Round and Bar TFT
Round and Bar TFT
Round and bar TFTs are non-rectangular color panels: circular displays for dials, gauges, instrument clusters, and wearables, and tall or wide “bar” (stretched-aspect) panels for instrument strips, appliance fascias, elevator and transit displays, and shelf-edge signage. They use the same active-matrix TFT technology and the same host-side interfaces as our rectangular panels. The difference is the outline of the glass and, on the round parts, a circular-address driver.
Round and bar TFT specifications
Standard ranges for the round and stretched-format families. For a specific diameter, aspect, or bar format, start a custom project.
- Round sizes: 1.3″ to 1.5″, 240×240 (AFR)
- Round panel: IPS, 450 cd/m², circular-address driver
- Round interfaces: MCU, SPI, RGB
- Special sizes: 2.36″ 480×234, 3.2″ 240×400, 4.3″ 480×800 IPS
- Bar / stretched: 6.86″ 480×1280 IPS MIPI and other stretched formats on request
- Panel types: IPS on round and bar; TN on some special sizes
- Touch: custom only on catalog parts
- Part families: AFR (round IPS)
Where it fits
Typical applications: round panels go into wearables, instrument clusters, and appliance or HVAC dials; bar and stretched panels go into elevator and transit strips, industrial status bars, appliance fascias, and shelf-edge retail signage.
How it differs from the other TFT families: the panel outline is the point. These are circular or stretched forms the rectangular families do not cover. For a standard rectangular panel driven by your controller, see standard TFT panels; when direct-sun legibility is the requirement, see sunlight-readable TFT; for an onboard controller and a simple serial interface, see embedded TFT modules; when touch input is the driving requirement, see TFT with touch; and to prototype on an Arduino- or Raspberry Pi-ready board, see dev-board / maker TFT.
The family, round to stretched
Learn more before you buy
Background on non-rectangular panels and how to specify one.
What Is a TFT Display
How an active-matrix TFT panel is built and driven, round or rectangular.
Read the guideCommon Display Sizes and Resolutions
A reference for standard diagonals and resolutions, and where non-standard shapes sit.
Read the guideCover Glass and Surface Treatments
Shaping and finishing the cover glass over a round or stretched panel.
Read the guideCustom vs Off-the-Shelf Displays
When a non-rectangular outline needs a custom part, and what that involves.
Read the guideReady to spec a round or bar TFT?
Tell us the diameter or aspect, the mounting outline, and the interface. The more detail on the shape and where it mounts, the faster we can match a part or quote a custom build.