Facebook Technologies, LLC (Menlo Park, CA)

A headset display device can be described as comprising a central processor, multiple integrated circuits for projectors and a central processor which can process image data. Each integrated circuit for a projector contains several first circuits, which comprise a light emitter array. Each integrated circuit for a projector has a second circuit that is linked to the various first integrated circuits. The second integrated circuit includes an image processor that is configured to generate transformed image data correcting for geometrical or brightness distortions and (2) is set up to transmit the transformed image data to the multiple first integrated circuits that display the image.

Portable displays have seen a dramatic increase in popularity, leading to an increase in need for lightweight and efficient displays. Some of these displays can reduce clarity, frame rate or field of vision to lower power consumption and allow for more comfortable wear (body-carried displays). These sacrifices can lead to poor user experience. Displays could reduce brightness or lower resolution, color depth, maximum display frame rate, or field of view, which reduces the value of a display. Displays that have low frame rates and narrow fields of view might not be practical for certain applications. Particularly in scenarios where the display is utilized to deliver an immersive experience for the user, display quality impacts the impression of the quality of the experience itself. Additionally, the issue is the significant computing expense needed to render and provide top-quality user experiences.

In certain embodiments, a display of a head-mounted display device may function by displaying an image to the user via a waveguide configuration that is displayed on the display. The image may be provided by one or more projector-integrated circuitsassociated with the display. A number of projector integrated circuits may be utilized in particular embodiments. Each user may possess one or more projectors. A centralheadset CPU may coordinate the projector integrated circuits and also send rendering data to the projectors.

In certain embodiments, a projection integrated circuit (referenced in this article as”projector “projector”) may comprise several components. The components could be or be incorporated in an integrated circuit. Warpengines, display drivers or backplane controller might be integrated into the components. Warp engines can perform initial visibility calculations for frame data that is stored in specialized object primitives by a rendering engine. determine the geometric warps to apply to the framedata, calculate a apply texture mapping, filtering and otherwise make the frame data ready to display. Warp engine’s images can be processed by display drivers. For example, a display driver may perform non-uniformity correctionsand dithering as required. The data from the image could be received from a backplane controller which can then instruct a light source to display it.

In certain embodiments, the components of a projector can be combined using various different architectures to enhance the performance and power efficiency of a of a head-mounted screen while still providing an excellent image.For instance, a warp engine may be incorporated with the central processor of a headset and connected to a variety of display drivers and backplane controllers. One or more display drivers can be included in a warp engine within an integrated circuit. Warp engines can also be connected to any or all backplane controllers and sharing an integrated circuit. Many manufacturing processes are able to make integrated circuits that include projectors. In particular they could be “stacked” three-dimensional circuits, or “side by side” two-and-a-half-dimensional circuits.

Certain embodiments could affect the options of packaging for integrated circuits as well as other components of the projector. A good example is an emission array that has been bonded to an integratedcircuit and mounted to an electronic circuit board. A circuit board may be connected to a different circuit. The aligner can adjust the position in relation to a waveguide coupler. As another example, an emitter arraymay be bonded to an integrated circuit which shares a circuit board other similar integrated circuits. For another instance, an emitter array may be bonded to an integrated circuit which is connected to an interposer which is part of a number of similar integrated circuits. The interposer can be connected to the circuit board. Another example is that an emitter array may be bonded to its own interposer, which is then bonded to an integrated circuit which has many similar interposer configurations bonded to it. Another instance is that multiple emitter arrays can be bonded together to an integrated circuit. The integrated circuits can include one or more warp engines, display drivers, or backplane controllers.

Embodiments of the invention can include or be implemented in conjunction with an artificial reality system. Artificial reality is the form or mix of realities that have changed prior to being displayed to a user. It may comprise a virtual reality, an augmented reality, a hybrid reality, and/or variations of these. Artificial reality content may include entirely generated content or content combined with capturedcontent (e.g. photos from the real world). Artificial reality content could comprise audio videos, video, haptic feedback and various other forms of media. It may be displayed in a single channel or on several channels. Stereo video is a stereo-sounding video which creates a 3-dimensional experience for the viewer. In some instances, artificial reality may be integrated with accessories, applications, products or services, or a combination thereof, that are, e.g., used to create content that is created in an artificial reality , or used to create (e.g. to perform tasks within) an artificial reality. Artificial reality systems that deliver artificial reality content can be utilized on a variety platforms. They include a head-mounted display (HMD) or an HMD that is standalone or any other platform that is capable of providing artificial reality content to one or more viewers.

The embodiments disclosed in this disclosure are just examples, and the scope of this disclosure is not limited to them. One embodiment may include all or a portion of the elements, components features, functions, or steps described in this disclosure. Embodiments according to the invention are in particular defined in the attached claims directed to a method, a storage device, a system and computer program products, which feature that is described in one claim category,e.g. method, can be claimed in a different claim category, e.g. system. The dependencies or references back in the claims that are attached are chosen for formal reasons only. However, any subject matter resulting from a deliberate reference to anyprevious claims (in particular multiple dependencies) can be claimed in addition, meaning that all combinations of claims as well as the features thereof are disclosed and are able to be claimed regardless of the dependencies selected in the attached claims. The subject-matterwhich can be claimed comprises not just the features that are combined as set out in the attached claims , but additionally any other combination of features in the claims. Each claim feature can be combined with any other feature or combination of features described in the claims. Furthermore each of the features and embodiments discussed or described herein can be claimed as a distinct claim and/or with any embodiment or feature that is described or illustrated herein or in combination with any feature of the attached claims.

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