Samsung E40

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

54 来源

The phrase "Samsung E40" is most likely a reference to the Samsung E4 OLED display panel or a typographical error conflating it with the Samsung Galaxy A40 or Redmi K40 (which uses the E4 panel) Reddit Informa. There is no official "E40" model in Samsung's display or product roadmaps as of 2026 Informa.

Product Overview: Samsung E4 OLED Panel

The E4 OLED is a generation of emissive organic materials used in high-performance display panels Informa.

* Key Specs: Features 1,300 nits peak brightness, 120Hz refresh rate support, and 10-bit color depth Reddit.

* Performance: Offers approximately 15% better power efficiency compared to its predecessor (E3) and improved outdoor visibility Reddit.

* Market Role: Originally a flagship standard in 2021 (used in Poco F3, Mi 11), it now serves as the high-value mid-range standard in 2026, widely adopted by Chinese OEMs for "flagship killer" models Reddit Informa.

Market Trends & Insights (2025-2026)

The display market has moved toward newer generations, shifting the E4 panel's positioning in the supply chain:

* Technological Shift: The "innovation phase" has moved to E6 and M12 panels, which utilize Micro Lens Arrays (MLA) and Deuterium blue hosts for 2,000+ nits brightness and higher burn-in resistance Samsung Informa.

* Market Segmentation: Samsung Display continues to sell the E-series to external partners (Xiaomi, Oppo), while reserving the M-series for its own Galaxy S-series and Apple iPhones Samsung Informa.

* B2B Outlook: E4 panels are now highly sought after in the repair and B2B wholesale market due to their mature manufacturing process and high yields, offering a perfect balance of cost and performance for mid-tier devices Samsung.

Potential Clarifications

If you are not referring to the E4 OLED panel, "E40" may relate to:

* Samsung Galaxy A40: A 5.9-inch compact smartphone using Super AMOLED technology Phonearena Wikipedia.

* Error Code 40-E: A common fan or defrost error code for Samsung Bespoke Refrigerators Justanswer Facebook.

* Samsung Odyssey G4 (G40): A popular 240Hz/300Hz IPS gaming monitor series Rtings Samsung.

Based on this market analysis, here are the next steps you might take:

Sources & References

54 sources cited · Verified industry data & reports

Samsung Galaxy A40

Wikipedia

The device has a 5.9" FHD+ (2340 x 1080) 60 Hz Super AMOLED Infinity-U display, with an 19.5:9 aspect ratio. [3] edit It has a dual rear camera setup with a 16 ...

Samsung Galaxy A40 Full Specifications

PhoneArena

Released Apr 10, 2019. Features 5.9-inch display, Dual camera, 3100 mAh battery, 4GB RAM, 64GB storage, ... Type Super AMOLED Resolution ...

Galaxy A40 | Samsung Support IE

Samsung

Galaxy A40. Solutions & Tips, Download Manual, Contact Us. Samsung Support IE.

Samsung Galaxy A40 review

GSMArena.com

Body: 144.4 x 69.2 x 7.9 mm, 140 grams, plastic back and side frame. · Screen: 5.9" Super AMOLED, 1080 x 2340 px resolution; 19.5:9 aspect ratio; ...

Samsung Galaxy A40 (Blue) | Samsung Business Ireland

Samsung

Processor CPU Speed 1.8GHz, 1.6GHz CPU Type Octa-Core Display Size ・ 16M Camera Rear Camera 16.0 MP + 5.0 MP ・ 4 Storage (GB)

Galaxy A40

Samsung Mobile Press

Octa Core (Dual 1.8GHz + Hexa 1.6GHz) · 4 GB RAM, 64 GB Internal Storage + Micro SD slot (up to 512GB) · Dual SIM (3 slot) · 3,100mAh (typical), Fast Charging.