| Name | BLACK UPPER LEFT TRIANGLE |
| Unicode Version | 1.1 |
| Block（ブロック） | Geometric Shapes（幾何学模様） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ◤ ◤ |
| UTF-8 Encoding | ◤ e297a4 |
| UTF-16 Encoding | ◤ 25e4 |
| UTF-32 Encoding | ◤ 000025e4 |