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公开(公告)号：US12099287B2
公开(公告)日：2024-09-24
申请号：US17891489
申请日：2022-08-19
发明人： Hongxiu Zhang , Zhiyi Lu , Lin Wang , Yi Li
IPC分类号： G03B21/62 , G03B21/56 , G03B21/58 , G03B21/60 , G03B21/625
CPC分类号： G03B21/62 , G03B21/56 , G03B21/58 , G03B21/60 , G03B21/625
摘要： A transparent projection screen and a manufacturing method. The transparent projection screen is for receiving projection light and transmitting ambient light and comprises a first substrate layer, a Fresnel structure layer, a surface diffusion layer, a nano metal plating layer, and a binding adhesive layer. The Fresnel structure layer is disposed on the first substrate layer and comprises a prism surface. The surface diffusion layer is disposed on a portion of the prism surface. The nano metal plating layer is disposed on the surface diffusion layer. The binding adhesive layer is disposed on the nano metal plating layer and fills and levels the prism surface. The projection light passes the first substrate layer and is incident on the prism surface and then reflected thereby. The ambient light passes the binding adhesive layer, the nano metal plating layer, the surface diffusion layer and the first substrate layer, and is emitted.
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公开(公告)号：US11906892B2
公开(公告)日：2024-02-20
申请号：US17455107
申请日：2021-11-16
IPC分类号： G03B21/602 , G02B5/02 , G03B21/56 , G03B21/625 , G03B21/604 , G03B21/60
CPC分类号： G03B21/602 , G02B5/0284 , G03B21/56 , G03B21/60 , G03B21/604 , G03B21/625
摘要： A total reflection screen comprises a light diffusion layer, a total reflection layer and a light absorption layer arranged sequentially from an incidence side of the projected light. The light absorption layer can absorb an incident light. The light diffusion layer is used for increasing a divergence angle of emergent light. The total reflection layer comprises a plurality of microstructure units that is rotationally symmetrical and extends continuously in a plane of the total reflection screen. Each of the microstructure units comprises a first material layer disposed at the side of the light diffusion layer and a second material layer disposed at the side of the light absorption layer. The interface between the first material layer and the second material layer is comprised of two intersecting planes, which are disposed in such a way that the projected light is subjected to total reflection continuously at the two intersecting planes.
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公开(公告)号：US11886103B2
公开(公告)日：2024-01-30
申请号：US17771292
申请日：2020-10-24
摘要： The projection screen includes a reflective layer and a light-absorbing layer, where the reflective layer is configured to receive and reflect projection light, and the light-absorbing layer is arranged on the reflective layer; the light-absorbing layer includes a plurality of irregularly arranged light-absorbing members; and the light-absorbing members are configured to absorb at least a part of the projection light, so as to make a brightness of a projected image uniform.
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公开(公告)号：US12078919B2
公开(公告)日：2024-09-03
申请号：US17436457
申请日：2020-02-26
发明人： Jie Wang , Hongxiu Zhang , Wei Sun , Lin Wang , Yi Li
CPC分类号： G03B21/60 , B29C48/0018 , B29C48/002 , B29C59/04 , G02B5/0242 , G02B5/0268 , G02B5/0284 , B29K2105/16 , B29K2995/003 , B29L2031/737
摘要： A wire grid structure and a manufacturing method therefor, and a projection screen are provided. The manufacturing method includes: extruding a molten mixed material body in a melt extruder to a casting roll to form a casting piece; patterning the casting piece by means of an impression roll to form a precursor having a preset wire grid structure pattern, where the precursor is wound on the impression roll and has a first dimension in a height direction; stretching the precursor by a first group of stretching rolls and a second group of stretching rolls in two opposite directions along a direction perpendicular to the height direction to form the wire grid structure, a preset distance being configured between the first group of stretching rolls and the second group of stretching rolls. The wire grid structure has a second dimension in the height direction that is greater than the second dimension.
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公开(公告)号：US11906891B2
公开(公告)日：2024-02-20
申请号：US17286444
申请日：2019-09-26
IPC分类号： G03B21/60 , G02B3/00 , G03B21/602 , G02B5/22 , G02B1/04
CPC分类号： G03B21/60 , G02B3/0012 , G02B5/22 , G03B21/602 , G02B1/04
摘要： A projection screen and a processing method therefor, wherein the projection screen comprises, in sequence from the incident side of projection light, a diffusion layer, a microlens array and a substrate. The inner side of the substrate is provided with a Fresnel microstructure, and part of the surface of the Fresnel microstructure is provided with a reflecting layer while the remaining part of the surface is a light absorbing layer. The microlens array is used for focusing the projection light on the reflecting layer. The reflecting layer is used for reflecting projection light back to the field of view of viewers. Ambient light is mostly absorbed by the light absorbing layer. The settings of the structure and dimension of the microlens array enable the projection light to be only incident onto the reflecting layer of the Fresnel microstructure and the ambient light to be mostly absorbed by the light absorbing layer.
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公开(公告)号：US11762275B2
公开(公告)日：2023-09-19
申请号：US17291261
申请日：2019-09-26
IPC分类号： G03B21/60 , G02B5/00 , G03B21/602 , G02B5/02
CPC分类号： G03B21/60 , G02B5/003 , G02B5/0221 , G03B21/602
摘要： A projection screen and a projection system. The projection screen includes a reflection layer and a light absorption layer for absorbing light which are sequentially arranged from an incident side of projection light; the reflection layer comprises multiple microstructure units; each microstructure unit comprises a first plane and a second plane which are opposite to each other at an angle in a first direction as well as a third plane and a fourth plane which are opposite to each other at an angle in a second direction.
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公开(公告)号：US12130429B2
公开(公告)日：2024-10-29
申请号：US17641618
申请日：2020-08-31
发明人： Fei Hu , Lin Wang , Xiaofeng Tang , Shijie Li , Yi Li
CPC分类号： G02B27/0101 , B60K35/00 , B60K2360/23 , G02B2027/0196
摘要： A head-up display screen, a head-up display assembly, and a vehicle are provided. The head-up display screen is attached to an inner side of an attachment surface of a windshield and configured to reflect image light emitted towards the windshield. The head-up display screen includes a functional layer, a reflective layer, and a protective layer that are sequentially arranged in a direction from the windshield to a driving position. The functional layer includes prism microstructures protruding from the inner side of the attachment surface of the windshield. The reflective layer is at least attached to lower inclined surfaces of the prism microstructures and is configured to reflect the image light towards the driving position. The protective layer covers the reflective layer and the functional layer.
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公开(公告)号：US11892766B2
公开(公告)日：2024-02-06
申请号：US17597434
申请日：2020-06-28
发明人： Lin Wang , Xiaofeng Tang , Wei Sun , Yi Li
IPC分类号： G03B21/60 , G03B21/56 , G03B21/58 , G03B21/62 , G03B21/625
CPC分类号： G03B21/60 , G03B21/56 , G03B21/58 , G03B21/62 , G03B21/625
摘要： Provided is a projection screen, the taper angles of a plurality of triangular pyramid units arranged in an array are designed to gradually change according to a predetermined relationship, so that the image light emitted from the projector is reflected by a microstructure layer with a triangular pyramid unit and then converges to a range centered on the human eye, which reduces the difference in brightness at different viewing positions, so as to ensure that the projection screen has high brightness uniformity and high gain.
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公开(公告)号：US11300869B2
公开(公告)日：2022-04-12
申请号：US16979264
申请日：2018-10-16
摘要： A screen capable of reflecting projected light from a projector to a viewer's field of view, at least comprising a surface diffusion layer (14), a transmission light-absorbing layer (13) and a projection reflective layer (12) which are stacked sequentially from the incident side of the projected light. The projection reflective layer (12) selectively reflects the projected light. The transmission light-absorbing layer (13) comprises light-absorbing material particles, and the distribution of the light-absorbing material particles in the transmission light-absorbing layer (13) is set according to the distribution of the Fresnel loss of the projected light on the surface of the screen, such that the light transmittance of the transmission light-absorbing layer (13) is higher in the region where the Fresnel loss is larger. Further disclosed is a projection system comprising the screen. The screen and the projection system have high contrast and high brightness uniformity.
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公开(公告)号：US11221553B2
公开(公告)日：2022-01-11
申请号：US16636484
申请日：2017-12-06
IPC分类号： G03B21/602 , G02B5/02 , G03B21/56 , G03B21/625 , G03B21/604 , G03B21/60
摘要： A total internal reflection screen includes a light diffusion layer, a total internal reflection layer and a light absorption layer arranged sequentially from an incidence side of a projected light. The light absorption layer absorbs an incident light and the light diffusion layer increases a divergence angle of an emergent light. The total internal reflection layer includes a plurality of microstructure units that is rotationally symmetrical and extends continuously in a plane of the total internal reflection screen. Each of the microstructure units includes a first material layer disposed at the side of the light diffusion layer and a second material layer disposed at the side of the light absorption layer. The interface between the first material layer and the second material layer is includes two intersecting planes, which are disposed in such a way that the projected light is totally internally reflected continuously at the two intersecting planes.
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