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integrated image device

An image device and image technology, applied in the directions of identification device, display device, decorative art, etc., can solve the problem of reducing the thickness of the device

Active Publication Date: 2019-01-08
罗灵光学创新有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, further reductions in device thickness are still required because more elaborate optical designs often require additional layers, thus increasing the thickness of the combined image device.

Method used

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Embodiment Construction

[0038] Throughout the drawings, the same reference numerals are used for similar or corresponding elements.

[0039] To better understand the proposed technical solution, it is useful to start with a brief overview of standard integrated image devices.

[0040] In this specification, the term "integrated image device" is used to refer to a device that, through a plurality of small focusing elements, selects, for a particular viewing angle, a portion of the corresponding image plane as a "partial image" and uses such The manner in which they are presented to the observer: the observer's brain composes the total "integrated" image from these partial images. Thus, the term "integrated image device" includes devices in which each focusing element has its corresponding cell area within the image segment plane, the content in each cell of the image segment plane being suitable for presenting the appropriate part Image, for a specific viewing angle.

[0041] The term "integrated im...

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PUM

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Abstract

An integrated image device (1) comprising: an array (20) of focusing microlenses (22); an optional reflective layer (40) and an image segment plane (30). The reflective layer is positioned on the same side of the array of focusing microlenses as the focal plane of the focusing microlenses themselves. The reflective layer is configured to reflect at least a portion of light incident on a surface (49) facing the reflective layer focused into the array of lenses. The image slice plane has an image slice structure (32). An array of focusing microlenses is positioned between the reflective layer and the image segment plane. The image segment plane is configured to be reflected by said reflective layer and pass through said array of focusing microlenses (22) when observed by refraction against said reflective layer. Refraction back from the reflective layer produces an integrated image.

Description

technical field [0001] The technique proposed by the present invention relates generally to composite image devices, and generally to devices on which a composite image is formed by the cooperation of a large number of microlenses. Background technique [0002] The field of combining images has grown rapidly over the past few years. Currently, integrated imaging devices are used to create eye-capturing visual effects for many different purposes, for example, as security markings, tamper indications or simply aesthetic images. Typically, integrated image means are intended to be provided as labels or as an integral part in another device. Many different optical effects have been discovered and used, often different optical effects are combined to give a specific desired visual phenomenon. At the same time, there is a general need to keep the integrated image device as thin as possible in order to facilitate integration eg into other layer materials. [0003] A typical appr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/22B44F1/10G06K19/16G09F3/02G09F19/14G02B30/40
CPCB44F1/10G02B3/0056B42D25/425B42D25/324B42D25/373G02B30/40G06K19/16B42D25/342B42D25/328B42D25/351
Inventor 阿克塞尔·伦德瓦尔
Owner 罗灵光学创新有限公司