1# display\_manager<a name="EN-US_TOPIC_0000001152026155"></a> 2 3- [Introduction](#section11660541593) 4- [Directory Structure](#section19472752217) 5- [Repositories Involved](#section63151229062) 6 7## Introduction<a name="section11660541593"></a> 8 9The Display power manager module of this repository provides the following capabilities: 10 111. Turning on/off the display 122. Adjusting the brightness of the display screen 13 14**Figure 1** Display power management subsystem architecture<a name="fig106301571239"></a> 15 16 17## Directory Structure<a name="section19472752217"></a> 18 19``` 20base/powermgr/display_manager 21├── figures # Architecture figures 22├── frameworks # FrameWork Layer 23│ ├── napi # NAPI code 24│ └── native # Native code 25├── interfaces # APIs 26│ ├── innerkits # Internal APIs 27│ └── kits # External APIs 28├── sa_profile # SA profile 29├── service # Services 30│ ├── native # Native services 31│ └── zidl # zidl APIs 32├── test # Test code 33└── utils # Utilities and common code 34``` 35 36## Repositories Involved<a name="section63151229062"></a> 37 38[Power management subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/power-management.md) 39 40[powermgr_power_manager](https://gitee.com/openharmony/powermgr_power_manager) 41 42**powermgr_display_manager** 43 44[powermgr_battery_manager](https://gitee.com/openharmony/powermgr_battery_manager) 45 46[powermgr_thermal_manager](https://gitee.com/openharmony/powermgr_thermal_manager) 47 48[powermgr_battery_statistics](https://gitee.com/openharmony/powermgr_battery_statistics) 49 50[powermgr_battery_lite](https://gitee.com/openharmony/powermgr_battery_lite) 51 52[powermgr_powermgr_lite](https://gitee.com/openharmony/powermgr_powermgr_lite) 53
