David James Montgomery

This inventor holds 74 USPTO granted patents and 27 published patent applications and 9 EPO patents, primarily in Display Technology (CPC class H01L). Top assignees: Sharp Kabushiki Kaisha Corporation, Sharp Display Technology Corporation, Tohoku University. Active years: 2002-2026.

USPTO Granted Patents = 74 (Patent Applications = 27)

% Patents Active = 63.5

EPO Patents = 9 (Patent Applications = 12)

Average Co-Inventor Count = 2.6

ph-index = 14

Forward Citations = 607(Granted Patents)

Forward Citations (Not Self Cited) = 583(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Iffley, GB (2003)
Oxon, GB (2008)
Oxfordshire, GB (2009 - 2017)
Oxford, GB (2002 - 2023)
Bampton, GB (2009 - 2024)

Company Filing History:

72 out of 25,939

Sharp Kabushiki Kaisha Corporation

patents

2 out of 334

Sharp Display Technology Corporation

where one patent can have more than one assignee

Years Active: 2002-2026

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Areas of Expertise:

Head-Mounted Display

QLED Structures

Quantum Dot LED

Emission Control

Light Steering

Adaptive Headlight

Brightness Enhancement

Compact Displays

Microlenses

Transparent Cathode

Optical Layering

Holographic Imaging

74 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12656612 - Display device and head mounted display (2026-06-16),

2. 11968858 - Display subpixels having multiple emissive areas with high aspect ratios (2024-04-23),

3. 11871610 - Dual bank structure for improved extraction from an emissive layer (2024-01-09),

4. 11785819 - Layers for improved extraction for transparent cathode emissive displays (2023-10-10),

5. 11762138 - Microlenses and filter layers for emission control from a curved display (2023-09-19),

6. 11698550 - Composite lens system with changeable focal length (2023-07-11),

7. 11626576 - Layered light-emitting structure with roughened interface (2023-04-11),

8. 11604350 - Polarization mirror HMD with increased brightness (2023-03-14),

9. 11592670 - Compact high field of view display (2023-02-28),

10. 11460745 - Display with two thin film transistor substrates (2022-10-04),

11. 11456443 - High on-axis brightness and low colour shift QD-LED pixel with equal layer thicknesses between colour pixels (2022-09-27),

12. 11316135 - High-efficiency QLED structures (2022-04-26),

13. 11281005 - Compact head-mounted display system with orthogonal panels (2022-03-22),

14. 11264597 - Multiple QD-LED sub-pixels for high on-axis brightness and low colour shift (2022-03-01),

15. 11152538 - High on-axis brightness and low color shift QD-LED pixel (2021-10-19),

"Meet David James Montgomery: An Innovative Mind Behind 70 Patents"

David James Montgomery, a brilliant inventor hailing from Oxford, GB, has made notable contributions to the world of optics and electronics. Holding an impressive portfolio of 70 patents, Montgomery continues to be a driving force in the field of composite lens systems and light-emitting structures.

One of Montgomery's latest patents showcases his expertise in composite lens systems with changeable focal lengths. This cutting-edge invention involves a series of optical elements that enable the lens system to provide an output focal length based on a combination of selected continuous and discrete focal lengths. This breakthrough opens up new possibilities in various optical applications.

Another remarkable invention by Montgomery is the layered light-emitting structure with a roughened interface. This innovative structure includes a sub-pixel stack, a cover layer, and an interface between the substrate and the cover layer. The interface roughness plays a crucial role in emitting light, splitting it into a scattering component caused by the roughness and a cavity component. The ratio of luminance between these components increases with the viewing angle, offering a unique display experience.

Throughout his illustrious career, Montgomery has been affiliated with renowned companies such as Sharp Kabushiki Kaisha Corporation and Tohoku University. At Sharp Kabushiki Kaisha Corporation, known as Sharp, he likely collaborated with exceptional individuals like his coworkers Tim Michael Smeeton and Koji Takahashi. These collaborative efforts in an innovative environment likely contributed to the successful development of groundbreaking technologies.

David James Montgomery's patents and inventions have undoubtedly left a lasting impact on the field of optics and electronics. His dedication to pushing the boundaries of technology continues to inspire future innovators. Stay tuned to our website, idiyas.com, to explore more fascinating inventors, their inventions, and the world of patents.