> Quick answer: Recent patents show that solar lamps are evolving toward smarter systems with IoT integration, dynamic brightness control, and tracking mechanisms for better energy capture. However, bifacial panels and next-gen batteries remain underdeveloped in this space [24][6][13].
In recent years, the landscape of solar lamp technology has seen significant advancements, particularly in Romania. The direction of innovation is clear: towards smarter systems that integrate IoT connectivity, adaptive brightness algorithms, and advanced tracking mechanisms to optimize energy capture. However, patents still lack evidence for bifacial panels and next-generation batteries [24][6][13].
Smart Integration with IoT Connectivity
A 2022 WIPO patent application titled *An iot-based smart lighting system* describes a system that leverages IoT modules to enable remote monitoring, control, and data exchange between solar lamps and a central server [24]. This innovation allows for real-time data collection and adaptive behavior, such as responding to ambient light, occupancy, weather, or grid demand signals. Such systems can optimize energy usage across networks, making them more efficient and responsive.
Adaptive Brightness Algorithms
Adaptive lighting algorithms are another significant area of development. A 2024 U.S. patent, *Solar stepless dimming lamp*, introduces a controller that enables continuous, variable dimming based on stored energy levels or user-defined parameters [6]. This feature shifts the operation from simple on/off modes to fine-grained control, enhancing both utility and energy efficiency.
Dynamic Solar Panel Positioning
Dynamic solar panel positioning systems are also being refined. A 2018 U.S. patent *Systems for and methods of positioning solar panels* describes feedback mechanisms that adjust solar panel orientation in real time [13]. This technology aims to maximize sunlight capture, optimizing the energy efficiency of individual street lamps.
Absence of Bifacial Panels
While bifacial solar panels are advancing in the broader photovoltaic sector, they have yet to be widely adopted in solar lamp designs. No patent filings from 2020–2025 explicitly describe a bifacial solar lamp design or mention dual-sided light capture [19][20].
Mechanical and Digital Intelligence
The integration of both mechanical and digital intelligence is evident in recent patents. The *Automatic tracking wind-solar hybrid streetlight device* relies on physical mechanisms like reducers and pull rods to adjust panel angles, while the *Solar stepless dimming lamp* focuses on electronic control [7][6]. This hybrid approach indicates that future solar lamps will combine hardware and software to optimize energy capture and distribution.
Key Takeaways
- Solar lamps are evolving toward smarter systems with IoT connectivity.
- Adaptive brightness algorithms enable fine-grained, energy-aware illumination.
- Dynamic positioning of solar panels is being adapted for individual street lamps.
- Despite advancements in bifacial technology, its application to solar lamps remains unverified.
- Future solar lamps may combine physical tracking and digital control.
Frequently Asked Questions
„`json
[
{
„q”: „What recent patents indicate future directions in solar lamp technology?”,
„a”: „Recent patents highlight IoT connectivity, adaptive lighting algorithms, and dynamic panel positioning [24][6][13].”
},
{
„q”: „Are bifacial panels being used in solar lamps?”,
„a”: „Bifacial panels have advanced in the broader PV sector but are not yet widely adopted in solar lamp designs [19][20].”
},
{
„q”: „How do adaptive brightness algorithms work?”,
„a”: „Adaptive brightness algorithms enable stepless dimming based on stored energy levels or user-defined parameters, enhancing both utility and efficiency [6].”
}
]
„`
References
- [6] US20260068012A1_-_Solar_stepless_dimming_lamp_-_Google_Patents__cd9231ae — patent
source passage
# Solar stepless dimming lamp Source: Blog/Web URL: https://patents.google.com/patent/US20260068012A1/en Author: Date: 2024-09-20 US20260068012A1 – Solar stepless dimming lamp – Google Patents Solar stepless dimming lampInfo – Publication number – US20260068012A1 US20260068012A1 US18/891,567 US202418891567A US2026068012A1 US 20260068012 A1 US20260068012 A1 US 20260068012A1 US 202418891567 A US202418891567 A US 202418891567A US 2026068012 A1 US2026068012 A1 US 2026068012A1 – Authority – US – United States – Prior art keywords – controller – light – emitting body – stepless dimming – solar – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Pending Links Images Classifications – – H—ELECTRICITY – H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR – H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL – H05B45/00—Circuit arrangements for operating light-emitting diodes [LED] – H05B45/10—Controlling the intensity of the light – – H—ELECTRICITY – H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER – H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY – H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads fro
- [7] CN203068404U_-_Automatic_tracking_wind-solar_hybrid__047fd136 — patent
source passage
# Automatic tracking wind-solar hybrid streetlight device Source: Blog/Web URL: https://patents.google.com/patent/CN203068404U/en Author: Date: 2013-01-15 CN203068404U – Automatic tracking wind-solar hybrid streetlight device – Google Patents Automatic tracking wind-solar hybrid streetlight device Download PDFInfo – Publication number – CN203068404U CN203068404U CN2013200210867U CN201320021086U CN203068404U CN 203068404 U CN203068404 U CN 203068404U CN 2013200210867 U CN2013200210867 U CN 2013200210867U CN 201320021086 U CN201320021086 U CN 201320021086U CN 203068404 U CN203068404 U CN 203068404U – Authority – CN – China – Prior art keywords – reducer – pull rod – combination box – east – street lamp – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Expired – Lifetime Links Images Classifications – – Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS – Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE – Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS – Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamp
- [13] US11442132B2_-_Systems_for_and_methods_of_positioning_solar_panels__74bcacb1 — patent
source passage
# Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight Source: Blog/Web URL: https://patents.google.com/patent/US11442132B2/en Author: Date: 2018-07-06 US11442132B2 – Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight – Google Patents Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight Download PDFInfo – Publication number – US11442132B2 US11442132B2 US16/629,300 US201816629300A US11442132B2 US 11442132 B2 US11442132 B2 US 11442132B2 US 201816629300 A US201816629300 A US 201816629300A US 11442132 B2 US11442132 B2 US 11442132B2 – Authority – US – United States – Prior art keywords – solar – solar panel – panel modules – tracking system – spm – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active, expires Links Images Classifications – – G—PHYSICS – G05—CONTROLLING; REGULATING – G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES – G05D3/00—Control of position or direction – G05D3/12—Control of position or direction using feedback – – G—PHYSICS – G01—MEASURING; TESTING – G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTIO
- [19] European_Solar_Test_Installation_-_Joint_Research_Centre__cdb843b3 — authority
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modules for temperature and irradiance (2023) – Interlaboratory comparison of voltage sweep methods used for the electrical characterization of encapsulated high-efficiency c-Si solar cells (2023) – Improving spectral responsivity measurements by correcting for filter bandwidth (2023) – Building criteria for energy labeling of photovoltaic modules and small systems (2022) – Implementation of the IEC TS 60904-1-2 measurement methods for bifacial Silicon PV devices (2022) Related JRC reports – International Spectroradiometer Intercomparison 2025 (2026) – Photovoltaics Geographical Information System: Status Report 2025 (2026) – International Spectroradiometer Intercomparison 2024 – Final report (2025) – Photovoltaics Geographical Information System: Status Report 2024 (2025) – State-of-the-art assessment of solar energy technologies (2022) – Standards for Photovoltaic energy systems (2022)
- [20] Timeline_of_solar_cells_-_Wikipedia__857f1b3b — wikipedia
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2021. – "Fraunhofer ISE entwickelt effizienteste Solarzelle der Welt mit 47,6 Prozent Wirkungsgrad – Fraunhofer ISE". – Huang, Xinjing; Fan, Dejiu; Li, Yongxi; Forrest, Stephen R. (20 July 2022). "Multilevel peel-off patterning of a prototype semitransparent organic photovoltaic module". Joule. 6 (7): 1581–1589. Bibcode:2022Joule…6.1581H. doi:10.1016/j.joule.2022.06.015. ISSN 2542-4785. S2CID 250541919. – "Transparent solar panels for windows hit record 8% efficiency". University of Michigan News. 17 August 2020. Retrieved 23 August 2022. – Li, Yongxi; Guo, Xia; Peng, Zhengxing; Qu, Boning; Yan, Hongping; Ade, Harald; Zhang, Maojie; Forrest, Stephen R. (September 2020). "Color-neutral, semitransparent organic photovoltaics for power window applications". Proceedings of the National Academy of Sciences. 117 (35): 21147–21154. Bibcode:2020PNAS..11721147L. doi:10.1073/pnas.2007799117. ISSN 0027-8424. PMC 7474591. PMID 32817532. – "Researchers fabricate highly transparent solar cell with 2D atomic sheet". Tohoku University. Retrieved 23 August 2022. – He, Xing; Iwamoto, Yuta; Kaneko, Toshiro; Kato, Toshiaki (4 July 2022). "Fabrication of near-invisible solar cell with monolayer WS2". Scientific Reports. 12 (1): 11315. Bibcode:2022NatSR..1211315H. doi:10.1038/s41598-022-15352-x. ISSN 2045-2322. PMC 9253307. PMID 35787666. – Wells, Sarah. "Hair-thin solar cells could turn any surface into a power source". Inverse. Retrieved 18 January 2023. – Saravanapavanantham, Mayuran; Mwaura,
- [24] WO2022259107A1_-_An_iot-based_smart_lighting_system_-_Google__b2fd22f4 — patent
source passage
# An iot-based smart lighting system Source: Blog/Web URL: https://patents.google.com/patent/WO2022259107A1/en Author: Date: 2022-06-03 WO2022259107A1 – An iot-based smart lighting system – Google Patents An iot-based smart lighting system Download PDFInfo – Publication number – WO2022259107A1 WO2022259107A1 PCT/IB2022/055192 IB2022055192W WO2022259107A1 WO 2022259107 A1 WO2022259107 A1 WO 2022259107A1 IB 2022055192 W IB2022055192 W IB 2022055192W WO 2022259107 A1 WO2022259107 A1 WO 2022259107A1 – Authority – WO – WIPO (PCT) – Prior art keywords – lighting system – iot – module – smart lighting – based smart – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Ceased Links Classifications – – H—ELECTRICITY – H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR – H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL – H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant – H05B47/10—Controlling the light source – H05B47/105—Controlling the light source in response to determined parameters – H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light – – G—PHYSICS – G16—INFORMATION AND COMMUNIC
# Solar stepless dimming lamp Source: Blog/Web URL: https://patents.google.com/patent/US20260068012A1/en Author: Date: 2024-09-20 US20260068012A1 – Solar stepless dimming lamp – Google Patents Solar stepless dimming lampInfo – Publication number – US20260068012A1 US20260068012A1 US18/891,567 US202418891567A US2026068012A1 US 20260068012 A1 US20260068012 A1 US 20260068012A1 US 202418891567 A US202418891567 A US 202418891567A US 2026068012 A1 US2026068012 A1 US 2026068012A1 – Authority – US – United States – Prior art keywords – controller – light – emitting body – stepless dimming – solar – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Pending Links Images Classifications – – H—ELECTRICITY – H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR – H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL – H05B45/00—Circuit arrangements for operating light-emitting diodes [LED] – H05B45/10—Controlling the intensity of the light – – H—ELECTRICITY – H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER – H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY – H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads fro
# Automatic tracking wind-solar hybrid streetlight device Source: Blog/Web URL: https://patents.google.com/patent/CN203068404U/en Author: Date: 2013-01-15 CN203068404U – Automatic tracking wind-solar hybrid streetlight device – Google Patents Automatic tracking wind-solar hybrid streetlight device Download PDFInfo – Publication number – CN203068404U CN203068404U CN2013200210867U CN201320021086U CN203068404U CN 203068404 U CN203068404 U CN 203068404U CN 2013200210867 U CN2013200210867 U CN 2013200210867U CN 201320021086 U CN201320021086 U CN 201320021086U CN 203068404 U CN203068404 U CN 203068404U – Authority – CN – China – Prior art keywords – reducer – pull rod – combination box – east – street lamp – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Expired – Lifetime Links Images Classifications – – Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS – Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE – Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS – Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamp
# Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight Source: Blog/Web URL: https://patents.google.com/patent/US11442132B2/en Author: Date: 2018-07-06 US11442132B2 – Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight – Google Patents Systems for and methods of positioning solar panels in an array of solar panels to efficiently capture sunlight Download PDFInfo – Publication number – US11442132B2 US11442132B2 US16/629,300 US201816629300A US11442132B2 US 11442132 B2 US11442132 B2 US 11442132B2 US 201816629300 A US201816629300 A US 201816629300A US 11442132 B2 US11442132 B2 US 11442132B2 – Authority – US – United States – Prior art keywords – solar – solar panel – panel modules – tracking system – spm – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Active, expires Links Images Classifications – – G—PHYSICS – G05—CONTROLLING; REGULATING – G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES – G05D3/00—Control of position or direction – G05D3/12—Control of position or direction using feedback – – G—PHYSICS – G01—MEASURING; TESTING – G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTIO
modules for temperature and irradiance (2023) – Interlaboratory comparison of voltage sweep methods used for the electrical characterization of encapsulated high-efficiency c-Si solar cells (2023) – Improving spectral responsivity measurements by correcting for filter bandwidth (2023) – Building criteria for energy labeling of photovoltaic modules and small systems (2022) – Implementation of the IEC TS 60904-1-2 measurement methods for bifacial Silicon PV devices (2022) Related JRC reports – International Spectroradiometer Intercomparison 2025 (2026) – Photovoltaics Geographical Information System: Status Report 2025 (2026) – International Spectroradiometer Intercomparison 2024 – Final report (2025) – Photovoltaics Geographical Information System: Status Report 2024 (2025) – State-of-the-art assessment of solar energy technologies (2022) – Standards for Photovoltaic energy systems (2022)
2021. – "Fraunhofer ISE entwickelt effizienteste Solarzelle der Welt mit 47,6 Prozent Wirkungsgrad – Fraunhofer ISE". – Huang, Xinjing; Fan, Dejiu; Li, Yongxi; Forrest, Stephen R. (20 July 2022). "Multilevel peel-off patterning of a prototype semitransparent organic photovoltaic module". Joule. 6 (7): 1581–1589. Bibcode:2022Joule…6.1581H. doi:10.1016/j.joule.2022.06.015. ISSN 2542-4785. S2CID 250541919. – "Transparent solar panels for windows hit record 8% efficiency". University of Michigan News. 17 August 2020. Retrieved 23 August 2022. – Li, Yongxi; Guo, Xia; Peng, Zhengxing; Qu, Boning; Yan, Hongping; Ade, Harald; Zhang, Maojie; Forrest, Stephen R. (September 2020). "Color-neutral, semitransparent organic photovoltaics for power window applications". Proceedings of the National Academy of Sciences. 117 (35): 21147–21154. Bibcode:2020PNAS..11721147L. doi:10.1073/pnas.2007799117. ISSN 0027-8424. PMC 7474591. PMID 32817532. – "Researchers fabricate highly transparent solar cell with 2D atomic sheet". Tohoku University. Retrieved 23 August 2022. – He, Xing; Iwamoto, Yuta; Kaneko, Toshiro; Kato, Toshiaki (4 July 2022). "Fabrication of near-invisible solar cell with monolayer WS2". Scientific Reports. 12 (1): 11315. Bibcode:2022NatSR..1211315H. doi:10.1038/s41598-022-15352-x. ISSN 2045-2322. PMC 9253307. PMID 35787666. – Wells, Sarah. "Hair-thin solar cells could turn any surface into a power source". Inverse. Retrieved 18 January 2023. – Saravanapavanantham, Mayuran; Mwaura,
# An iot-based smart lighting system Source: Blog/Web URL: https://patents.google.com/patent/WO2022259107A1/en Author: Date: 2022-06-03 WO2022259107A1 – An iot-based smart lighting system – Google Patents An iot-based smart lighting system Download PDFInfo – Publication number – WO2022259107A1 WO2022259107A1 PCT/IB2022/055192 IB2022055192W WO2022259107A1 WO 2022259107 A1 WO2022259107 A1 WO 2022259107A1 IB 2022055192 W IB2022055192 W IB 2022055192W WO 2022259107 A1 WO2022259107 A1 WO 2022259107A1 – Authority – WO – WIPO (PCT) – Prior art keywords – lighting system – iot – module – smart lighting – based smart – Prior art date – Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) – Ceased Links Classifications – – H—ELECTRICITY – H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR – H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL – H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant – H05B47/10—Controlling the light source – H05B47/105—Controlling the light source in response to determined parameters – H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light – – G—PHYSICS – G16—INFORMATION AND COMMUNIC