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1. 发明申请

WO2020007534A1 IMAGE SENSOR COMPRISING A COLOR SPLITTER WITH TWO DIFFERENT REFRACTIVE INDEXES, AND DIFFERENT HEIGHT 审中-公开
公开(公告)号：WO2020007534A1
公开(公告)日：2020-01-09
申请号：PCT/EP2019/063739
申请日：2019-05-28
申请人： THOMSON LICENSING
发明人： DAMGHANIAN, Mitra , SHRAMKOVA, Oksana , BLONDE, Laurent
IPC分类号： H01L27/146
摘要： It is proposed an image sensor comprising pixels for acquiring color information from incoming visible light, wherein said image sensor comprising three pixels being partially covered by a color splitter structure for deviating only one color channel of said incoming visible light towards one of said three pixels, and for deviating other colors of said incoming visible light towards the other pixels among said three pixels. The color splitter structure comprises a first (101), a second (103) and a third (102) parallelepiped structures arranged so that the first and the third parallelepiped structures are side by side and in contact with the second parallelepiped structure, and wherein the first and the third parallelepiped structures have same dimensions, and are made of a same dielectric material, with a refractive index n H ,and wherein said second parallelepiped structure being smaller in height (H2) compared to said first and third parallelepiped structures (H1), and wherein said second parallelepiped structure being made of a dielectric material with a refractive index n L , and wherein the refractive index n H is greater than the refractive index n L .

2. 发明申请

WO2019063241A1 IMAGE SENSOR COMPRISING PIXELS FOR PREVENTING OR REDUCING THE CROSSTALK EFFECT 审中-公开
公开(公告)号：WO2019063241A1
公开(公告)日：2019-04-04
申请号：PCT/EP2018/073541
申请日：2018-08-31
申请人： THOMSON LICENSING
发明人： BORISKIN, Artem , DAMGHANIAN, Mitra , SHRAMKOVA, Oksana , DRAZIC, Valter , BLONDE, Laurent
IPC分类号： H01L27/146
CPC分类号： H01L27/14645 , H01L27/1462 , H01L27/14621 , H01L27/14625
摘要： The present disclosure concerns an image sensor comprising a set of pixels, wherein each pixel of the set comprises a first and a second element, the first element comprising a photodiode module unit, and the second element being an element for filtering color and focusing incident light into said first element. The image sensor further comprises at least two consecutive pixels from the set of pixels, for which first elements are put side by side, and wherein the image sensor comprises a gap between second elements of said at least two consecutive pixels.

3. 发明申请

WO2019175010A1 DIFFRACTION GRATING COMPRISING DOUBLE-MATERIALS STRUCTURES 审中-公开
公开(公告)号：WO2019175010A1
公开(公告)日：2019-09-19
申请号：PCT/EP2019/055679
申请日：2019-03-07
申请人： THOMSON LICENSING
发明人： BORISKIN, Artem , DAMGHANIAN, Mitra , SHRAMKOVA, Oksana , DRAZIC, Valter , BLONDE, Laurent
IPC分类号： G02B5/18 , B82Y30/00 , G02B27/42
摘要： In one embodiment of the disclosure, it is proposed a diffraction grating for diffracting light comprising a substrate and a plurality of grating unit cells positioned on the substrate surface. The grating unit cells form a periodic array of grating unit cells which are parallel to each other on said substrate surface or are along a same axis. The diffraction grating is associated with a three-dimensional Cartesian coordinates system defined by axis x, y and z, wherein the z-axis being normal to said diffraction grating. A cross-section of a grating unit cell, in a vertical xz plane, comprises a homogeneous dielectric host medium with a first refractive index n 1 , embedding at least a first block of a first dielectric material with a first width W 1 along an x-axis, a height H along a z-axis and a second refractive index n 2 , an edge of which along said z-axis is in direct contact with at least a second block of a second dielectric material with a second width W 2 along said x-axis, said height H along said z-axis and a third refractive index n 3 , said first, second and third refractive indexes n 1 , n 2 n 3 are different from each other such that n 1 3 2 . The first block and the second block have a trapezoidal cross-section in said vertical xz plane. The first and second blocks have two sidewalls and a top surface running parallel to a top surface of the substrate, and the trapezoidal cross-section defines base angles. The plurality of grating unit cells provides non symmetrical response for positive first diffraction order and negative first diffraction order based on nanojets hot spot positions defined by values of said parameters H, n 1 , n 3 , n 2 . and said base angles, from electromagnetic waves, which are normally incident on said diffraction grating and come from a side opposite to said substrate in a vertical xz plane with a free-space wavelength λ, called an operating wavelength, said free-space wavelength λ belonging to the visible light domain, and wherein said nanojets being generated at edges between dielectric materials with different refractive indexes.

4. 发明申请

WO2019115488A1 A DIFFRACTION GRATING STRUCTURE COMPRISING SEVERAL GRATING LINES 审中-公开
公开(公告)号：WO2019115488A1
公开(公告)日：2019-06-20
申请号：PCT/EP2018/084269
申请日：2018-12-11
申请人： THOMSON LICENSING
发明人： DAMGHANIAN, Mitra , OKSANA, Shramkova , DRAZIC, Valter
IPC分类号： G02B5/18 , G02B6/34 , F21V8/00 , G02B6/124
CPC分类号： G02B5/1866 , G02B6/124 , G02B6/34
摘要： In one embodiment of the disclosure, it is proposed diffraction grating structure comprising several grating lines. The diffraction grating structure is associated with a propagation layer, and the diffraction grating structure is made of a material that has a refractive index being equal to n 2 (λ). The diffraction grating structure is remarkable in that it comprises 1/T grating lines per μm, with T = (n 2 (λ) +1)/λ, where λ is a wavelength defined from an incident electromagnetic wave.

5. 发明申请

WO2019129659A1 AN IMAGE SENSOR COMPRISING AN ARRAY OF PIXELS FOR REDUCING THE SHADOWING EFFECT, AND CORRESPONDING DESIGNING METHOD AND COMPUTER PROGRAM PRODUCT. 审中-公开
公开(公告)号：WO2019129659A1
公开(公告)日：2019-07-04
申请号：PCT/EP2018/086335
申请日：2018-12-20
申请人： THOMSON LICENSING
发明人： DAMGHANIAN, Mitra , SHRAMKOVA, Oksana , DRAZIC, Valter
IPC分类号： H01L27/146
CPC分类号： H01L27/14643 , H01L27/14605 , H01L27/14607
摘要： The present disclosure relates to an image sensor (21) comprising an array of pixels, wherein a set of pixels of the array comprises pixels with different height levels arranged according to their height level and relative position to an optical axis (22) of the image sensor, wherein each pixel of the set can take one height level i among N different height levels, N≥ 2, where i = 1 is the smallest height level and i = N is the highest height level. According to the disclosure, for a pixel of the set having a first height level equal to n, 2 ≥ n ≥ N, and an adjacent pixel of the set having a second height level equal to m, lower than the first height level, in at least one of horizontal, vertical, or diagonal scanning direction, from a point at which the optical axis (22) intersects the image sensor (21) to at least one rim of the image sensor, the second height level m is equal to n— 1.

6. 发明申请

WO2018122267A1 AN IMAGE SENSOR COMPRISING AT LEAST ONE SENSING UNIT WITH LIGHT GUIDING MEANS 审中-公开
公开(公告)号：WO2018122267A1
公开(公告)日：2018-07-05
申请号：PCT/EP2017/084650
申请日：2017-12-27
申请人： THOMSON LICENSING
发明人： BORISKIN, Artem , BLONDE, Laurent , SCHUBERT, Arno , DAMGHANIAN, Mitra
IPC分类号： H01L27/146 , G02B27/56 , B82Y20/00
摘要： The present disclosure concerns an image sensor comprising at least one sensing unit, said at least one sensing unit comprising means for converting light into a readable electric signal. The image sensor is remarkable in that said at least one sensing unit comprises light guiding means for guiding light in direction to said means for converting light into a readable electric signal, said light guiding means comprising: - at least one layer of a dielectric material, having a first refractive index with a surface having at least one abrupt change of level forming a step, and - an element having a second refractive index lower than said first refractive index, which is in contact with said step.

7. 发明申请

WO2019063766A1 ENHANCED LIGHT CAPTURE IMAGE SENSOR 审中-公开
公开(公告)号：WO2019063766A1
公开(公告)日：2019-04-04
申请号：PCT/EP2018/076411
申请日：2018-09-28
申请人： THOMSON LICENSING
发明人： DAMGHANIAN, Mitra , BORISKIN, Artem , DRAZIC, Valter
IPC分类号： H01L27/146
CPC分类号： H01L27/14627 , H01L27/14621 , H01L27/14629 , H01L27/14645
摘要： It is proposed an enhanced light capture image sensor comprising an array of pixels, each pixel comprising a micro-lens (ML1), a photosensitive layer (PL) and a colour filter layer (FL) arranged between said micro-lens and photosensitive layers, said image sensor comprising, for at least one pair of adjacent pixels, an optical isolating trench (OT1) placed between the colour filter layers of said adjacent pixels and extending from the micro-lenses of said adjacent pixels.

8. 发明申请

WO2018073407A1 DEVICE AND METHOD FOR SHIELDING AT LEAST ONE SUB-WAVELENGTH-SCALE OBJECT FROM AN INCIDENT ELECTROMAGNETIC WAVE 审中-公开
标题翻译：用于从事故电磁波屏蔽至少一个次级波长物体的装置和方法
公开(公告)号：WO2018073407A1
公开(公告)日：2018-04-26
申请号：PCT/EP2017/076835
申请日：2017-10-20
申请人： THOMSON LICENSING
发明人： BORISKIN, Artem , DAMGHANIAN, Mitra , BLONDE, Laurent
IPC分类号： G02B5/20
CPC分类号： G02B5/203 , G02B2207/101 , G02B2207/121 , H05K9/0081
摘要： A device for shielding at least one sub-wavelength-scale object (10) from an electromagnetic wave (20), which is incident on said device, comprises at least one layer of a dielectric material ( Media 1 ), a surface of which having at least one abrupt change of level forming a step. At least a lower and lateral part of said surface with respect to said step is in contact with a medium (111) having a refractive index (n 2 ) lower than that (n 1 ) of said dielectric material. Said at least one sub-wavelength-scale object (10) is located within said device in a quiet zone (QZ) where an electromagnetic field intensity is below a threshold, said quiet zone extending above said surface, in the vicinity of said step, in a direction of incidence of said electromagnetic wave (20).
摘要翻译：用于从入射在所述设备上的电磁波（20）屏蔽至少一个子波长级对象（10）的设备包括至少一个介电材料层（< i> Media 1），其表面至少有一个水平的突变，形成一个台阶。相对于所述台阶，所述表面的至少下部和侧面部分与折射率（n 2）低于（n 1/2）的介质（111）接触，）的所述介电材料。所述至少一个亚波长尺度物体（10）在电磁场强度低于阈值的安静区（QZ）内位于所述装置内，所述安静区在所述台阶附近延伸到所述表面上方，在所述电磁波（20）的入射方向上。

9. 发明公开

EP3629076A1 DEVICE FOR RADIATING AT LEAST ONE OUTGOING ELECTROMAGNETIC WAVE WHEN ILLUMINATED BY AN INCOMING ELECTROMAGNETIC WAVE 审中-公开
公开(公告)号：EP3629076A1
公开(公告)日：2020-04-01
申请号：EP18197465.0
申请日：2018-09-28
申请人： THOMSON LICENSING
发明人： VARGHESE, Bobin , DRAZIC, Valter , BLONDE, Laurent , DAMGHANIAN, Mitra
IPC分类号： G02B27/56 , G21K1/00
摘要： A device (200) is proposed comprising a first part (101) of a first material having a first refractive index n1 and a second part (102) of a second material having a second refractive index n2 higher than n1. Such device further comprises at least one contact area (110) in between the first and second parts, radiating an outgoing electromagnetic wave (100o) when the device is illuminated by an incoming electromagnetic wave (100i). A projection of the at least one contact area along a direction of propagation of the incoming electromagnetic wave has a non-vanishing height lower than 1.2 times a critical height equal to a wavelength in vacuum of the incoming electromagnetic wave divided by the difference between the second refractive index n2 and the first refractive index n1.

10. 发明公开

EP3343619A1 AN IMAGE SENSOR COMPRISING AT LEAST ONE SENSING UNIT WITH LIGHT GUIDING MEANS 审中-公开
公开(公告)号：EP3343619A1
公开(公告)日：2018-07-04
申请号：EP16306844.8
申请日：2016-12-29
申请人： Thomson Licensing
发明人： BORISKIN, Artem , BLONDE, Laurent , SCHUBERT, Arno , DAMGHANIAN, Mitra
IPC分类号： H01L27/146 , G02B27/56
CPC分类号： H01L27/14629 , B82Y20/00 , G02B27/56 , G02B2207/101 , H01L27/14621 , H01L27/14625 , H01L27/14627
摘要： The present disclosure concerns an image sensor comprising at least one sensing unit, said at least one sensing unit comprising means for converting light into a readable electric signal. The image sensor is remarkable in that said at least one sensing unit comprises light guiding means for guiding light in direction to said means for converting light into a readable electric signal, said light guiding means comprising:
- at least one layer of a dielectric material, having a first refractive index with a surface having at least one abrupt change of level forming a step, and
- an element having a second refractive index lower than said first refractive index, which is in contact with said step.

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