the distance to a real-world object using infrared light output from the display 320.

Figure 4 is a front perspective view of a wearable electronic device according to an embodiment. Figure 5 is a rear perspective view of a wearable electronic device according to an embodiment.

Referring to FIGS. 4 and 5 , a wearable electronic device 401 (eg, electronic device 101 of FIG. 1 ) may be worn on a part of the user's body and provide a user interface. For example, the electronic device 401 may provide the user with an experience of augmented reality, virtual reality, mixed reality, and/or extended reality.

In one embodiment, the electronic device 401 may include a housing 410. Housing 410 may be configured to accommodate at least one component. The housing 410 has a first side 411A (e.g., front), a second side 411B opposite the first side 411A (e.g., back), and the first side 411A and the second side. It may include a third surface 411C (eg, side surface) between 411B.

In one embodiment, housing 410 may include a plurality of housing parts. For example, the housing 410 may include a first housing part 411 and a second housing part 412. The first housing part 411 may form the first surface 411A of the housing 410. The first housing part 411 may form at least a portion of the third surface 411C of the housing 410. The second housing part 412 may form the second surface 411B of the housing 410. The second housing part 412 may form at least a portion of the third surface 411C of the housing 410. In one embodiment, the second housing part 412 may face a part of the user's body (eg, face). In one embodiment, the first housing part 411 and the second housing part 412 may be separably coupled. In one embodiment, the first housing part 411 and the second housing part 412 may be integrally and seamlessly connected.

In one embodiment, housing 410 may include a cover 413. The cover 413 may form the first surface 411A of the housing 410. The cover 413 may be configured to cover at least a portion of the first housing part 411.

In one embodiment, housing 410 may include bridge 414 . Bridge 414 may be configured to face a part of the user's body (eg, nose). For example, bridge 414 may be supported by the user's nose. The bridge 414 may be formed on at least one of the first housing part 411, the second housing part 412, or the cover 413, or a combination thereof.

In one embodiment, the electronic device 401 may include a lens structure 420. The lens structure 420 may include a plurality of lenses configured to adjust the focus of an image provided to the user. For example, a plurality of lenses may be configured to adjust the focus of an image output by the display 460. A plurality of lenses may be disposed at positions corresponding to the position of the display 460. The plurality of lenses may include, for example, a Fresnel lens, a pancake lens, a multichannel lens, and/or any other suitable lens.

In one embodiment, the electronic device 401 may include a display 460 (eg, display module 160 of FIG. 1). The display 460 may be configured to provide an image (eg, a virtual image) to the user. For example, the display 460 may include a liquid crystal display (LCD), a digital mirror device (DMD), a liquid crystal on silicon (LCoS), an organic It may include an organic light emitting diode (OLED), and/or a micro light emitting diode (micro LED). In some embodiments, the display 460 may include a light source (not shown) configured to transmit an optical signal to an area where an image is output. In some embodiments, the display 460 may provide images to the user by generating light signals on its own. In one embodiment, the display 460 may be disposed on the second side 411B of the housing 410. In one embodiment, display 460 may be disposed in second housing part 412. In one embodiment, the display 460 may include a first display area 460A and a second display area 460B. The first display area 460A may be arranged to face the user's left eye. The second display area 460B may be arranged to face the user's right eye. In one embodiment, the first display area 460A and the second display area 460B may include glass, plastic, and/or polymer. In one embodiment, the first display area 460A and the second display area 460B may include a transparent or translucent material. In one embodiment, the first display area 460A and the second display area 460B may form a single display area. In one embodiment, the first display area 460A and the second display area 460B may form a plurality of display areas.

In one embodiment, the electronic device 401 may include a sensor 476 (eg, sensor module 176 in FIG. 1). The sensor 476 may be configured to detect the depth of the subject. The sensor 476 may be configured to transmit a signal toward and/or receive a signal from the subject. For example, the transmitted signal may include near-infrared light, ultrasound, and/or laser. The sensor 476 may be configured to measure the time of flight (ToF) of a signal to measure the distance between the electronic device 401 and the subject. In one embodiment, sensor 476 may be disposed on first side 411A of housing 410. In one embodiment, the sensor 476 may be disposed at the center of the first housing part 411 and/or the cover 413.

In one embodiment, the electronic device 401 may include a plurality of first cameras 480A (eg, the camera module 180 of FIG. 1). A plurality of first cameras 480A may be configured to acquire images from a subject. One of the plurality of first cameras 480A is disposed in a first area (e.g., -X direction portion in FIG. 2) of the first surface 411A of the housing 410, Another first camera 480A may be disposed in a second area of the housing 410 (e.g., + there is. A plurality of first cameras 480A may be disposed on both sides of the sensor 476, respectively. The plurality of first cameras 480A may include an image stabilizer actuator (not shown) and/or an autofocus actuator (not shown). For example, the plurality of first cameras 480A may include at least one camera configured to acquire a color image, a global shutter camera, or a rolling shutter camera, or a combination thereof.

In one embodiment, the electronic device 401 may include a plurality of second cameras 480B (eg, the camera module 180 of FIG. 1). A plurality of second cameras 480B may be configured to recognize a subject. The plurality of second cameras 480B may be configured to detect and/or track an object (eg, a human head or hand) or space with 3 degrees of freedom or 6 degrees of freedom. For example, the plurality of second cameras 480B may include global shutter cameras. The plurality of second cameras 480B may be configured to perform simultaneous localization and mapping (SLAM) using depth information of the subject. The plurality of second cameras 480B may be configured to recognize the subject's gesture. In one embodiment, a plurality of second cameras 480B may be disposed on the first surface 411A of the housing 410. In one embodiment, a plurality of second cameras 480B may be respectively disposed in corner areas of the first housing part 411 and/or the cover 413.

In one embodiment, the electronic device 401 may include a plurality of third cameras 480C (eg, the camera module 180 of FIG. 1). The plurality of third cameras 480C may be configured to detect and track the user's pupils. Location information about the user's pupils may be used so that the center of the image displayed on the display 460 moves according to the direction in which the user's pupils are gazing. For example, the plurality of third cameras 480C may include global shutter cameras. Among the plurality of third cameras 480C, one third camera 480C may be placed to correspond to the user's left eye, and the other third camera 480C may be placed to correspond to the user's right eye. there is.

In one embodiment, the electronic device 401 may include a plurality of fourth cameras 480D (eg, the camera module 180 of FIG. 1). A plurality of fourth cameras 480D may be configured to recognize the user's face. For example, the plurality of fourth cameras 480D may be configured to detect and track the user's facial expression.

In an embodiment not shown, the electronic device 401 may include a microphone (e.g., the input module 150 of FIG. 1), a speaker (e.g., the sound output module 155 of FIG. 1), and a battery (e.g., the input module 150 of FIG. 1). battery 189), an antenna (e.g., antenna module 197 of FIG. 1), a sensor (e.g., sensor module 176 of FIG. 1), and/or any other suitable component for electronic device 401. You can.

FIG. 6 is a rear perspective view of a lens assembly according to an embodiment, and FIG. 7 is an exploded perspective view of a lens assembly according to an embodiment.

Referring to FIGS. 6 and 7 , the lens assembly 500 may be provided in a wearable electronic device (eg, the wearable electronic device 401 of FIG. 4 ). The lens assembly 500 may be provided in a housing (e.g., the housing 410 of FIG. 4) of a wearable electronic device (e.g., the wearable electronic device 401 of FIG. 4). In this specification, the housing supporting the lens assembly 500 may be referred to as the main housing. The lens assembly 500 may be provided as a pair. When a user wears a wearable electronic device, one lens assembly of the pair of lens assemblies 500 may be located in front of the user's left eye, and the other lens assembly may be located in front of the user's right eye. can be located The lens assembly 500 includes a camera (e.g., first camera 480A in FIG. 4), a lens structure (e.g., lens structure 420 in FIG. 5), and a display (e.g., display 460 in FIG. 5). can do. 4 and 5, the display of the lens assembly is shown as being located at the rear of the wearable electronic device, but it is not limited thereto. For example, the display may be located in front of the wearable electronic device. For reference, in the case of the lens assembly 500 described below, the display is located in front of the plurality of lenses. For example, the display may be positioned in the +Z direction relative to the plurality of lenses.

The lens assembly 500 may have a pillar shape with a hollow interior. The lens assembly 500 may include a display, a lens housing 510, a plurality of lenses, a light emitting device 570, a tape 580, and a cover window 590. A display, a plurality of lenses, and a cover window may be connected to the lens housing 510. The display may be located in front of the plurality of lenses. Light emitted from the display may pass through a plurality of lenses and reach the user's eyes.

The light emitting element 570 may emit light backward. For example, the light emitting device 570 may emit light in the -Z direction. The light-emitting device 570 irradiates light to the user's pupils, helping various cameras (e.g., the third camera 480C and the fourth camera 480D in FIG. 5) better detect and track the user's pupils. can do. For example, the light emitting device 570 can express red (R), green (G), and blue (B) by self-emitting light, and has a small size (e.g., 100 μm or less). One chip can implement one pixel (e.g., one of R, G, and B). Accordingly, when the display 460 is composed of micro LED, high resolution can be provided without a back light unit (BLU). However, it is not limited to this, and one pixel may include R, G, and B, and one chip may be implemented with a plurality of pixels including R, G, and B.

The light emitting element 570 may be disposed on any one lens among a plurality of lenses, rather than the lens housing 510 . For example, the light emitting element 570 may be disposed on the support lens 520. The light emitting element 570 may be disposed on the edge part of the support lens 520. Light emitting element 570 may be disposed on the rear surface of support lens 520.

The support lens 520 may include a front surface, which is a surface facing the lens located relatively front, and a rear surface provided opposite the front surface and facing rearward. The rear surface of the support lens 520 may include a central part 521 that is an area through which light emitted from the display passes, and a border part 522 located outside the central part 521. The border part 522 may support the light emitting element 570. The border part 522 may have a ring shape. A plurality of light emitting devices 570 may be provided. A plurality of light emitting devices 570 may be provided to be spaced apart along the edge part 522.

The edge part 522 of the rear surface of the support lens 520 is a dead zone that does not correspond to a light path and can support the light emitting device 570. As the support lens 520 supports the light emitting device 570 using the dead zone, the lens assembly 500 can have a compact structure. The lens housing 510 does not need to have a separate space to support the light emitting element 570.

The tape 580 may cover the light emitting device 570. The tape 580 may be located behind the light emitting device. The tape 580 can cover a plurality of light emitting devices 570 at once. The tape 580 may have a ring shape. The tape 580 can cover the shape of the light-emitting device 570 and allow light emitted from the light-emitting device 570 to pass through. According to this shape, when the user looks at the lens assembly 500, the light emitting device 570 itself can be prevented from being exposed to the user.

The cover window 590 may cover the light emitting device 570 and the tape 580. The cover window 590 may be formed of a transparent material. The cover window 590 may block moisture and/or foreign substances from entering the light emitting device 570 and the tape 580.

FIG. 8 is a cross-sectional view taken along the cutting line A-A of FIG. 6, and FIG. 9 is a rear view of a support lens, a lens housing, and a light emitting device according to an embodiment.

8 and 9, the lens assembly 500 includes a lens housing 510, a support lens 520, a main lens 530, a cover lens 540, a display 550, and a light emitting element 570. , it may include a tape 580 and a cover window 590.

The lens housing 510 may include a hollow interior. The lens housing 510 may be connected to the main housing (eg, housing 410 in FIG. 4). Lens housing 510 can support internal components of various sizes. For example, the internal shape of the lens housing 510 may be determined by the sizes of internal parts that are supported.

The support lens 520 may support the light emitting device 570. Support lens 520 may include a front surface facing main lens 530 and a rear surface facing cover window 590 . Each of the front surface and the back surface can include an effective diameter. Here, the effective diameter means the diameter corresponding to the area through which light passes. The support lens 520 may be located rearward (eg, -Z direction) than the main lens 530.

The rear surface of the cover window 590 may include a center part 521 and a border part 522. The central part 521 may be an area through which light emitted from the display 550 passes. The border part 522 may be an area through which light emitted from the display 550 does not pass. The border part 522 of the rear surface may not function as a lens. The lens assembly 500 can implement a compact structure by supporting the light emitting device 570 through the edge part 522 on the rear surface.

The first effective diameter E1, which is the diameter of the central part 521, may be smaller than the second effective diameter E2, which is the diameter of the area of the front surface through which light passes. The second effective diameter E2 may be smaller than the outer diameter D of the support lens 520. The difference between the size of the first effective diameter (E1) and the size of the second effective diameter (E2) may be greater than 1 mm. The second effective diameter (E2) may be larger than the first effective diameter (E1) by more than 1 mm. The area of the central part 521 may be smaller than the area of the front surface. The border part 522 may have a ring shape.

The main lens 530 may be connected to the lens housing 510. The main lens 530 may have a larger diameter than the support lens 520.

The cover lens 540 may be located in front of the main lens 530. The cover lens 540 can adjust the path of light emitted from the display 550 toward the main lens 530. The cover lens 540 may be disposed between the main lens 530 and the display 550.

The display 550 may be connected to the lens housing 510. The display 550 may emit light. The display 550 may emit light toward the rear. Light emitted from the display 550 may pass through a plurality of lenses and reach the user's pupils.

Light emitted from the display 550 may be refracted while passing through the cover lens 540. Light passing through the cover lens 540 may be refracted again while passing through the main lens 530. Light passing through the main lens 530 may be reflected from the front surface of the support lens 520 and head back to the main lens 530. Light directed back to the main lens 530 may be reflected back from the front surface of the main lens 530 and directed to the support lens 520. Light toward the support lens 520 may be refracted again and pass through the central part 521 of the support lens 520. Light passing through the central part 521 may be directed to the user's pupils.

The light emitting element 570 may be disposed on the support lens 520. The light-emitting device 570 may emit light from the user's pupils. The light emitting element 570 may be located in an area of the support lens 520 where light emitted from the display 550 does not reach. A plurality of light emitting devices 570 may be provided along the edge part of the support lens 520. The number of light emitting elements 570 is shown as 13, but the number is not limited thereto.

The tape 580 may cover the light emitting device 570. The tape 580 does not expose the shape of the light emitting device 570 to the outside, but allows light emitted from the light emitting device 570 to pass through. The tape 580 may have a ring shape. The inner diameter of the tape 580 may be larger than the first effective diameter E1. According to this shape, the tape 580 may not block the path of light emitted from the display 550.

The cover window 590 may be connected to the lens housing 510. The cover window 590 may protect the light emitting device 570 and the tape 580 from moisture and/or foreign substances from entering the light emitting device 570 and the tape 580.

According to one embodiment, the wearable electronic device 200 includes a main housing 401 and a lens assembly 500 disposed in the main housing 401, and the lens assembly 500 is located in the main housing. a connected lens housing (510), a main lens (530) connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface, the lens housing being connected to the lens housing; , a support lens 520 located behind the main lens, a display 550 connected to the lens housing, located ahead of the main lens, and irradiating light in a direction toward the main lens, and an image on the support lens. and may include a light emitting element 570 located in an area where the light emitted from the display does not reach.

In one embodiment, the rear surface may include a central part 521, which is an area through which the light passes, and a border part 522 located outside the central part and supporting the light emitting device.

In one embodiment, the first effective diameter (E1), which is the diameter of the central part 521, may be smaller than the second effective diameter (E2), which is the diameter of the area of the front surface through which the light passes.

In one embodiment, the difference between the size of the first effective diameter (E1) and the size of the second effective diameter (E2) may be 1 mm or more.

In one embodiment, the lens assembly may further include a tape 580 located behind the light emitting device and covering the light emitting device.

In one embodiment, the tape 580 may have a ring shape.

In one embodiment, the inner diameter of the tape 580 may be larger than the first effective diameter.

In one embodiment, the lens assembly may further include a cover window 590 that is connected to the lens housing and covers the light emitting device and the tape.

In one embodiment, the area of the central part 521 may be smaller than the area of the front surface.

In one embodiment, the border part 522 may have a ring shape.

In one embodiment, the light emitting devices 570 may be provided in plural numbers, and the plurality of light emitting devices may be arranged to be spaced apart from each other along the edge part.

In one embodiment, the light emitting device 570 may be spaced apart from the lens housing.

In one embodiment, the diameter of the main lens 530 may be larger than the diameter of the support lens.

In one embodiment, the lens assembly may further include a cover lens 540 disposed between the main lens and the display and connected to the lens housing.

In one embodiment, the diameter of the cover lens may be smaller than the diameter of the main lens.

According to one embodiment, the lens assembly 500 includes a lens housing 510, a main lens 530 connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface. A support lens 520 having a surface, connected to the lens housing, and located rearward than the main lens, connected to the lens housing, located ahead of the main lens, and emitting light in a direction toward the main lens. It may include a light emitting element 570 disposed on the irradiating display 550 and the support lens and located in an area where the light emitted from the display does not reach.

In one embodiment, the rear surface may include a central part 521, which is an area through which the light passes, and a border part 522 located outside the central part and supporting the light emitting device.

In one embodiment, the first effective diameter (E1), which is the diameter of the central part 521, may be smaller than the second effective diameter (E2), which is the diameter of the area of the front surface through which the light passes.

In one embodiment, the lens assembly may further include a tape 580 attached to the rear surface and covering the light emitting device.

According to one embodiment, the wearable electronic device 200 includes a main housing 401 and a lens assembly 500 disposed in the main housing 401, and the lens assembly 500 is located in the main housing. a connected lens housing (510), a main lens (530) connected to the lens housing, a front surface facing the main lens, and a rear surface provided opposite the front surface, the lens housing being connected to the lens housing; , a support lens 520 located behind the main lens, a display 550 connected to the lens housing, located ahead of the main lens, and irradiating light in a direction toward the main lens, and an image on the support lens. and a light emitting element 570 disposed in an area where the light emitted from the display does not reach, and spaced apart from the lens housing, wherein the rear surface includes a central part that is an area through which the light passes, and It may include a border part located outside the central part and supporting the light emitting device.

The effects of the wearable electronic device according to the embodiments are not limited to those mentioned above, and other effects not mentioned may be clearly understood by those skilled in the art from the description in the specification.

The embodiments in this document are intended to be illustrative and not restrictive. Various changes may be made to the details of the disclosure, including the appended claims and their equivalents. Any of the embodiment(s) described herein may be used in combination with any other embodiment(s) described herein.

Claims (20)

In the wearable electronic device 200,
main housing 401; and
Includes a lens assembly 500 disposed in the main housing 401,
The lens assembly 500,
A lens housing 510 connected to the main housing;
A main lens 530 connected to the lens housing;
a support lens (520) connected to the lens housing and positioned posterior to the main lens, having a front surface facing the main lens and a back surface provided opposite the front surface;
A display 550 connected to the lens housing, located in front of the main lens, and emitting light in a direction toward the main lens; And
A wearable electronic device comprising a light emitting element 570 disposed on the support lens and located in an area where the light emitted from the display does not reach.
According to claim 1,
The rear surface is,
a central part 521 that is an area through which the light passes; and
A wearable electronic device comprising a border part 522 located outside the central part and supporting the light emitting element.
According to claim 2,
A wearable electronic device wherein the first effective diameter (E1), which is the diameter of the central part (521), is smaller than the second effective diameter (E2), which is the diameter of the area of the front surface through which the light passes.
According to claim 3,
A wearable electronic device wherein the difference between the size of the first effective diameter (E1) and the size of the second effective diameter (E2) is 1 mm or more.
According to claim 3,
The lens assembly is located behind the light-emitting device and further includes a tape 580 that covers the light-emitting device.
According to claim 5,
The tape 580 is a wearable electronic device having a ring shape.
According to claim 6,
The wearable electronic device wherein the inner diameter of the tape (580) is larger than the first effective diameter.
According to claim 5,
The lens assembly further includes a cover window 590 that is connected to the lens housing and covers the light emitting element and the tape.
According to claim 2,
The wearable electronic device wherein the area of the central part (521) is smaller than the area of the front surface.
According to claim 2,
The edge part 522 is a wearable electronic device having a ring shape.
According to claim 2,
A wearable electronic device wherein the light-emitting devices 570 are provided in plural numbers, and the plurality of light-emitting devices are arranged to be spaced apart from each other along the edge part.
According to claim 1,
The light emitting element 570 is a wearable electronic device spaced apart from the lens housing.
According to claim 1,
A wearable electronic device wherein the diameter of the main lens 530 is larger than the diameter of the support lens.
According to claim 1,
The lens assembly further includes a cover lens 540 disposed between the main lens and the display and connected to the lens housing.
According to claim 14,
A wearable electronic device wherein the diameter of the cover lens is smaller than the diameter of the main lens.
In the lens assembly 500,
Lens housing 510;
A main lens 530 connected to the lens housing;
a support lens (520) connected to the lens housing and positioned posterior to the main lens, having a front surface facing the main lens and a back surface provided opposite the front surface;
A display 550 connected to the lens housing, positioned ahead of the main lens, and emitting light in a direction toward the main lens; and
A lens assembly including a light emitting element 570 disposed on the support lens and located in an area where the light emitted from the display does not reach.
According to claim 16,
The rear surface is,
a central part 521 that is an area through which the light passes; and
A lens assembly comprising a border part 522 located outside the central part and supporting the light emitting element.
According to claim 17,
The first effective diameter (E1), which is the diameter of the central part (521), is smaller than the second effective diameter (E2), which is the diameter of the area of the front surface through which the light passes.
According to claim 17,
A lens assembly further comprising a tape (580) attached to the rear surface and covering the light emitting element.
In the wearable electronic device 200,
main housing 401; and
Includes a lens assembly 500 disposed in the main housing 401,
The lens assembly 500,
A lens housing 510 connected to the main housing;
A main lens 530 connected to the lens housing;
a support lens (520) connected to the lens housing and positioned posterior to the main lens, having a front surface facing the main lens and a back surface provided opposite the front surface;
A display 550 connected to the lens housing, positioned ahead of the main lens, and emitting light in a direction toward the main lens; and
A light emitting element 570 is disposed on the support lens, is located in an area where the light emitted from the display does not reach, and is spaced apart from the lens housing,
The rear surface is,
a central part that is an area through which the light passes; and
A wearable electronic device comprising a border part located outside the central part and supporting the light emitting element.

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